Currently
55°F
in Fallbrook, California, USA
56°F / 54°F
calm
0.00"
Friday, April 25, 2025 10:21 PM PDT
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Fallbrook, California Weather Summary
September,
2021
| 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: | 102.4°F (39.1°C) | at 2:37PM Sep 21 | 86.0°F (30.0°C) | 86°F (30°C) |
| Low Temperature: | 56.5°F (13.6°C) | at 4:43AM Sep 20 | 62.7°F (17.1°C) | 62°F (17°C) |
| Month Average: | 71.2°F (21.8°C) | for 30 days | ||
| Normal Average: | 71°F (22°C) | |||
| Precipitation: | 0.10" (2.5 mm) | |||
| Date | High | Low | Average | Precipitation |
| September 1 | 78.8°F(26.0°C) | 64.8°F(18.2°C) | 68.9°F(20.5°C) | 0.02"(0.5 mm) |
| September 2 | 82.0°F(27.8°C) | 63.8°F(17.7°C) | 70.7°F(21.5°C) | 0.00"(0.0 mm) |
| September 3 | 83.0°F(28.3°C) | 63.6°F(17.6°C) | 70.0°F(21.1°C) | 0.00"(0.0 mm) |
| September 4 | 101.2°F(38.5°C) | 59.4°F(15.2°C) | 78.1°F(25.6°C) | 0.00"(0.0 mm) |
| September 5 | 93.8°F(34.3°C) | 67.9°F(20.0°C) | 77.9°F(25.5°C) | 0.00"(0.0 mm) |
| September 6 | 86.4°F(30.2°C) | 65.8°F(18.8°C) | 73.3°F(22.9°C) | 0.00"(0.0 mm) |
| September 7 | 87.9°F(31.0°C) | 65.2°F(18.4°C) | 73.0°F(22.8°C) | 0.00"(0.0 mm) |
| September 8 | 91.0°F(32.8°C) | 64.4°F(18.0°C) | 73.8°F(23.2°C) | 0.00"(0.0 mm) |
| September 9 | 91.2°F(32.9°C) | 66.7°F(19.3°C) | 77.1°F(25.1°C) | 0.00"(0.0 mm) |
| September 10 | 91.9°F(33.3°C) | 67.6°F(19.8°C) | 76.3°F(24.6°C) | 0.00"(0.0 mm) |
| September 11 | 95.3°F(35.2°C) | 67.3°F(19.6°C) | 77.1°F(25.1°C) | 0.00"(0.0 mm) |
| September 12 | 93.0°F(33.9°C) | 64.6°F(18.1°C) | 74.7°F(23.7°C) | 0.00"(0.0 mm) |
| September 13 | 93.4°F(34.1°C) | 59.2°F(15.1°C) | 71.4°F(21.9°C) | 0.00"(0.0 mm) |
| September 14 | 86.6°F(30.3°C) | 60.7°F(16.0°C) | 68.8°F(20.5°C) | 0.01"(0.2 mm) |
| September 15 | 82.5°F(28.0°C) | 62.3°F(16.8°C) | 68.6°F(20.3°C) | 0.00"(0.0 mm) |
| September 16 | 80.1°F(26.7°C) | 61.8°F(16.5°C) | 67.3°F(19.6°C) | 0.00"(0.0 mm) |
| September 17 | 79.8°F(26.6°C) | 61.9°F(16.6°C) | 67.5°F(19.7°C) | 0.00"(0.0 mm) |
| September 18 | 80.4°F(26.9°C) | 58.8°F(14.9°C) | 66.9°F(19.4°C) | 0.00"(0.0 mm) |
| September 19 | 80.1°F(26.7°C) | 57.9°F(14.4°C) | 65.5°F(18.6°C) | 0.00"(0.0 mm) |
| September 20 | 85.4°F(29.7°C) | 56.5°F(13.6°C) | 69.2°F(20.7°C) | 0.00"(0.0 mm) |
| September 21 | 102.4°F(39.1°C) | 61.1°F(16.2°C) | 78.8°F(26.0°C) | 0.00"(0.0 mm) |
| September 22 | 100.6°F(38.1°C) | 68.7°F(20.4°C) | 80.8°F(27.1°C) | 0.00"(0.0 mm) |
| September 23 | 87.1°F(30.6°C) | 62.8°F(17.1°C) | 72.2°F(22.3°C) | 0.00"(0.0 mm) |
| September 24 | 82.5°F(28.1°C) | 61.3°F(16.3°C) | 66.4°F(19.1°C) | 0.05"(1.2 mm) |
| September 25 | 78.9°F(26.1°C) | 61.9°F(16.6°C) | 67.8°F(19.9°C) | 0.00"(0.0 mm) |
| September 26 | 71.1°F(21.7°C) | 63.6°F(17.6°C) | 66.1°F(18.9°C) | 0.00"(0.0 mm) |
| September 27 | 68.5°F(20.3°C) | 62.2°F(16.8°C) | 64.8°F(18.2°C) | 0.01"(0.2 mm) |
| September 28 | 76.1°F(24.5°C) | 61.6°F(16.4°C) | 65.9°F(18.8°C) | 0.01"(0.2 mm) |
| September 29 | 77.2°F(25.1°C) | 60.1°F(15.6°C) | 66.8°F(19.4°C) | 0.00"(0.0 mm) |
| September 30 | 91.6°F(33.1°C) | 57.1°F(13.9°C) | 70.6°F(21.5°C) | 0.00"(0.0 mm) |