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September Normals for Trenton, IL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 60 85 73 0.11 0 8 2 60 85 73 0.11 0 8 3 60 85 72 0.11 0 7 4 60 85 72 0.11 0 7 5 59 84 72 0.11 0 7 6 59 84 72 0.1 0 7 7 59 84 71 0.1 0 7 8 59 84 71 0.1 0 6 9 58 83 71 0.1 0 6 10 58 83 71 0.1 1 6 11 58 83 70 0.1 1 6 12 57 83 70 0.1 1 6 13 57 82 70 0.1 1 5 14 57 82 69 0.1 1 5 15 56 82 69 0.1 1 5 16 56 82 69 0.1 1 5 17 56 81 68 0.1 1 5 18 55 81 68 0.1 1 4 19 55 81 68 0.1 2 4 20 55 81 68 0.1 2 4 21 54 80 67 0.1 2 4 22 54 80 67 0.1 2 4 23 54 80 67 0.1 2 4 24 53 79 66 0.09 2 3 25 53 79 66 0.09 2 3 26 52 79 66 0.09 3 3 27 52 78 65 0.09 3 3 28 52 78 65 0.09 3 3 29 51 78 64 0.09 3 3 30 51 77 64 0.09 4 3 Month 56 82 69 2.98 39 151 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