| Portsmouth Rhode Island Weather Almanac |
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| Wednesday,
September 22, 2021 |
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| Mostly Cloudy
early, Cloudy, Light Rain & Fog Day to Partly Cloudy PM, Warm & Muggy |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 22, 2021 |
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Record |
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Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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72 |
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65 |
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70 |
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+2 |
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88 |
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in |
1980 |
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54 |
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in |
1904 |
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| Minimum
Temperature |
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67 |
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45 |
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56 |
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+11 |
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70 |
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in |
1989 |
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36 |
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in |
1904 |
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| Average Temperature |
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70 |
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55 |
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63 |
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+7 |
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78 |
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in |
1980 |
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45 |
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in |
1904 |
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| Month Avg Max Temperature |
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75.5 |
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74.0 |
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73.3 |
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+2.2 |
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80.7 |
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in |
1983 |
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68.5 |
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in |
1963 |
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| Month Avg
Min Temperature |
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61.1 |
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57.0 |
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58.5 |
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+2.5 |
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63.4 |
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in |
1961 |
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52.7 |
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in |
1984 |
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| Month Average Temperature |
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68.6 |
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65.8 |
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65.9 |
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+2.7 |
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71.6 |
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in |
1961 |
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61.5 |
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in |
1963 |
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| High Heat
Index |
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75 |
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61 |
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71 |
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+4 |
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89 |
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in |
1980 |
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| Low Wind Chill |
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32 |
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in |
1904 |
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| HDD |
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0 |
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10 |
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3 |
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-3 |
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20 |
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in |
1904 |
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0 |
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in |
2021 |
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| Month HDD |
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2 |
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56 |
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38 |
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-36 |
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106 |
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in |
1956 |
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2 |
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in |
2021 |
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| Season HDD |
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11 |
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56 |
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45 |
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-34 |
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137 |
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in |
1956 |
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4 |
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in |
2015 |
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| CDD |
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5 |
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0 |
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1 |
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+4 |
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13 |
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in |
1980 |
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0 |
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in |
2020 |
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| Month CDD |
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81 |
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74 |
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58 |
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+23 |
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160 |
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in |
1961 |
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7 |
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in |
1893 |
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| Year CDD |
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764 |
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840 |
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595 |
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+169 |
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840 |
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in |
2020 |
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282 |
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in |
1902 |
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| Maximum Dew Point |
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70 |
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41 |
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61 |
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+9 |
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71 |
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in |
2011 |
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41 |
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in |
2020 |
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| Minimum
Dew Point |
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66 |
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32 |
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51 |
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+15 |
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68 |
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in |
1989 |
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32 |
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in |
2020 |
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| Average Dew Point |
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68 |
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37 |
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56 |
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+12 |
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70 |
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in |
1989 |
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37 |
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in |
2020 |
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| Month Avg Max Dew Point |
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67.2 |
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61.4 |
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63.6 |
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+3.5 |
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68.5 |
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in |
2018 |
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54.8 |
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in |
1984 |
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| Month Avg
Min Dew Point |
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57.5 |
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49.8 |
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54.0 |
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+3.5 |
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59.8 |
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in |
2018 |
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44.0 |
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in |
1984 |
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| Month Average Dew Point |
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62.5 |
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55.8 |
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58.8 |
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+3.8 |
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64.4 |
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in |
2018 |
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49.4 |
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in |
1984 |
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| Precipitation |
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.09 |
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.00 |
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.13 |
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-.04 |
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1.86 |
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in |
1979 |
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| One Hour |
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.04 |
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.00 |
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.58 |
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in |
1990 |
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| Hourly Rate |
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.38 |
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.00 |
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3.13 |
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in |
2011 |
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| Month Precipitation |
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8.65 |
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.66 |
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2.71 |
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+5.94 |
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9.58 |
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in |
1960 |
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.13 |
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in |
1946 |
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| Year Precipitation |
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37.75 |
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24.69 |
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31.99 |
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+5.76 |
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48.02 |
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in |
1998 |
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17.53 |
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in |
1957 |
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| Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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| Snow Depth |
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#N/A |
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#N/A |
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#N/A |
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in |
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| Month Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
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| Season Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
#N/A |
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September
22, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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98% |
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78% |
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95% |
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+3% |
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100% |
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in |
2017 |
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78% |
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in |
1955 |
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| Minimum
Humidity |
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88% |
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30% |
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61% |
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+27% |
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91% |
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in |
2011 |
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30% |
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in |
2020 |
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| Average Humidity |
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93% |
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54% |
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78% |
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+15% |
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95% |
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in |
2011 |
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56% |
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in |
1955 |
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| Maximum Barometer |
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30.28 |
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30.34 |
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30.11 |
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+00.17 |
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30.53 |
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in |
1929 |
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29.73 |
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in |
1954 |
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| Minimum
Barometer |
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30.09 |
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29.76 |
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29.88 |
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+00.21 |
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30.29 |
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in |
1962 |
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29.17 |
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in |
1966 |
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| Average Barometer |
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30.19 |
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30.05 |
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30.00 |
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+00.19 |
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30.35 |
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in |
2008 |
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29.51 |
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in |
1966 |
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| Average Wind |
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6.3 |
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9.3 |
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6.7 |
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-0.4 |
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20.0 |
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in |
2017 |
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2.0 |
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in |
2016 |
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| Direction |
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SSE |
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NNW |
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SSW |
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NNE |
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N |
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| High Wind Gust |
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19 |
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27 |
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22 |
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-3 |
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43 |
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in |
2017 |
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11 |
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in |
2016 |
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| Direction |
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S |
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NNW |
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SW |
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NNE |
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SE |
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| Maximum Water Temp |
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71.2 |
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64.6 |
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67.9 |
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+3.3 |
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71.2 |
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in |
2021 |
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64.6 |
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in |
2020 |
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| Minimum
Water Temp |
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70.3 |
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63.1 |
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66.0 |
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+4.3 |
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70.3 |
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in |
2021 |
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63.1 |
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in |
2020 |
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| Average Water Temp |
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70.8 |
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63.9 |
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67.0 |
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+3.8 |
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70.8 |
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in |
2021 |
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63.9 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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6:31:48 AM |
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6:05:35 AM |
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| Sunset /
PM Twilight |
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6:43:48 PM |
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7:10:02 PM |
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| Length Of Day |
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12:12:00 |
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| Special Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For September 22, 2021 |
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| Climate Weather for September 22 |
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| Weather History For September 22 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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