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September Normals for Marion, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 38 74 56 0.05 9 -- 2 38 74 56 0.05 9 -- 3 37 74 56 0.05 10 0 4 37 73 55 0.04 10 0 5 37 73 55 0.04 11 0 6 37 72 54 0.04 11 0 7 36 72 54 0.04 11 0 8 36 71 54 0.04 12 0 9 36 71 53 0.04 12 0 10 35 70 53 0.04 12 0 11 35 70 53 0.04 13 0 12 35 70 52 0.04 13 0 13 34 69 52 0.04 13 0 14 34 69 51 0.04 14 0 15 34 68 51 0.04 14 0 16 33 68 51 0.04 14 0 17 33 67 50 0.04 15 0 18 33 67 50 0.04 15 0 19 32 67 50 0.04 15 0 20 32 66 49 0.04 16 0 21 32 66 49 0.04 16 0 22 32 65 48 0.04 17 0 23 31 65 48 0.04 17 0 24 31 64 48 0.04 17 0 25 31 64 47 0.04 18 0 26 30 64 47 0.04 18 0 27 30 63 47 0.04 18 0 28 30 63 46 0.04 19 0 29 30 62 46 0.04 19 0 30 29 62 46 0.04 19 0 Month 34 68 51 1.23 427 2 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