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September Normals for Forsyth, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 51 82 66 0.04 3 5 2 50 82 66 0.04 3 4 3 50 81 66 0.04 3 4 4 49 81 65 0.04 4 4 5 49 80 65 0.04 4 4 6 49 80 64 0.05 4 3 7 48 79 64 0.05 4 3 8 48 79 63 0.05 5 3 9 47 79 63 0.05 5 3 10 47 78 63 0.05 5 2 11 46 78 62 0.05 5 2 12 46 77 62 0.05 5 2 13 46 77 61 0.05 6 2 14 45 76 61 0.05 6 2 15 45 76 61 0.05 6 2 16 45 76 60 0.05 6 1 17 44 75 60 0.05 7 1 18 44 75 59 0.05 7 1 19 43 74 59 0.05 7 1 20 43 74 59 0.05 7 1 21 43 74 58 0.05 8 1 22 42 73 58 0.05 8 1 23 42 73 58 0.05 8 1 24 42 73 57 0.05 8 1 25 41 72 57 0.05 9 0 26 41 72 56 0.05 9 0 27 41 72 56 0.05 9 0 28 40 71 56 0.05 9 0 29 40 71 55 0.05 10 0 30 40 70 55 0.05 10 0 Month 45 76 61 1.45 190 54 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