Currently
52°F
in Simi Valley, California, USA
54°F / 51°F
calm
0.00"
Friday, April 19, 2024 5:11 AM PDT
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Simi Valley, 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: | 107.8°F (42.1°C) | at 2:21PM Sep 1 | 85.0°F (29.4°C) | 87°F (30°C) |
| Low Temperature: | 49.3°F (9.6°C) | at 7:10AM Sep 23 | 61.5°F (16.4°C) | 61°F (16°C) |
| Month Average: | 71.5°F (22.0°C) | for 30 days | ||
| Normal Average: | 72°F (22°C) | |||
| Precipitation: | 0.12" (3.0 mm) | |||
| Date | High | Low | Average | Precipitation |
| September 1 | 107.8°F(42.1°C) | 81.4°F(27.4°C) | 91.6°F(33.1°C) | 0.00"(0.0 mm) |
| September 2 | 104.7°F(40.4°C) | 78.3°F(25.7°C) | 90.8°F(32.7°C) | 0.00"(0.0 mm) |
| September 3 | 100.0°F(37.8°C) | 73.6°F(23.1°C) | 84.1°F(29.0°C) | 0.00"(0.0 mm) |
| September 4 | 86.6°F(30.4°C) | 69.4°F(20.8°C) | 76.3°F(24.6°C) | 0.12"(3.0 mm) |
| September 5 | 87.1°F(30.6°C) | 65.7°F(18.7°C) | 73.8°F(23.2°C) | 0.00"(0.0 mm) |
| September 6 | 85.3°F(29.6°C) | 63.7°F(17.6°C) | 72.5°F(22.5°C) | 0.00"(0.0 mm) |
| September 7 | 87.2°F(30.7°C) | 60.4°F(15.8°C) | 73.0°F(22.8°C) | 0.00"(0.0 mm) |
| September 8 | 87.7°F(30.9°C) | 62.0°F(16.7°C) | 71.4°F(21.9°C) | 0.00"(0.0 mm) |
| September 9 | 89.9°F(32.1°C) | 57.2°F(14.0°C) | 70.3°F(21.3°C) | 0.00"(0.0 mm) |
| September 10 | 95.8°F(35.4°C) | 62.5°F(16.9°C) | 77.1°F(25.1°C) | 0.00"(0.0 mm) |
| September 11 | 94.9°F(35.0°C) | 68.4°F(20.2°C) | 77.9°F(25.5°C) | 0.00"(0.0 mm) |
| September 12 | 82.8°F(28.2°C) | 64.2°F(17.9°C) | 72.7°F(22.6°C) | 0.00"(0.0 mm) |
| September 13 | 76.9°F(25.0°C) | 60.6°F(15.9°C) | 67.1°F(19.5°C) | 0.00"(0.0 mm) |
| September 14 | 67.9°F(20.0°C) | 58.3°F(14.6°C) | 63.9°F(17.7°C) | 0.00"(0.0 mm) |
| September 15 | 76.7°F(24.8°C) | 61.0°F(16.1°C) | 67.0°F(19.4°C) | 0.00"(0.0 mm) |
| September 16 | 78.2°F(25.7°C) | 57.2°F(14.0°C) | 66.0°F(18.9°C) | 0.00"(0.0 mm) |
| September 17 | 76.1°F(24.5°C) | 58.8°F(14.9°C) | 65.8°F(18.8°C) | 0.00"(0.0 mm) |
| September 18 | 76.7°F(24.8°C) | 57.1°F(13.9°C) | 65.8°F(18.8°C) | 0.00"(0.0 mm) |
| September 19 | 74.8°F(23.8°C) | 59.4°F(15.2°C) | 66.3°F(19.0°C) | 0.00"(0.0 mm) |
| September 20 | 76.1°F(24.5°C) | 56.1°F(13.4°C) | 65.4°F(18.5°C) | 0.00"(0.0 mm) |
| September 21 | 72.1°F(22.3°C) | 56.7°F(13.7°C) | 63.9°F(17.7°C) | 0.00"(0.0 mm) |
| September 22 | 71.7°F(22.1°C) | 50.2°F(10.1°C) | 59.8°F(15.4°C) | 0.00"(0.0 mm) |
| September 23 | 73.6°F(23.1°C) | 49.3°F(9.6°C) | 61.2°F(16.2°C) | 0.00"(0.0 mm) |
| September 24 | 84.4°F(29.1°C) | 56.8°F(13.8°C) | 68.9°F(20.5°C) | 0.00"(0.0 mm) |
| September 25 | 88.0°F(31.1°C) | 58.5°F(14.7°C) | 72.1°F(22.3°C) | 0.00"(0.0 mm) |
| September 26 | 90.7°F(32.6°C) | 60.2°F(15.6°C) | 73.8°F(23.2°C) | 0.00"(0.0 mm) |
| September 27 | 93.0°F(33.9°C) | 58.2°F(14.6°C) | 72.1°F(22.3°C) | 0.00"(0.0 mm) |
| September 28 | 91.8°F(33.2°C) | 56.2°F(13.4°C) | 71.7°F(22.0°C) | 0.00"(0.0 mm) |
| September 29 | 90.1°F(32.3°C) | 64.2°F(17.9°C) | 75.5°F(24.2°C) | 0.00"(0.0 mm) |
| September 30 | 80.5°F(26.9°C) | 59.5°F(15.3°C) | 68.4°F(20.2°C) | 0.00"(0.0 mm) |