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September Normals for Serena, IL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 54 77 66 0.14 2 3 2 54 77 66 0.14 2 3 3 54 77 65 0.14 2 3 4 54 77 65 0.14 3 3 5 53 76 65 0.14 3 2 6 53 76 64 0.14 3 2 7 53 76 64 0.14 3 2 8 52 76 64 0.14 3 2 9 52 75 64 0.14 3 2 10 52 75 63 0.13 3 2 11 51 75 63 0.13 4 2 12 51 75 63 0.13 4 1 13 51 74 62 0.13 4 1 14 50 74 62 0.13 4 1 15 50 74 62 0.13 4 1 16 49 73 61 0.13 5 1 17 49 73 61 0.13 5 1 18 49 73 61 0.13 5 1 19 48 72 60 0.12 5 1 20 48 72 60 0.12 6 1 21 48 72 60 0.12 6 1 22 47 71 59 0.12 6 1 23 47 71 59 0.12 7 1 24 46 71 59 0.12 7 1 25 46 70 58 0.12 7 0 26 46 70 58 0.11 7 0 27 45 70 58 0.11 8 0 28 45 69 57 0.11 8 0 29 44 69 57 0.11 9 0 30 44 69 56 0.1 9 0 Month 50 73 61 3.81 147 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