| Portsmouth Rhode Island Weather Almanac |
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| Thursday,
September 9, 2021 |
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| Cloudy,
Moderate Rain & Fog, Mild and Humid |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2021 |
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September 9, 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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73 |
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80 |
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74 |
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-1 |
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91 |
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in |
2016 |
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62 |
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in |
1919 |
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| Minimum
Temperature |
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67 |
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64 |
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59 |
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+8 |
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71 |
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in |
2015 |
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45 |
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in |
1952 |
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| Average Temperature |
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70 |
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72 |
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67 |
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+3 |
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81 |
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in |
2016 |
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56 |
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in |
1938 |
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| Month Avg Max Temperature |
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75.8 |
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79.6 |
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75.3 |
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+0.4 |
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84.7 |
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in |
1983 |
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69.0 |
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in |
1994 |
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| Month Avg
Min Temperature |
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61.7 |
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63.4 |
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60.3 |
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+1.3 |
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68.0 |
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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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69.0 |
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71.7 |
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67.9 |
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+1.1 |
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75.7 |
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in |
1959 |
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62.1 |
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in |
1994 |
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| High
Heat Index |
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75 |
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82 |
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75 |
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-0 |
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100 |
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in |
2016 |
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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 |
1938 |
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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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9 |
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-9 |
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33 |
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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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16 |
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-7 |
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54 |
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in |
1914 |
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0 |
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in |
2020 |
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| CDD |
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5 |
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7 |
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3 |
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+2 |
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16 |
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in |
2016 |
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0 |
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in |
2018 |
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| Month CDD |
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36 |
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60 |
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33 |
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+3 |
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96 |
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in |
1959 |
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0 |
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in |
1893 |
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| Year CDD |
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719 |
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826 |
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570 |
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+149 |
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826 |
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in |
2020 |
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279 |
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in |
1902 |
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| Maximum Dew Point |
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71 |
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70 |
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64 |
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+7 |
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75 |
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in |
2016 |
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46 |
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in |
1956 |
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| Minimum
Dew Point |
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66 |
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62 |
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55 |
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+11 |
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70 |
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in |
1999 |
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36 |
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in |
1980 |
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| Average Dew Point |
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69 |
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66 |
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59 |
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+10 |
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72 |
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in |
2016 |
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44 |
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in |
1956 |
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| Month Avg Max Dew Point |
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66.4 |
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67.9 |
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65.0 |
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+1.4 |
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70.7 |
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in |
1959 |
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52.9 |
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in |
1984 |
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| Month Avg
Min Dew Point |
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57.9 |
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58.1 |
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56.0 |
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+1.9 |
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64.0 |
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in |
1959 |
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43.6 |
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in |
1984 |
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| Month Average Dew Point |
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62.4 |
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63.1 |
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60.4 |
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+2.0 |
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67.3 |
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in |
1959 |
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48.2 |
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in |
1984 |
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| Precipitation |
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1.04 |
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T |
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.12 |
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+.92 |
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2.59 |
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in |
1969 |
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| One Hour |
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.20 |
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T |
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.47 |
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in |
1969 |
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| Hourly Rate |
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2.18 |
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.00 |
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3.03 |
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in |
2008 |
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| Month Precipitation |
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7.57 |
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.39 |
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1.02 |
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+6.55 |
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7.57 |
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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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36.67 |
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24.42 |
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30.30 |
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+6.37 |
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46.33 |
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in |
1998 |
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16.94 |
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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
9, 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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99% |
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98% |
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92% |
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+7% |
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100% |
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in |
2005 |
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69% |
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in |
1980 |
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| Minimum
Humidity |
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88% |
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64% |
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58% |
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+30% |
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90% |
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in |
1999 |
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29% |
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in |
1957 |
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| Average Humidity |
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94% |
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81% |
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75% |
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+18% |
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95% |
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in |
1999 |
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52% |
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in |
1980 |
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| Maximum Barometer |
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29.86 |
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30.33 |
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30.12 |
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-00.26 |
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30.44 |
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in |
1986 |
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29.72 |
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in |
2010 |
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| Minimum
Barometer |
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29.70 |
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30.23 |
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29.93 |
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-00.23 |
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30.23 |
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in |
2020 |
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29.41 |
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in |
1987 |
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| Average Barometer |
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29.78 |
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30.28 |
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30.03 |
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-00.25 |
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30.32 |
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in |
1952 |
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29.62 |
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in |
1969 |
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| Average Wind |
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5.0 |
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2.6 |
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5.5 |
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-0.5 |
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10.8 |
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in |
1969 |
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2.3 |
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in |
1961 |
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| Direction |
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SSW |
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SSE |
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SSW |
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NNE |
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SSW |
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| High Wind Gust |
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20 |
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11 |
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20 |
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+0 |
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45 |
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in |
1949 |
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11 |
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in |
2020 |
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| Direction |
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SW |
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SSE |
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SSW |
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NW |
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SSE |
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| Maximum Water Temp |
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71.1 |
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72.0 |
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70.0 |
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+1.1 |
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74.5 |
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in |
2015 |
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65.7 |
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in |
1997 |
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| Minimum
Water Temp |
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69.1 |
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70.3 |
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67.6 |
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+1.5 |
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72.0 |
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in |
2015 |
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63.9 |
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in |
2004 |
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| Average Water Temp |
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70.1 |
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71.2 |
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68.8 |
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+1.3 |
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73.3 |
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in |
2015 |
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65.0 |
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in |
2017 |
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| Sunrise/ AM Twilight |
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6:18:36 AM |
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5:52:01 AM |
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| Sunset /
PM Twilight |
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7:06:14 PM |
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7:32:49 PM |
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| Length Of Day |
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12:47:38 |
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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 9, 2021 |
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| Climate Weather for September 9 |
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| Weather History For September 9 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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