| Portsmouth Rhode Island Weather Almanac |
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| Friday,
September 15, 2023 |
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| Mostly Cloudy
early, P Cloudy Day to Mostly Cloudy PM, Windy and Much Cooler |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2023 |
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September 15, 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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68 |
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70 |
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72 |
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-4 |
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84 |
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in |
1941 |
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59 |
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in |
1970 |
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| Minimum
Temperature |
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56 |
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58 |
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58 |
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-2 |
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70 |
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in |
2005 |
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40 |
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in |
1895 |
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| Average Temperature |
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62 |
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64 |
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65 |
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-3 |
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76 |
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in |
1931 |
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51 |
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in |
1895 |
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| Month Avg Max Temperature |
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81.2 |
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75.9 |
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74.4 |
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+6.8 |
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82.9 |
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in |
1961 |
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68.9 |
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in |
1917 |
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| Month
Avg Min Temperature |
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65.7 |
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60.7 |
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59.5 |
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+6.2 |
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66.6 |
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in |
1961 |
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52.5 |
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in |
1967 |
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| Month Average
Temperature |
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73.7 |
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68.5 |
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66.9 |
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+6.8 |
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74.9 |
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in |
1961 |
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61.8 |
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in |
1963 |
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| High
Heat Index |
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68 |
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68 |
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72 |
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-4 |
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85 |
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in |
2008 |
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| Low Wind
Chill |
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37 |
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in |
1895 |
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| Heating Degree Days |
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3 |
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1 |
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2 |
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+1 |
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14 |
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in |
1895 |
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0 |
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in |
2021 |
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| Month Heating DD |
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4 |
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3 |
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18 |
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-14 |
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69 |
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in |
1913 |
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0 |
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in |
2015 |
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| Season
Heating DD |
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4 |
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3 |
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18 |
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-14 |
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95 |
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in |
1914 |
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0 |
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in |
2015 |
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| Cooling Degree Days |
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0 |
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0 |
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2 |
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-2 |
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11 |
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in |
1931 |
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0 |
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in |
2023 |
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| Month Cooling DD |
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135 |
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55 |
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47 |
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+88 |
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148 |
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in |
1961 |
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7 |
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in |
1975 |
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| Year Cooling DD |
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707 |
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766 |
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584 |
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+123 |
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837 |
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in |
2020 |
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280 |
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in |
1902 |
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| Maximum Dew Point |
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59 |
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60 |
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63 |
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-4 |
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74 |
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in |
1989 |
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43 |
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in |
1975 |
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| Minimum
Dew Point |
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52 |
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45 |
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53 |
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-1 |
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67 |
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in |
2005 |
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34 |
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in |
1983 |
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| Average Dew Point |
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56 |
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53 |
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58 |
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-2 |
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70 |
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in |
2005 |
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40 |
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in |
1983 |
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| Month Avg Max Dew Point |
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72.5 |
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65.9 |
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64.4 |
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+8.1 |
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72.5 |
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in |
2023 |
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54.9 |
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in |
1967 |
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| Month
Avg Min Dew Point |
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63.9 |
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56.6 |
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55.1 |
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+8.9 |
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63.9 |
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in |
2023 |
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43.7 |
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in |
1967 |
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| Month Average Dew Point |
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68.4 |
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61.6 |
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59.7 |
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+8.7 |
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68.4 |
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in |
2023 |
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49.3 |
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in |
1967 |
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| Precipitation |
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.00 |
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.00 |
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.14 |
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-.14 |
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2.26 |
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in |
1966 |
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| One Hour
Rain |
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.00 |
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.00 |
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.78 |
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in |
2005 |
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| Half
Hour Rain |
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.00 |
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.00 |
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.55 |
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in |
2005 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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3.00 |
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in |
2005 |
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| Month Precipitation |
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2.28 |
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3.23 |
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1.77 |
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+.51 |
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7.60 |
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in |
2021 |
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T |
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in |
1983 |
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| Year Precipitation |
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37.90 |
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28.65 |
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31.05 |
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+6.85 |
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46.34 |
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in |
1998 |
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17.43 |
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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 15, 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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88% |
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87% |
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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 |
1962 |
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| Minimum
Humidity |
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66% |
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43% |
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61% |
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+5% |
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91% |
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in |
2006 |
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34% |
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in |
1983 |
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| Average Humidity |
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77% |
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65% |
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77% |
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-0% |
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95% |
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in |
2006 |
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54% |
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in |
1962 |
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| Maximum Barometer |
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30.06 |
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30.15 |
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30.12 |
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-00.06 |
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30.52 |
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in |
1975 |
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29.71 |
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in |
1990 |
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| Minimum
Barometer |
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29.80 |
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29.96 |
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29.90 |
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-00.10 |
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30.36 |
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in |
1963 |
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29.19 |
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in |
1966 |
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| Average Barometer |
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29.93 |
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30.06 |
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30.01 |
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-00.08 |
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30.41 |
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in |
1963 |
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29.49 |
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in |
1966 |
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| Average
Wind |
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15.0 |
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8.7 |
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6.3 |
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+8.7 |
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15.0 |
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in |
2023 |
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2.3 |
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in |
2018 |
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| Direction |
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N |
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NW |
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N |
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N |
SSE |
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| High
Wind Gust |
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33 |
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29 |
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21 |
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+12 |
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45 |
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in |
1902 |
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10 |
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in |
2004 |
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| Direction |
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NNE |
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NW |
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SSW |
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NW |
SE |
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| Maximum Water Temp |
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71.1 |
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72.5 |
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69.1 |
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+2.0 |
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72.5 |
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in |
2021 |
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65.3 |
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in |
2006 |
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| Minimum
Water Temp |
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69.6 |
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70.3 |
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67.1 |
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+2.6 |
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70.3 |
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in |
2021 |
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63.3 |
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in |
2001 |
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| Average Water Temp |
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70.4 |
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71.4 |
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68.1 |
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+2.3 |
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71.4 |
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in |
2021 |
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64.4 |
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in |
2001 |
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| Sunrise/ AM Twilight |
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6:25:07 AM |
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5:58:18 AM |
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| Sunset /
PM Twilight |
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6:54:44 PM |
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7:22:17 PM |
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| Length Of Day |
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12:29:37 |
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| Special Conditions |
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None |
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| Comments |
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Hurricane Lee passing to the SE of Natucket |
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| Hour-by-Hour Weather For September 15, 2023 |
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| Climate Weather for September 15 |
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| Weather History For September 15 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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