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September Normals for Walnut, IL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 56 80 68 0.13 1 4 2 55 80 68 0.12 2 4 3 55 79 67 0.12 2 4 4 55 79 67 0.12 2 4 5 54 79 67 0.12 2 3 6 54 79 66 0.11 2 3 7 54 78 66 0.11 2 3 8 53 78 66 0.11 2 3 9 53 78 65 0.1 2 3 10 53 78 65 0.1 2 2 11 52 77 65 0.1 3 2 12 52 77 65 0.1 3 2 13 51 77 64 0.1 3 2 14 51 76 64 0.09 3 2 15 51 76 64 0.09 3 2 16 50 76 63 0.09 3 2 17 50 75 63 0.09 4 1 18 50 75 62 0.09 4 1 19 49 75 62 0.09 4 1 20 49 75 62 0.09 4 1 21 49 74 61 0.08 5 1 22 48 74 61 0.08 5 1 23 48 74 61 0.08 5 1 24 47 73 60 0.08 6 1 25 47 73 60 0.08 6 1 26 47 73 60 0.08 6 1 27 46 72 59 0.08 6 1 28 46 72 59 0.08 7 1 29 45 71 58 0.08 7 0 30 45 71 58 0.08 7 0 Month 51 76 63 2.87 113 57 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