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September Normals for Bonair, IA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 52 75 64 0.15 3 2 2 52 75 64 0.14 4 2 3 52 75 63 0.14 4 2 4 51 75 63 0.14 4 2 5 51 74 63 0.14 4 2 6 51 74 62 0.13 4 2 7 50 74 62 0.13 5 2 8 50 73 62 0.13 5 1 9 49 73 61 0.13 5 1 10 49 73 61 0.13 5 1 11 49 72 61 0.12 5 1 12 48 72 60 0.12 6 1 13 48 72 60 0.12 6 1 14 48 72 60 0.12 6 1 15 47 71 59 0.12 6 1 16 47 71 59 0.12 7 1 17 46 71 58 0.11 7 1 18 46 70 58 0.11 7 1 19 46 70 58 0.11 8 0 20 45 70 57 0.11 8 0 21 45 69 57 0.11 8 0 22 45 69 57 0.1 9 0 23 44 68 56 0.1 9 0 24 44 68 56 0.1 9 0 25 44 68 56 0.1 9 0 26 43 67 55 0.1 10 0 27 43 67 55 0.1 10 0 28 43 67 55 0.09 10 0 29 42 66 54 0.09 11 0 30 42 66 54 0.09 11 0 Month 47 71 59 3.5 205 25 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