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September Normals for Cool, IA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 60 81 70 0.13 1 6 2 59 80 70 0.13 1 6 3 59 80 69 0.12 1 6 4 59 80 69 0.12 1 6 5 58 79 69 0.12 2 5 6 58 79 69 0.12 2 5 7 57 79 68 0.12 2 5 8 57 78 68 0.11 2 5 9 57 78 67 0.11 2 5 10 56 78 67 0.11 2 4 11 56 77 67 0.11 2 4 12 56 77 66 0.11 3 4 13 55 77 66 0.11 3 4 14 55 77 66 0.11 3 4 15 55 76 65 0.1 3 4 16 54 76 65 0.1 3 3 17 54 76 65 0.1 3 3 18 53 75 64 0.1 4 3 19 53 75 64 0.1 4 3 20 53 74 64 0.1 4 3 21 52 74 63 0.1 4 3 22 52 74 63 0.1 5 3 23 51 73 62 0.09 5 2 24 51 73 62 0.09 5 2 25 51 73 62 0.09 5 2 26 50 72 61 0.09 6 2 27 50 72 61 0.09 6 2 28 50 72 61 0.09 6 2 29 49 71 60 0.09 6 2 30 49 71 60 0.09 7 2 Month 54 76 65 3.15 103 110 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