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September Normals for Killingly, CT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 53 76 65 0.13 2 2 2 53 76 64 0.13 2 2 3 52 76 64 0.13 2 1 4 52 75 64 0.13 3 1 5 52 75 63 0.13 3 1 6 52 75 63 0.13 3 1 7 51 74 63 0.13 3 1 8 51 74 63 0.13 3 1 9 51 74 62 0.13 4 1 10 50 73 62 0.13 4 1 11 50 73 62 0.13 4 0 12 50 73 61 0.13 4 0 13 49 72 61 0.13 5 0 14 49 72 61 0.14 5 0 15 48 72 60 0.14 5 0 16 48 72 60 0.14 5 0 17 48 71 59 0.14 6 0 18 47 71 59 0.14 6 0 19 47 71 59 0.14 6 0 20 47 70 58 0.14 7 0 21 46 70 58 0.14 7 0 22 46 70 58 0.14 7 0 23 45 69 57 0.13 8 0 24 45 69 57 0.13 8 0 25 45 68 57 0.13 8 0 26 44 68 56 0.13 9 0 27 44 68 56 0.13 9 0 28 43 67 55 0.13 9 0 29 43 67 55 0.13 10 0 30 42 67 55 0.13 10 0 Month 48 72 60 3.99 167 12 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