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September Normals for Darby, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 45 79 62 0.04 5 2 2 45 78 62 0.04 5 2 3 45 78 61 0.04 5 2 4 44 78 61 0.04 6 2 5 44 77 61 0.04 6 1 6 44 77 60 0.04 6 1 7 43 76 60 0.04 6 1 8 43 76 59 0.04 7 1 9 43 76 59 0.04 7 1 10 42 75 59 0.04 7 1 11 42 75 58 0.04 7 1 12 42 74 58 0.04 8 1 13 42 74 58 0.04 8 1 14 41 74 58 0.04 8 1 15 41 73 57 0.04 8 0 16 41 73 57 0.04 8 0 17 41 73 57 0.04 9 0 18 40 72 56 0.04 9 0 19 40 72 56 0.04 9 0 20 40 71 56 0.04 9 0 21 40 71 55 0.04 10 0 22 39 71 55 0.04 10 0 23 39 71 55 0.04 10 0 24 39 70 55 0.03 10 0 25 39 70 54 0.03 11 0 26 38 70 54 0.03 11 0 27 38 69 54 0.03 11 0 28 38 69 53 0.03 12 0 29 38 69 53 0.03 12 0 30 37 68 53 0.03 12 0 Month 41 73 57 1.13 252 18 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