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September Normals for Copper Harbor, MI

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 53 70 62 0.1 4 1 2 53 70 62 0.1 4 1 3 53 70 61 0.1 5 1 4 53 70 61 0.1 5 1 5 52 69 61 0.1 5 1 6 52 69 60 0.1 5 1 7 52 69 60 0.11 6 1 8 51 68 60 0.11 6 0 9 51 68 59 0.11 6 0 10 51 68 59 0.11 6 0 11 50 67 59 0.11 6 0 12 50 67 59 0.11 7 0 13 50 67 58 0.11 7 0 14 50 66 58 0.11 7 0 15 49 66 58 0.11 8 0 16 49 66 57 0.11 8 0 17 49 65 57 0.11 8 0 18 48 65 57 0.11 8 0 19 48 65 56 0.11 9 0 20 48 64 56 0.11 9 0 21 47 64 56 0.1 9 0 22 47 63 55 0.1 10 0 23 47 63 55 0.1 10 0 24 46 63 55 0.1 10 0 25 46 62 54 0.1 11 0 26 46 62 54 0.1 11 0 27 45 62 54 0.1 11 0 28 45 61 53 0.1 12 0 29 45 61 53 0.1 12 0 30 44 61 53 0.1 12 0 Month 49 66 57 3.14 237 7 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