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September Normals for Hopkinton, IA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 54 78 66 0.14 2 3 2 53 78 65 0.14 3 3 3 53 77 65 0.13 3 3 4 53 77 65 0.13 3 3 5 53 77 65 0.13 3 3 6 52 76 64 0.13 3 2 7 52 76 64 0.12 3 2 8 51 76 64 0.12 3 2 9 51 75 63 0.12 4 2 10 51 75 63 0.12 4 2 11 50 75 63 0.12 4 2 12 50 75 62 0.11 4 2 13 50 74 62 0.11 4 1 14 49 74 62 0.11 5 1 15 49 74 61 0.11 5 1 16 48 73 61 0.11 5 1 17 48 73 61 0.11 5 1 18 48 73 60 0.1 5 1 19 47 72 60 0.1 6 1 20 47 72 60 0.1 6 1 21 47 72 59 0.1 6 1 22 46 72 59 0.1 7 1 23 46 71 59 0.1 7 0 24 46 71 58 0.1 7 0 25 45 71 58 0.1 7 0 26 45 70 58 0.09 8 0 27 45 70 57 0.09 8 0 28 44 70 57 0.09 8 0 29 44 69 57 0.09 9 0 30 43 69 56 0.09 9 0 Month 49 74 61 3.31 156 39 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