| Portsmouth Rhode Island Weather Almanac |
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| Friday,
September 1, 2023 |
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| Clear, Cooler,
Very Pleasant |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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September 1, 2023 |
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Record |
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Record |
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| Observed Daily Data |
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2023 |
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2022 |
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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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74 |
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82 |
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77 |
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-3 |
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91 |
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in |
2010 |
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65 |
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in |
1912 |
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| Minimum
Temperature |
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54 |
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63 |
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62 |
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-8 |
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73 |
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in |
1959 |
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48 |
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in |
1975 |
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| Average Temperature |
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64 |
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73 |
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69 |
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-5 |
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82 |
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in |
1898 |
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57 |
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in |
1912 |
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| Month Avg Max Temperature |
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74.0 |
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82.0 |
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77.0 |
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-3.0 |
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91.0 |
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in |
2010 |
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65.0 |
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in |
1912 |
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| Month
Avg Min Temperature |
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54.0 |
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63.0 |
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62.0 |
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-8.0 |
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73.0 |
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in |
1959 |
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48.0 |
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in |
1975 |
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| Month Average
Temperature |
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64.0 |
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73.0 |
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69.0 |
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-5.0 |
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82.0 |
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in |
1898 |
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57.0 |
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in |
1912 |
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| High
Heat Index |
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74 |
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81 |
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78 |
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-4 |
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98 |
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in |
2010 |
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| Low Wind
Chill |
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46 |
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in |
1975 |
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| Heating Degree Days |
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1 |
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0 |
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1 |
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+0 |
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8 |
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in |
1912 |
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0 |
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in |
2022 |
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| Month Heating DD |
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1 |
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0 |
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1 |
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+0 |
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8 |
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in |
1912 |
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0 |
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in |
2022 |
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| Season
Heating DD |
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1 |
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0 |
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1 |
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+0 |
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42 |
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in |
1905 |
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0 |
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in |
2022 |
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| Cooling Degree Days |
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0 |
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8 |
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4 |
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-4 |
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17 |
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in |
1898 |
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0 |
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in |
2023 |
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| Month Cooling DD |
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0 |
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8 |
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5 |
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-5 |
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17 |
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in |
1898 |
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0 |
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in |
2023 |
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| Year Cooling DD |
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572 |
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719 |
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542 |
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+30 |
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770 |
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in |
2020 |
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260 |
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in |
1902 |
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| Maximum Dew Point |
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59 |
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61 |
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66 |
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-7 |
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75 |
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in |
2014 |
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45 |
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in |
1970 |
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| Minimum
Dew Point |
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49 |
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50 |
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57 |
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-8 |
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72 |
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in |
1959 |
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34 |
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in |
1991 |
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| Average Dew Point |
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54 |
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56 |
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61 |
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-7 |
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73 |
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in |
2014 |
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41 |
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in |
1991 |
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| Month Avg Max Dew Point |
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59.0 |
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61.0 |
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66.0 |
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-7.0 |
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75.0 |
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in |
2014 |
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45.0 |
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in |
1970 |
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| Month
Avg Min Dew Point |
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49.0 |
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50.0 |
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57.0 |
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-8.0 |
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72.0 |
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in |
1959 |
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34.0 |
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in |
1991 |
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| Month Average Dew Point |
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54.0 |
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56.0 |
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61.0 |
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-7.0 |
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73.0 |
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in |
2014 |
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40.5 |
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in |
1991 |
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| Precipitation |
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.00 |
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.00 |
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.11 |
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-.11 |
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2.15 |
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in |
1982 |
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| One Hour
Rain |
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.00 |
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.00 |
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.94 |
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in |
1949 |
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| Half
Hour Rain |
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.00 |
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.00 |
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.54 |
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in |
2021 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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3.92 |
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in |
2021 |
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| Month Precipitation |
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.00 |
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.00 |
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.11 |
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-.11 |
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2.15 |
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in |
1982 |
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.00 |
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in |
2023 |
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| Year Precipitation |
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35.62 |
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25.42 |
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29.39 |
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+6.23 |
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45.30 |
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in |
1998 |
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16.54 |
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in |
1957 |
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| Snow |
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| Snow Depth |
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| Month Snow |
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| Season Snow |
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0.0 |
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0.0 |
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0.0 |
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+0.0 |
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0.0 |
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in |
1996 |
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0.0 |
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in |
1998 |
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September 1, 2023 |
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|
Record |
Record |
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| Observed Daily Data |
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2023 |
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2022 |
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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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87% |
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92% |
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+1% |
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100% |
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in |
2003 |
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63% |
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in |
1953 |
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| Minimum
Humidity |
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49% |
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40% |
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56% |
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-7% |
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93% |
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in |
2013 |
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29% |
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in |
1963 |
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| Average Humidity |
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71% |
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64% |
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74% |
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-3% |
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96% |
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in |
2013 |
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48% |
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in |
1953 |
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| Maximum Barometer |
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30.28 |
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30.06 |
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30.11 |
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+00.17 |
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30.50 |
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in |
2002 |
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29.82 |
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in |
1995 |
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| Minimum
Barometer |
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30.11 |
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29.81 |
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29.92 |
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+00.19 |
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30.29 |
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in |
2018 |
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29.57 |
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in |
2005 |
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| Average Barometer |
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30.20 |
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29.94 |
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30.02 |
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+00.18 |
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30.38 |
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in |
2002 |
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29.73 |
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in |
2005 |
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| Average
Wind |
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5.1 |
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7.0 |
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5.8 |
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-0.7 |
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15.4 |
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in |
1965 |
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1.9 |
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in |
1966 |
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| Direction |
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NNW |
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WNW |
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WNW |
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S |
SE |
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| High
Wind Gust |
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16 |
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22 |
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20 |
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-4 |
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39 |
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in |
1965 |
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10 |
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in |
1966 |
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| Direction |
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N |
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WNW |
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SSE |
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S |
S |
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| Maximum Water Temp |
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73.8 |
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75.4 |
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70.9 |
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+2.9 |
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75.6 |
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in |
2010 |
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66.2 |
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in |
2003 |
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| Minimum
Water Temp |
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72.5 |
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73.6 |
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68.6 |
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+3.9 |
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73.6 |
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in |
2021 |
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65.4 |
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in |
2003 |
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| Average Water Temp |
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73.2 |
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74.5 |
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69.8 |
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+3.4 |
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74.5 |
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in |
2021 |
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65.8 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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6:10:55 AM |
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5:43:32 AM |
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| Sunset /
PM Twilight |
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7:18:30 PM |
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7:46:42 PM |
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| Length Of Day |
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13:07:35 |
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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 1, 2023 |
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| Climate Weather for September 1 |
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| Weather History For September 1 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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