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September Normals for Green River, WY

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 42 80 61 0.02 5 1 2 42 80 61 0.02 6 1 3 41 79 60 0.02 6 1 4 41 79 60 0.02 6 1 5 41 78 59 0.02 6 1 6 40 78 59 0.03 7 1 7 40 78 59 0.03 7 1 8 39 77 58 0.03 7 1 9 39 77 58 0.03 8 1 10 39 76 58 0.03 8 1 11 38 76 57 0.03 8 1 12 38 76 57 0.03 9 0 13 38 75 57 0.03 9 0 14 37 75 56 0.03 9 0 15 37 75 56 0.03 9 0 16 37 74 55 0.03 10 0 17 36 74 55 0.03 10 0 18 36 73 55 0.03 10 0 19 36 73 54 0.03 11 0 20 35 73 54 0.03 11 0 21 35 72 54 0.03 11 0 22 35 72 53 0.03 12 0 23 34 72 53 0.03 12 0 24 34 71 53 0.03 12 0 25 34 71 52 0.03 13 0 26 33 71 52 0.03 13 0 27 33 70 52 0.03 13 0 28 33 70 51 0.03 14 0 29 32 70 51 0.03 14 0 30 32 70 51 0.02 14 0 Month 37 75 56 0.84 290 11 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