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September Normals for Sioux Center, IA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 55 82 68 0.1 1 5 2 54 81 68 0.1 2 4 3 54 81 68 0.1 2 4 4 54 81 67 0.1 2 4 5 53 81 67 0.09 2 4 6 53 81 67 0.09 2 4 7 53 80 66 0.09 2 4 8 52 80 66 0.09 2 3 9 52 80 66 0.09 2 3 10 51 79 65 0.09 2 3 11 51 79 65 0.09 3 3 12 51 79 65 0.09 3 3 13 50 79 65 0.09 3 2 14 50 78 64 0.09 3 2 15 50 78 64 0.09 3 2 16 49 78 64 0.08 4 2 17 49 78 63 0.08 4 2 18 48 77 63 0.08 4 2 19 48 77 63 0.08 4 2 20 48 77 62 0.08 4 2 21 47 76 62 0.08 5 1 22 47 76 61 0.08 5 1 23 47 76 61 0.08 5 1 24 46 75 61 0.08 5 1 25 46 75 60 0.08 6 1 26 46 75 60 0.08 6 1 27 45 74 60 0.08 6 1 28 45 74 59 0.08 6 1 29 44 74 59 0.08 7 1 30 44 73 59 0.08 7 1 Month 49 78 64 2.59 112 70 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