Currently
54°F
in Fallbrook, California, USA
56°F / 54°F
calm
0.00"
Friday, April 25, 2025 8:25 PM PDT
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Fallbrook, California Weather Summary
September,
2017
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Extremes | Average | Normal | ||
| High Temperature: | 104.1°F (40.0°C) | at 12:13PM Sep 1 | 83.9°F (28.8°C) | 86°F (30°C) |
| Low Temperature: | 54.4°F (12.4°C) | at 6:27AM Sep 24 | 62.2°F (16.8°C) | 62°F (17°C) |
| Month Average: | 70.9°F (21.6°C) | for 30 days | ||
| Normal Average: | 71°F (22°C) | |||
| Precipitation: | 0.03" (0.7 mm) | |||
| Date | High | Low | Average | Precipitation |
| September 1 | 104.1°F(40.0°C) | 70.0°F(21.1°C) | 85.8°F(29.9°C) | 0.00"(0.0 mm) |
| September 2 | 101.9°F(38.9°C) | 71.1°F(21.7°C) | 85.6°F(29.8°C) | 0.01"(0.2 mm) |
| September 3 | 88.7°F(31.5°C) | 72.1°F(22.3°C) | 82.2°F(27.9°C) | 0.00"(0.0 mm) |
| September 4 | 75.5°F(24.2°C) | 66.8°F(19.3°C) | 71.4°F(21.9°C) | 0.00"(0.0 mm) |
| September 5 | 84.9°F(29.4°C) | 63.7°F(17.6°C) | 72.9°F(22.7°C) | 0.00"(0.0 mm) |
| September 6 | 87.1°F(30.6°C) | 65.6°F(18.7°C) | 72.8°F(22.7°C) | 0.00"(0.0 mm) |
| September 7 | 85.7°F(29.8°C) | 61.1°F(16.2°C) | 71.6°F(22.0°C) | 0.01"(0.2 mm) |
| September 8 | 83.2°F(28.5°C) | 64.7°F(18.2°C) | 70.3°F(21.3°C) | 0.00"(0.0 mm) |
| September 9 | 87.1°F(30.6°C) | 64.1°F(17.8°C) | 71.9°F(22.2°C) | 0.00"(0.0 mm) |
| September 10 | 90.1°F(32.3°C) | 63.5°F(17.5°C) | 73.8°F(23.2°C) | 0.00"(0.0 mm) |
| September 11 | 97.3°F(36.3°C) | 66.2°F(19.0°C) | 76.1°F(24.5°C) | 0.00"(0.0 mm) |
| September 12 | 84.5°F(29.2°C) | 65.7°F(18.7°C) | 71.6°F(22.0°C) | 0.00"(0.0 mm) |
| September 13 | 78.4°F(25.8°C) | 62.3°F(16.8°C) | 67.6°F(19.8°C) | 0.00"(0.0 mm) |
| September 14 | 77.6°F(25.4°C) | 60.9°F(16.1°C) | 66.7°F(19.3°C) | 0.00"(0.0 mm) |
| September 15 | 77.2°F(25.1°C) | 61.0°F(16.1°C) | 67.7°F(19.9°C) | 0.00"(0.0 mm) |
| September 16 | 77.8°F(25.4°C) | 63.6°F(17.6°C) | 68.1°F(20.1°C) | 0.00"(0.0 mm) |
| September 17 | 77.4°F(25.2°C) | 62.0°F(16.7°C) | 67.5°F(19.7°C) | 0.00"(0.0 mm) |
| September 18 | 79.0°F(26.1°C) | 61.3°F(16.3°C) | 67.0°F(19.4°C) | 0.00"(0.0 mm) |
| September 19 | 79.2°F(26.2°C) | 63.2°F(17.3°C) | 68.3°F(20.2°C) | 0.00"(0.0 mm) |
| September 20 | 76.7°F(24.8°C) | 64.9°F(18.3°C) | 68.4°F(20.2°C) | 0.00"(0.0 mm) |
| September 21 | 71.0°F(21.7°C) | 57.8°F(14.3°C) | 65.0°F(18.4°C) | 0.00"(0.0 mm) |
| September 22 | 74.7°F(23.7°C) | 55.4°F(13.0°C) | 63.4°F(17.5°C) | 0.00"(0.0 mm) |
| September 23 | 73.9°F(23.3°C) | 55.2°F(12.9°C) | 63.1°F(17.3°C) | 0.00"(0.0 mm) |
| September 24 | 85.6°F(29.8°C) | 54.4°F(12.4°C) | 68.6°F(20.3°C) | 0.00"(0.0 mm) |
| September 25 | 87.3°F(30.7°C) | 61.9°F(16.6°C) | 71.8°F(22.1°C) | 0.00"(0.0 mm) |
| September 26 | 84.9°F(29.4°C) | 60.4°F(15.8°C) | 70.4°F(21.3°C) | 0.00"(0.0 mm) |
| September 27 | 85.6°F(29.8°C) | 57.4°F(14.1°C) | 69.8°F(21.0°C) | 0.00"(0.0 mm) |
| September 28 | 89.5°F(32.0°C) | 56.7°F(13.7°C) | 70.5°F(21.4°C) | 0.00"(0.0 mm) |
| September 29 | 88.4°F(31.3°C) | 58.6°F(14.8°C) | 71.1°F(21.7°C) | 0.00"(0.0 mm) |
| September 30 | 82.4°F(28.0°C) | 55.5°F(13.1°C) | 66.9°F(19.4°C) | 0.01"(0.2 mm) |