| Portsmouth Rhode Island Weather Almanac |
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| Tuesday,
September 7, 2021 |
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| Clear, Breezy
Afernoon and Comfortable |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 7, 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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77 |
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79 |
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75 |
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+2 |
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93 |
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in |
1983 |
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63 |
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in |
1940 |
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| Minimum
Temperature |
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60 |
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63 |
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60 |
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+0 |
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71 |
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in |
1999 |
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43 |
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in |
1962 |
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| Average Temperature |
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69 |
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71 |
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67 |
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+2 |
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82 |
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in |
1983 |
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57 |
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in |
2000 |
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| Month Avg Max Temperature |
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75.6 |
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79.3 |
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75.7 |
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-0.1 |
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85.6 |
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in |
1898 |
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67.6 |
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in |
1994 |
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| Month Avg
Min Temperature |
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60.4 |
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63.4 |
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60.7 |
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-0.3 |
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70.4 |
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in |
1898 |
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51.4 |
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in |
1893 |
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| Month Average Temperature |
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68.3 |
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71.6 |
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68.1 |
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+0.1 |
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78.3 |
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in |
1898 |
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61.0 |
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in |
1994 |
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| High Heat
Index |
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78 |
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80 |
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76 |
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+2 |
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96 |
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in |
1983 |
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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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8 |
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in |
2000 |
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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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7 |
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-7 |
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32 |
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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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14 |
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-5 |
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48 |
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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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4 |
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6 |
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3 |
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+1 |
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17 |
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in |
1983 |
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0 |
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in |
2019 |
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| Month CDD |
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23 |
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46 |
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27 |
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-4 |
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93 |
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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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706 |
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812 |
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564 |
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+142 |
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812 |
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in |
2020 |
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273 |
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in |
1902 |
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| Maximum Dew Point |
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64 |
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65 |
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65 |
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-1 |
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75 |
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in |
1999 |
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47 |
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in |
1984 |
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| Minimum
Dew Point |
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55 |
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61 |
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55 |
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+0 |
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70 |
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in |
1999 |
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38 |
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in |
1984 |
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| Average Dew Point |
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60 |
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63 |
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60 |
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+0 |
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73 |
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in |
1999 |
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43 |
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in |
1984 |
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| Month Avg Max Dew Point |
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65.1 |
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67.3 |
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65.3 |
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-0.1 |
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72.6 |
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in |
2014 |
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53.3 |
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in |
1984 |
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| Month Avg
Min Dew Point |
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56.0 |
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57.0 |
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56.3 |
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-0.3 |
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64.9 |
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in |
1973 |
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43.4 |
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in |
1984 |
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| Month Average Dew Point |
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60.9 |
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62.3 |
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60.7 |
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+0.1 |
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68.6 |
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in |
1973 |
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48.4 |
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in |
1984 |
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| Precipitation |
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.00 |
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.00 |
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.12 |
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-.12 |
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1.36 |
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in |
1996 |
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| One Hour |
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.00 |
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.00 |
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.42 |
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in |
1974 |
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| Hourly Rate |
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.00 |
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.00 |
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1.99 |
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in |
2017 |
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| Month Precipitation |
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6.53 |
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.39 |
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.78 |
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+5.75 |
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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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30.06 |
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+5.57 |
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45.84 |
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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
7, 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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93% |
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95% |
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92% |
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+1% |
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100% |
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in |
2017 |
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71% |
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in |
1952 |
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| Minimum
Humidity |
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55% |
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62% |
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58% |
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-3% |
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94% |
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in |
2011 |
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30% |
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in |
1980 |
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| Average Humidity |
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74% |
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79% |
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75% |
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-1% |
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96% |
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in |
2011 |
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58% |
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in |
1967 |
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| Maximum Barometer |
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29.97 |
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30.18 |
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30.10 |
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-00.13 |
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30.45 |
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in |
1984 |
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29.75 |
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in |
1951 |
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| Minimum
Barometer |
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29.85 |
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30.07 |
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29.90 |
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-00.05 |
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30.22 |
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in |
1984 |
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29.39 |
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in |
2008 |
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| Average Barometer |
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29.91 |
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30.13 |
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30.00 |
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-00.09 |
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30.34 |
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in |
1984 |
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29.64 |
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in |
1979 |
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| Average Wind |
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6.3 |
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4.5 |
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5.9 |
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+0.4 |
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13.3 |
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in |
2019 |
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0.9 |
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in |
1989 |
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| Direction |
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SSW |
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S |
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SSW |
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N |
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SSE |
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| High Wind Gust |
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25 |
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21 |
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21 |
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+4 |
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48 |
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in |
1958 |
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10 |
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in |
1992 |
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| Direction |
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SSW |
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SW |
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SSW |
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SW |
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SSE |
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| Maximum Water Temp |
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71.2 |
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71.6 |
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70.3 |
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+0.9 |
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74.0 |
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in |
2018 |
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66.2 |
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in |
2017 |
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| Minimum
Water Temp |
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69.1 |
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69.4 |
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67.8 |
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+1.3 |
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71.7 |
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in |
2018 |
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64.5 |
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in |
2017 |
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| Average Water Temp |
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70.2 |
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70.5 |
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69.1 |
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+1.1 |
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72.9 |
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in |
2018 |
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65.4 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:16:35 AM |
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5:49:55 AM |
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| Sunset /
PM Twilight |
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7:09:39 PM |
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7:36:19 PM |
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| Length Of Day |
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12:53:04 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For September 7, 2021 |
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| Climate Weather for September 7 |
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| Weather History For September 7 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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