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San Bernardino, California Weather Summary
September,
2012
| 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: | 103.5°F (39.7°C) | at 3:24PM Sep 14 | 95.4°F (35.2°C) | 92°F (34°C) |
| Low Temperature: | 60.0°F (15.6°C) | at 7:05AM Sep 2 | 67.9°F (20.0°C) | 66°F (19°C) |
| Month Average: | 81.2°F (27.3°C) | for 30 days | ||
| Normal Average: | 78°F (26°C) | |||
| Precipitation: | 0.00" (0.0 mm) | |||
| Date | High | Low | Average | Precipitation |
| September 1 | 95.3°F(35.1°C) | 65.4°F(18.6°C) | 80.7°F(27.0°C) | 0.00"(0.0 mm) |
| September 2 | 97.0°F(36.1°C) | 60.0°F(15.6°C) | 79.3°F(26.3°C) | 0.00"(0.0 mm) |
| September 3 | 100.0°F(37.8°C) | 65.6°F(18.7°C) | 82.5°F(28.1°C) | 0.00"(0.0 mm) |
| September 4 | 97.7°F(36.5°C) | 70.1°F(21.2°C) | 84.6°F(29.2°C) | 0.00"(0.0 mm) |
| September 5 | 88.9°F(31.6°C) | 74.8°F(23.8°C) | 80.4°F(26.9°C) | 0.00"(0.0 mm) |
| September 6 | 92.0°F(33.3°C) | 68.5°F(20.3°C) | 80.0°F(26.7°C) | 0.00"(0.0 mm) |
| September 7 | 91.6°F(33.1°C) | 69.1°F(20.6°C) | 80.1°F(26.7°C) | 0.00"(0.0 mm) |
| September 8 | 98.1°F(36.7°C) | 70.0°F(21.1°C) | 83.0°F(28.3°C) | 0.00"(0.0 mm) |
| September 9 | 100.0°F(37.8°C) | 74.2°F(23.5°C) | 85.5°F(29.7°C) | 0.00"(0.0 mm) |
| September 10 | 93.0°F(33.9°C) | 76.0°F(24.4°C) | 82.7°F(28.2°C) | 0.00"(0.0 mm) |
| September 11 | 85.4°F(29.7°C) | 70.5°F(21.4°C) | 77.6°F(25.3°C) | 0.00"(0.0 mm) |
| September 12 | 92.2°F(33.4°C) | 70.5°F(21.4°C) | 79.1°F(26.2°C) | 0.00"(0.0 mm) |
| September 13 | 101.9°F(38.9°C) | 67.7°F(19.8°C) | 83.7°F(28.7°C) | 0.00"(0.0 mm) |
| September 14 | 103.5°F(39.7°C) | 70.6°F(21.5°C) | 88.4°F(31.3°C) | 0.00"(0.0 mm) |
| September 15 | 102.4°F(39.1°C) | 72.2°F(22.3°C) | 87.6°F(30.9°C) | 0.00"(0.0 mm) |
| September 16 | 94.3°F(34.6°C) | 69.1°F(20.6°C) | 82.1°F(27.8°C) | 0.00"(0.0 mm) |
| September 17 | 90.2°F(32.3°C) | 65.5°F(18.6°C) | 77.8°F(25.5°C) | 0.00"(0.0 mm) |
| September 18 | 93.7°F(34.3°C) | 65.6°F(18.7°C) | 79.2°F(26.2°C) | 0.00"(0.0 mm) |
| September 19 | 97.6°F(36.4°C) | 64.9°F(18.3°C) | 80.9°F(27.1°C) | 0.00"(0.0 mm) |
| September 20 | 100.2°F(37.9°C) | 67.2°F(19.6°C) | 83.8°F(28.8°C) | 0.00"(0.0 mm) |
| September 21 | 99.4°F(37.4°C) | 68.1°F(20.0°C) | 83.5°F(28.6°C) | 0.00"(0.0 mm) |
| September 22 | 96.9°F(36.0°C) | 72.9°F(22.7°C) | 83.5°F(28.6°C) | 0.00"(0.0 mm) |
| September 23 | 98.0°F(36.7°C) | 70.2°F(21.2°C) | 84.2°F(29.0°C) | 0.00"(0.0 mm) |
| September 24 | 90.5°F(32.5°C) | 68.3°F(20.2°C) | 79.3°F(26.3°C) | 0.00"(0.0 mm) |
| September 25 | 87.1°F(30.6°C) | 62.4°F(16.9°C) | 73.9°F(23.3°C) | 0.00"(0.0 mm) |
| September 26 | 87.7°F(30.9°C) | 60.1°F(15.6°C) | 72.2°F(22.3°C) | 0.00"(0.0 mm) |
| September 27 | 95.7°F(35.4°C) | 62.6°F(17.0°C) | 77.1°F(25.0°C) | 0.00"(0.0 mm) |
| September 28 | 93.7°F(34.3°C) | 64.1°F(17.8°C) | 79.3°F(26.3°C) | 0.00"(0.0 mm) |
| September 29 | 94.2°F(34.6°C) | 65.2°F(18.4°C) | 80.1°F(26.7°C) | 0.00"(0.0 mm) |
| September 30 | 103.3°F(39.6°C) | 65.9°F(18.9°C) | 84.1°F(28.9°C) | 0.00"(0.0 mm) |