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September Normals for Princeton, MI

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 45 72 59 0.13 7 1 2 45 72 58 0.13 7 1 3 45 72 58 0.13 7 1 4 44 71 58 0.13 8 0 5 44 71 58 0.13 8 0 6 44 70 57 0.13 8 0 7 44 70 57 0.13 8 0 8 43 70 57 0.13 9 0 9 43 69 56 0.13 9 0 10 43 69 56 0.13 9 0 11 43 69 56 0.13 10 0 12 42 68 55 0.13 10 0 13 42 68 55 0.13 10 0 14 42 68 55 0.13 10 0 15 41 67 54 0.13 11 0 16 41 67 54 0.13 11 0 17 41 67 54 0.13 11 0 18 41 66 53 0.13 12 0 19 40 66 53 0.13 12 0 20 40 66 53 0.13 12 0 21 40 65 52 0.13 13 0 22 39 65 52 0.13 13 0 23 39 64 52 0.13 13 0 24 39 64 51 0.13 13 0 25 38 64 51 0.13 14 0 26 38 63 51 0.13 14 0 27 38 63 51 0.13 14 0 28 38 63 50 0.13 15 0 29 37 62 50 0.12 15 0 30 37 62 50 0.12 15 0 Month 41 67 54 3.88 328 3 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