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September Normals for Charlestown, NH

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 49 75 62 0.13 4 1 2 49 75 62 0.13 4 1 3 49 75 62 0.13 4 1 4 49 74 62 0.13 4 1 5 48 74 61 0.13 4 1 6 48 74 61 0.13 5 0 7 48 73 61 0.13 5 0 8 47 73 60 0.13 5 0 9 47 73 60 0.13 6 0 10 47 72 60 0.13 6 0 11 46 72 59 0.13 6 0 12 46 72 59 0.13 6 0 13 46 71 59 0.13 7 0 14 45 71 58 0.13 7 0 15 45 71 58 0.13 7 0 16 45 70 57 0.13 8 0 17 44 70 57 0.13 8 0 18 44 69 57 0.13 8 0 19 43 69 56 0.13 9 0 20 43 69 56 0.13 9 0 21 42 68 55 0.13 9 0 22 42 68 55 0.13 10 0 23 42 68 55 0.12 10 0 24 41 67 54 0.12 11 0 25 41 67 54 0.12 11 0 26 40 67 53 0.12 12 0 27 40 66 53 0.12 12 0 28 39 66 52 0.12 12 0 29 39 65 52 0.12 13 0 30 38 65 52 0.12 13 0 Month 44 70 57 3.82 235 5 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather