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September Normals for Portland, CT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 55 77 66 0.16 1 3 2 55 77 66 0.16 2 2 3 54 77 66 0.16 2 2 4 54 76 65 0.16 2 2 5 54 76 65 0.16 2 2 6 54 76 65 0.16 2 2 7 53 76 65 0.16 2 2 8 53 75 64 0.16 2 2 9 53 75 64 0.16 2 1 10 52 75 64 0.17 3 1 11 52 74 63 0.17 3 1 12 52 74 63 0.16 3 1 13 51 74 63 0.16 3 1 14 51 74 62 0.16 4 1 15 51 73 62 0.16 4 1 16 50 73 62 0.16 4 1 17 50 73 61 0.16 4 1 18 50 72 61 0.16 5 0 19 49 72 61 0.16 5 0 20 49 72 60 0.16 5 0 21 48 71 60 0.16 5 0 22 48 71 59 0.16 6 0 23 48 71 59 0.16 6 0 24 47 70 59 0.16 6 0 25 47 70 58 0.16 7 0 26 46 69 58 0.16 7 0 27 46 69 57 0.16 8 0 28 45 69 57 0.16 8 0 29 45 68 57 0.15 8 0 30 44 68 56 0.15 9 0 Month 50 73 62 4.8 130 26 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