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September Normals for Hays, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 45 75 60 0.04 7 2 2 45 75 60 0.04 8 2 3 44 74 59 0.04 8 2 4 44 74 59 0.05 8 2 5 44 73 59 0.05 8 2 6 43 73 58 0.05 9 2 7 43 73 58 0.05 9 2 8 43 72 57 0.05 9 2 9 42 72 57 0.05 9 1 10 42 71 57 0.05 10 1 11 42 71 56 0.05 10 1 12 41 71 56 0.05 10 1 13 41 70 56 0.05 10 1 14 41 70 55 0.05 11 1 15 40 70 55 0.05 11 1 16 40 69 55 0.05 11 1 17 40 69 54 0.05 11 1 18 39 68 54 0.05 12 1 19 39 68 54 0.05 12 1 20 39 68 53 0.05 12 0 21 38 67 53 0.05 12 0 22 38 67 53 0.05 13 0 23 38 67 52 0.05 13 0 24 38 67 52 0.05 13 0 25 37 66 52 0.05 13 0 26 37 66 52 0.04 14 0 27 37 66 51 0.04 14 0 28 37 66 51 0.04 14 0 29 36 65 51 0.04 14 0 30 36 65 51 0.04 14 0 Month 40 70 55 1.42 329 27 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