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September Normals for Chester, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 44 75 59 0.06 8 2 2 43 74 59 0.06 8 2 3 43 74 58 0.06 8 2 4 43 73 58 0.06 9 2 5 42 73 58 0.06 9 1 6 42 72 57 0.06 9 1 7 42 72 57 0.05 10 1 8 41 71 56 0.05 10 1 9 41 71 56 0.05 10 1 10 41 71 56 0.05 10 1 11 40 70 55 0.05 11 1 12 40 70 55 0.05 11 1 13 40 69 55 0.05 11 1 14 39 69 54 0.05 11 1 15 39 69 54 0.05 12 1 16 39 68 54 0.05 12 0 17 39 68 53 0.05 12 0 18 38 68 53 0.05 12 0 19 38 67 53 0.05 13 0 20 38 67 52 0.05 13 0 21 37 66 52 0.04 13 0 22 37 66 52 0.04 13 0 23 37 66 51 0.04 14 0 24 37 65 51 0.04 14 0 25 37 65 51 0.04 14 0 26 36 65 51 0.04 14 0 27 36 65 50 0.04 15 0 28 36 64 50 0.04 15 0 29 36 64 50 0.04 15 0 30 35 64 50 0.04 15 0 Month 39 69 54 1.46 351 19 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