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September Normals for Chelsea, OK

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 65 90 78 0.14 0 13 2 65 90 77 0.15 0 13 3 65 89 77 0.15 0 12 4 64 89 77 0.16 0 12 5 64 89 76 0.16 0 12 6 64 88 76 0.17 1 12 7 64 88 76 0.17 1 11 8 63 88 75 0.17 1 11 9 63 87 75 0.17 1 11 10 63 87 75 0.18 1 10 11 62 87 75 0.18 1 10 12 62 86 74 0.18 1 10 13 62 86 74 0.18 1 10 14 61 86 74 0.18 1 9 15 61 85 73 0.18 1 9 16 61 85 73 0.18 1 9 17 60 85 73 0.18 1 9 18 60 84 72 0.18 1 8 19 60 84 72 0.18 1 8 20 59 84 72 0.18 1 8 21 59 83 71 0.18 1 7 22 59 83 71 0.18 1 7 23 58 83 71 0.17 1 7 24 58 82 70 0.17 1 6 25 57 82 70 0.17 1 6 26 57 82 69 0.17 1 6 27 57 81 69 0.16 1 6 28 56 81 69 0.16 2 5 29 56 81 68 0.15 2 5 30 56 81 68 0.15 2 5 Month 61 85 73 5.08 28 267 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