Currently
61°F
in Fallbrook, California, USA
62°F / 56°F
10 mph S
0.00"
Sunday, January 11, 2026 8:42 AM PST
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Fallbrook, California Weather Summary
September,
2025
| 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: | 97.4°F (36.3°C) | at 2:59PM Sep 2 | 84.7°F (29.3°C) | 85°F (30°C) |
| Low Temperature: | 52.8°F (11.6°C) | at 4:44AM Sep 11 | 63.1°F (17.3°C) | 62°F (17°C) |
| Month Average: | 71.3°F (21.8°C) | for 30 days | ||
| Normal Average: | 71°F (22°C) | |||
| Precipitation: | 0.35" (8.8 mm) | |||
| Date | High | Low | Average | Precipitation |
| September 1 | 88.0°F(31.1°C) | 62.0°F(16.7°C) | 74.2°F(23.5°C) | 0.00"(0.0 mm) |
| September 2 | 97.4°F(36.3°C) | 64.9°F(18.3°C) | 75.3°F(24.1°C) | 0.00"(0.0 mm) |
| September 3 | 92.8°F(33.8°C) | 66.9°F(19.4°C) | 76.1°F(24.5°C) | 0.00"(0.0 mm) |
| September 4 | 88.9°F(31.6°C) | 64.2°F(17.9°C) | 72.4°F(22.4°C) | 0.00"(0.0 mm) |
| September 5 | 85.9°F(29.9°C) | 62.0°F(16.7°C) | 70.4°F(21.3°C) | 0.00"(0.0 mm) |
| September 6 | 86.6°F(30.3°C) | 61.8°F(16.5°C) | 71.8°F(22.1°C) | 0.00"(0.0 mm) |
| September 7 | 91.1°F(32.8°C) | 62.5°F(16.9°C) | 74.6°F(23.7°C) | 0.00"(0.0 mm) |
| September 8 | 88.5°F(31.4°C) | 61.9°F(16.6°C) | 72.7°F(22.6°C) | 0.00"(0.0 mm) |
| September 9 | 82.8°F(28.2°C) | 60.9°F(16.0°C) | 68.9°F(20.5°C) | 0.00"(0.0 mm) |
| September 10 | 79.0°F(26.1°C) | 62.4°F(16.9°C) | 69.6°F(20.9°C) | 0.00"(0.0 mm) |
| September 11 | 80.5°F(26.9°C) | 52.8°F(11.6°C) | 68.3°F(20.2°C) | 0.00"(0.0 mm) |
| September 12 | 80.4°F(26.9°C) | 61.1°F(16.2°C) | 68.7°F(20.4°C) | 0.00"(0.0 mm) |
| September 13 | 79.8°F(26.6°C) | 59.7°F(15.4°C) | 67.4°F(19.7°C) | 0.00"(0.0 mm) |
| September 14 | 82.4°F(28.0°C) | 60.3°F(15.7°C) | 68.9°F(20.5°C) | 0.00"(0.0 mm) |
| September 15 | 87.5°F(30.8°C) | 62.1°F(16.7°C) | 72.8°F(22.7°C) | 0.00"(0.0 mm) |
| September 16 | 95.0°F(35.0°C) | 64.9°F(18.3°C) | 76.8°F(24.9°C) | 0.00"(0.0 mm) |
| September 17 | 91.0°F(32.8°C) | 67.2°F(19.6°C) | 73.9°F(23.3°C) | 0.00"(0.0 mm) |
| September 18 | 84.5°F(29.2°C) | 66.2°F(19.0°C) | 74.3°F(23.5°C) | 0.35"(8.8 mm) |
| September 19 | 85.7°F(29.8°C) | 65.8°F(18.8°C) | 73.0°F(22.8°C) | 0.00"(0.0 mm) |
| September 20 | 84.6°F(29.2°C) | 64.8°F(18.2°C) | 70.6°F(21.5°C) | 0.00"(0.0 mm) |
| September 21 | 74.2°F(23.4°C) | 62.8°F(17.1°C) | 67.6°F(19.8°C) | 0.00"(0.0 mm) |
| September 22 | 86.8°F(30.4°C) | 66.0°F(18.9°C) | 71.8°F(22.1°C) | 0.00"(0.0 mm) |
| September 23 | 91.4°F(33.0°C) | 64.7°F(18.1°C) | 74.1°F(23.4°C) | 0.00"(0.0 mm) |
| September 24 | 85.9°F(29.9°C) | 65.1°F(18.4°C) | 72.4°F(22.4°C) | 0.00"(0.0 mm) |
| September 25 | 80.3°F(26.8°C) | 64.0°F(17.8°C) | 68.9°F(20.5°C) | 0.00"(0.0 mm) |
| September 26 | 74.6°F(23.7°C) | 64.9°F(18.3°C) | 68.2°F(20.1°C) | 0.00"(0.0 mm) |
| September 27 | 77.2°F(25.1°C) | 65.4°F(18.6°C) | 68.8°F(20.5°C) | 0.00"(0.0 mm) |
| September 28 | 80.0°F(26.7°C) | 63.9°F(17.7°C) | 70.1°F(21.2°C) | 0.00"(0.0 mm) |
| September 29 | 79.8°F(26.5°C) | 59.8°F(15.5°C) | 68.4°F(20.2°C) | 0.00"(0.0 mm) |
| September 30 | 79.9°F(26.6°C) | 61.4°F(16.3°C) | 68.6°F(20.3°C) | 0.00"(0.0 mm) |