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September Normals for Sidney, MT

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 50 81 65 0.05 4 4 2 49 80 65 0.05 4 4 3 49 80 64 0.05 4 4 4 48 79 64 0.05 5 3 5 48 79 63 0.05 5 3 6 47 78 63 0.05 5 3 7 47 78 62 0.05 5 3 8 47 77 62 0.05 5 2 9 46 77 61 0.05 6 2 10 46 76 61 0.05 6 2 11 45 76 61 0.05 6 2 12 45 75 60 0.05 6 2 13 45 75 60 0.05 7 1 14 44 74 59 0.05 7 1 15 44 74 59 0.05 7 1 16 44 73 59 0.05 7 1 17 43 73 58 0.05 8 1 18 43 73 58 0.05 8 1 19 43 72 57 0.05 8 1 20 42 72 57 0.05 8 1 21 42 71 57 0.05 9 0 22 42 71 56 0.05 9 0 23 41 71 56 0.05 9 0 24 41 70 56 0.05 10 0 25 41 70 55 0.05 10 0 26 40 70 55 0.05 10 0 27 40 69 55 0.05 10 0 28 40 69 54 0.05 11 0 29 39 69 54 0.05 11 0 30 39 68 54 0.05 11 0 Month 44 74 59 1.5 221 42 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