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September Normals for Westby, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 48 78 63 0.05 6 3 2 47 77 62 0.05 6 3 3 47 77 62 0.05 6 3 4 46 76 61 0.05 6 3 5 46 76 61 0.05 7 2 6 46 75 60 0.05 7 2 7 45 75 60 0.05 7 2 8 45 74 60 0.05 7 2 9 44 74 59 0.05 8 2 10 44 74 59 0.05 8 2 11 44 73 58 0.05 8 1 12 43 73 58 0.05 8 1 13 43 72 57 0.05 9 1 14 42 72 57 0.05 9 1 15 42 71 57 0.05 9 1 16 42 71 56 0.05 9 1 17 41 71 56 0.05 10 1 18 41 70 56 0.05 10 1 19 41 70 55 0.04 10 1 20 40 70 55 0.04 10 0 21 40 69 55 0.04 11 0 22 40 69 54 0.04 11 0 23 39 68 54 0.04 11 0 24 39 68 54 0.04 12 0 25 39 68 53 0.04 12 0 26 38 67 53 0.04 12 0 27 38 67 53 0.04 12 0 28 38 67 52 0.04 13 0 29 38 67 52 0.04 13 0 30 37 66 52 0.03 13 0 Month 42 72 57 1.37 280 33 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