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September Normals for O Brien, FL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 71 92 81 0.22 0 16 2 71 91 81 0.22 0 16 3 71 91 81 0.21 0 16 4 71 91 81 0.21 0 16 5 71 91 81 0.2 0 16 6 71 91 81 0.2 0 16 7 70 91 81 0.2 0 16 8 70 91 81 0.19 0 15 9 70 91 81 0.19 0 15 10 70 91 80 0.19 0 15 11 70 91 80 0.18 0 15 12 70 91 80 0.18 0 15 13 69 90 80 0.18 0 15 14 69 90 80 0.17 0 15 15 69 90 80 0.17 0 14 16 69 90 79 0.17 0 14 17 68 90 79 0.16 0 14 18 68 90 79 0.16 0 14 19 68 89 79 0.16 0 14 20 67 89 78 0.15 0 13 21 67 89 78 0.15 0 13 22 67 89 78 0.15 0 13 23 66 89 78 0.14 0 13 24 66 88 77 0.14 0 12 25 66 88 77 0.14 0 12 26 65 88 77 0.13 0 12 27 65 88 76 0.13 0 11 28 64 87 76 0.13 0 11 29 64 87 75 0.13 0 11 30 63 87 75 0.12 0 10 Month 68 90 79 5.07 0 418 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