| Portsmouth Rhode Island Weather Almanac |
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| Monday,
September 6, 2021 |
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| Cloudy. Very
Light Rain & Fog early, Partly Cloudy Day to Clear PM, Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 6, 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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81 |
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80 |
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75 |
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+6 |
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87 |
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in |
1983 |
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58 |
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in |
1963 |
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| Minimum
Temperature |
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65 |
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62 |
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60 |
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+5 |
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72 |
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in |
2018 |
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47 |
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in |
1902 |
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| Average Temperature |
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73 |
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71 |
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68 |
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+5 |
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79 |
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in |
2018 |
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56 |
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in |
1963 |
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| Month Avg Max Temperature |
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75.3 |
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79.3 |
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75.8 |
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-0.5 |
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86.2 |
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in |
1898 |
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66.8 |
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in |
1994 |
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| Month Avg
Min Temperature |
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60.5 |
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63.5 |
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60.8 |
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-0.3 |
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70.5 |
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in |
1898 |
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51.5 |
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in |
1893 |
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| Month Average Temperature |
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68.2 |
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71.7 |
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68.3 |
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-0.2 |
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78.7 |
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in |
1898 |
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60.8 |
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in |
1994 |
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| High Heat
Index |
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83 |
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80 |
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76 |
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+7 |
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95 |
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in |
2018 |
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| Low Wind Chill |
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#N/A |
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in |
#N/A |
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| HDD |
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0 |
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0 |
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1 |
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-1 |
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9 |
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in |
1963 |
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0 |
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in |
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| Month HDD |
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0 |
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0 |
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6 |
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-6 |
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29 |
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in |
1994 |
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0 |
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in |
2021 |
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| Season HDD |
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9 |
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0 |
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13 |
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-4 |
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45 |
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in |
1994 |
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0 |
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in |
2020 |
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| CDD |
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8 |
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6 |
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3 |
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+5 |
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14 |
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in |
2018 |
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0 |
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in |
2019 |
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| Month CDD |
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19 |
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40 |
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24 |
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-5 |
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82 |
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in |
1898 |
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0 |
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in |
1976 |
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| Year CDD |
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702 |
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806 |
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561 |
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+141 |
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806 |
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in |
2020 |
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272 |
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in |
1902 |
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| Maximum Dew Point |
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71 |
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67 |
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65 |
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+6 |
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77 |
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in |
2018 |
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45 |
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in |
1984 |
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| Minimum
Dew Point |
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59 |
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58 |
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56 |
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+3 |
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71 |
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in |
1953 |
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38 |
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in |
1984 |
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| Average Dew Point |
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65 |
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63 |
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60 |
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+5 |
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74 |
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in |
2018 |
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42 |
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in |
1984 |
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| Month Avg Max Dew Point |
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65.3 |
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67.7 |
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65.3 |
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+0.0 |
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73.2 |
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in |
1973 |
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54.3 |
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in |
1984 |
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| Month Avg
Min Dew Point |
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56.2 |
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56.3 |
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56.5 |
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-0.3 |
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67.0 |
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in |
1973 |
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44.3 |
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in |
1984 |
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| Month Average Dew Point |
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61.0 |
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62.2 |
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60.8 |
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+0.2 |
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70.1 |
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in |
1973 |
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49.3 |
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in |
1984 |
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| Precipitation |
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.01 |
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.00 |
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.11 |
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-.10 |
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1.71 |
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in |
2011 |
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| One Hour |
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.01 |
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.00 |
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.84 |
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in |
1979 |
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| Hourly Rate |
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.00 |
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.00 |
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5.14 |
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in |
2008 |
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| Month Precipitation |
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6.53 |
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.39 |
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.66 |
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+5.87 |
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6.53 |
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in |
2021 |
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.00 |
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in |
2015 |
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| Year Precipitation |
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35.63 |
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24.42 |
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29.94 |
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+5.69 |
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45.30 |
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in |
1998 |
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16.55 |
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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
6, 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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91% |
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93% |
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+5% |
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100% |
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in |
2017 |
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73% |
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in |
1970 |
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| Minimum
Humidity |
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63% |
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52% |
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59% |
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+4% |
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93% |
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in |
2008 |
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36% |
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in |
2002 |
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| Average Humidity |
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81% |
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72% |
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76% |
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+4% |
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96% |
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in |
2008 |
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58% |
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in |
1984 |
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| Maximum Barometer |
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29.85 |
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30.19 |
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30.12 |
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-00.27 |
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30.57 |
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in |
1992 |
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29.85 |
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in |
2021 |
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| Minimum
Barometer |
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29.71 |
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30.15 |
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29.91 |
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-00.20 |
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30.40 |
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in |
2000 |
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29.24 |
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in |
1979 |
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| Average Barometer |
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29.78 |
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30.17 |
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30.02 |
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-00.24 |
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30.45 |
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in |
2000 |
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29.61 |
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in |
1979 |
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| Average Wind |
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6.2 |
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6.7 |
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5.9 |
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+0.3 |
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13.5 |
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in |
1979 |
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1.3 |
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in |
1965 |
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| Direction |
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SSW |
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SW |
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SSW |
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S |
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SSE |
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| High Wind Gust |
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25 |
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26 |
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20 |
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+5 |
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46 |
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in |
1979 |
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10 |
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in |
1989 |
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| Direction |
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WSW |
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SW |
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SE |
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SSW |
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NE |
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| Maximum Water Temp |
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71.8 |
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71.2 |
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70.3 |
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+1.5 |
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74.2 |
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in |
2018 |
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66.9 |
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in |
2017 |
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| Minimum
Water Temp |
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69.1 |
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69.3 |
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67.7 |
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+1.4 |
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71.9 |
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in |
2018 |
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64.9 |
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in |
2000 |
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| Average Water Temp |
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70.5 |
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70.3 |
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69.0 |
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+1.4 |
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73.1 |
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in |
2018 |
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66.1 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:15:34 AM |
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5:48:51 AM |
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| Sunset /
PM Twilight |
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7:11:20 PM |
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7:38:03 PM |
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| Length Of Day |
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12:55:46 |
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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 6, 2021 |
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| Climate Weather for September 6 |
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| Weather History For September 6 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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