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September Normals for Greybull, WY

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 46 80 63 0.02 4 3 2 46 80 63 0.02 5 3 3 46 79 62 0.02 5 2 4 45 79 62 0.02 5 2 5 45 78 61 0.02 6 2 6 44 78 61 0.02 6 2 7 44 77 60 0.02 6 2 8 43 77 60 0.02 6 1 9 43 76 60 0.02 7 1 10 42 76 59 0.02 7 1 11 42 75 59 0.02 7 1 12 42 75 58 0.02 8 1 13 41 74 58 0.02 8 1 14 41 74 58 0.02 8 1 15 41 74 57 0.02 9 1 16 40 73 57 0.03 9 1 17 40 73 56 0.03 9 0 18 39 72 56 0.03 9 0 19 39 72 56 0.03 10 0 20 39 72 55 0.03 10 0 21 38 71 55 0.03 10 0 22 38 71 54 0.03 11 0 23 38 70 54 0.03 11 0 24 37 70 54 0.03 11 0 25 37 70 53 0.03 12 0 26 37 69 53 0.03 12 0 27 37 69 53 0.03 12 0 28 36 68 52 0.03 13 0 29 36 68 52 0.03 13 0 30 36 68 52 0.03 13 0 Month 41 74 57 0.75 262 25 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