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September Normals for Fort Jefferson National Monu, FL

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 79 89 84 0.19 0 19 2 79 89 84 0.19 0 19 3 79 89 84 0.19 0 19 4 79 89 84 0.19 0 19 5 79 89 84 0.19 0 19 6 79 89 84 0.19 0 19 7 79 89 84 0.19 0 19 8 79 89 84 0.19 0 19 9 79 89 84 0.19 0 19 10 79 89 84 0.19 0 19 11 79 89 84 0.19 0 19 12 79 89 84 0.19 0 19 13 79 89 84 0.19 0 19 14 79 88 84 0.18 0 19 15 79 88 84 0.18 0 18 16 79 88 84 0.18 0 18 17 78 88 83 0.18 0 18 18 78 88 83 0.18 0 18 19 78 88 83 0.18 0 18 20 78 88 83 0.18 0 18 21 78 88 83 0.18 0 18 22 78 88 83 0.18 0 18 23 78 88 83 0.17 0 18 24 78 87 83 0.17 0 18 25 78 87 83 0.17 0 18 26 78 87 83 0.17 0 18 27 78 87 82 0.17 0 17 28 78 87 82 0.17 0 17 29 78 87 82 0.17 0 17 30 77 87 82 0.17 0 17 Month 79 88 83 5.45 0 550 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