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September Normals for Diona, IL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 61 82 71 0.1 0 7 2 60 82 71 0.1 0 7 3 60 82 71 0.1 1 6 4 60 81 71 0.1 1 6 5 59 81 70 0.1 1 6 6 59 81 70 0.1 1 6 7 59 81 70 0.1 1 6 8 58 81 70 0.11 1 5 9 58 80 69 0.11 1 5 10 58 80 69 0.11 1 5 11 58 80 69 0.11 1 5 12 57 79 68 0.11 1 5 13 57 79 68 0.11 1 4 14 57 79 68 0.1 1 4 15 56 79 67 0.1 2 4 16 56 78 67 0.1 2 4 17 55 78 67 0.1 2 4 18 55 78 67 0.1 2 4 19 55 77 66 0.1 2 3 20 54 77 66 0.1 2 3 21 54 77 65 0.1 3 3 22 54 76 65 0.1 3 3 23 53 76 65 0.1 3 3 24 53 76 64 0.1 3 3 25 53 75 64 0.1 3 2 26 52 75 64 0.1 4 2 27 52 75 63 0.1 4 2 28 52 74 63 0.1 4 2 29 51 74 63 0.1 5 2 30 51 73 62 0.1 5 2 Month 56 78 67 3.06 61 123 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