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September Normals for Harlem, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 45 80 62 0.04 6 3 2 45 79 62 0.04 6 3 3 44 79 61 0.04 6 3 4 44 78 61 0.04 7 3 5 43 78 60 0.04 7 2 6 43 77 60 0.05 7 2 7 42 77 59 0.05 7 2 8 42 76 59 0.05 8 2 9 42 76 59 0.05 8 2 10 41 75 58 0.05 8 1 11 41 75 58 0.05 9 1 12 40 74 57 0.05 9 1 13 40 74 57 0.05 9 1 14 39 74 57 0.05 9 1 15 39 73 56 0.05 10 1 16 39 73 56 0.05 10 1 17 38 72 55 0.05 10 0 18 38 72 55 0.05 10 0 19 38 72 55 0.05 11 0 20 37 71 54 0.05 11 0 21 37 71 54 0.05 11 0 22 37 70 54 0.04 12 0 23 36 70 53 0.04 12 0 24 36 70 53 0.04 12 0 25 36 69 53 0.04 12 0 26 35 69 52 0.04 13 0 27 35 69 52 0.04 13 0 28 35 68 52 0.04 13 0 29 35 68 51 0.04 14 0 30 34 68 51 0.03 14 0 Month 39 73 56 1.35 294 29 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