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September Normals for Williston, SC

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 66 90 78 0.16 0 13 2 66 90 78 0.16 0 13 3 66 90 78 0.16 0 13 4 66 89 78 0.16 0 12 5 66 89 78 0.16 0 12 6 65 89 77 0.16 0 12 7 65 89 77 0.15 0 12 8 65 89 77 0.15 0 12 9 65 89 77 0.15 0 11 10 65 88 76 0.15 0 11 11 64 88 76 0.15 0 11 12 64 88 76 0.15 0 11 13 64 88 76 0.15 0 11 14 63 88 75 0.14 0 10 15 63 87 75 0.14 0 10 16 63 87 75 0.14 0 10 17 62 87 75 0.14 0 10 18 62 87 74 0.14 0 9 19 62 86 74 0.14 0 9 20 61 86 74 0.13 0 9 21 61 86 73 0.13 0 9 22 60 86 73 0.13 0 8 23 60 85 73 0.13 0 8 24 60 85 72 0.13 0 8 25 59 85 72 0.13 0 8 26 59 84 72 0.13 0 7 27 58 84 71 0.12 0 7 28 58 84 71 0.12 1 7 29 57 84 70 0.12 1 6 30 57 83 70 0.12 1 6 Month 62 87 75 4.24 3 295 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