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September Normals for Guilford, CT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 57 77 67 0.15 1 3 2 57 77 67 0.15 1 3 3 57 77 67 0.15 1 3 4 56 76 66 0.15 1 3 5 56 76 66 0.15 1 2 6 56 76 66 0.16 1 2 7 55 75 65 0.16 2 2 8 55 75 65 0.16 2 2 9 55 75 65 0.16 2 2 10 54 74 64 0.16 2 2 11 54 74 64 0.16 2 1 12 54 74 64 0.16 2 1 13 53 74 63 0.16 3 1 14 53 73 63 0.16 3 1 15 53 73 63 0.16 3 1 16 52 73 63 0.16 3 1 17 52 72 62 0.16 4 1 18 52 72 62 0.16 4 1 19 51 72 61 0.16 4 1 20 51 71 61 0.16 4 0 21 50 71 61 0.16 5 0 22 50 71 60 0.15 5 0 23 50 70 60 0.15 5 0 24 49 70 60 0.15 6 0 25 49 70 59 0.15 6 0 26 48 69 59 0.15 6 0 27 48 69 59 0.15 7 0 28 48 69 58 0.15 7 0 29 47 68 58 0.15 7 0 30 47 68 57 0.15 8 0 Month 52 73 63 4.66 108 33 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