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September Normals for Otis Air Force Base, MA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 59 77 68 0.15 1 3 2 58 77 67 0.15 1 3 3 58 76 67 0.15 1 3 4 58 76 67 0.15 1 3 5 57 76 67 0.15 1 3 6 57 76 66 0.15 1 3 7 57 75 66 0.15 1 2 8 56 75 66 0.15 1 2 9 56 75 66 0.16 2 2 10 56 74 65 0.16 2 2 11 55 74 65 0.16 2 2 12 55 74 65 0.16 2 2 13 55 74 64 0.16 2 1 14 55 73 64 0.16 2 1 15 54 73 64 0.16 3 1 16 54 73 63 0.16 3 1 17 54 72 63 0.16 3 1 18 53 72 63 0.16 3 1 19 53 72 62 0.16 3 1 20 52 72 62 0.16 4 1 21 52 71 62 0.16 4 1 22 52 71 61 0.15 4 1 23 51 71 61 0.15 4 1 24 51 70 61 0.15 5 0 25 51 70 60 0.15 5 0 26 50 70 60 0.15 5 0 27 50 69 60 0.15 6 0 28 50 69 59 0.15 6 0 29 49 69 59 0.15 6 0 30 49 68 59 0.15 7 0 Month 54 73 63 4.63 91 41 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