September weather in La Cañada Flintridge, CA
The average temperature in La Cañada Flintridge in September is °F (°F–°F). Average precipitation: 0.18 inches.
September is a fall month in La Cañada Flintridge, and is cooler than the annual average of 0°F. Expect about 1 days with precipitation. Daylight averages about 12h 12m.
Avg High
°F
Avg Low
°F
Precipitation
0.18 in
Daylight
12h 12m
September records in La Cañada Flintridge
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1928) | 54.0°F (1927) | 0.00 in (1923) |
| September 2 | 97.0°F (1928) | 50.0°F (1927) | 0.09 in (1967) |
| September 3 | 93.9°F (1928) | 57.0°F (1927) | 0.07 in (1940) |
| September 4 | 96.1°F (1928) | 57.9°F (1927) | 0.49 in (1963) |
| September 5 | 100.0°F (1928) | 57.9°F (1929) | 0.28 in (1978) |
| September 6 | 100.9°F (1928) | 55.0°F (1927) | 0.81 in (1965) |
| September 7 | 99.0°F (1923) | 54.0°F (1924) | 0.00 in (1923) |
| September 8 | 99.0°F (1923) | 51.1°F (1929) | 0.04 in (1933) |
| September 9 | 93.0°F (1923) | 53.1°F (1928) | 0.17 in (2022) |
| September 10 | 89.1°F (1924) | 48.0°F (1927) | 1.39 in (1976) |
| September 11 | 90.0°F (1924) | 53.1°F (1928) | 2.81 in (1976) |
| September 12 | 98.1°F (1929) | 48.9°F (1928) | 0.58 in (1923) |
| September 13 | 98.1°F (1929) | 53.1°F (1928) | 0.15 in (1978) |
| September 14 | 100.0°F (1929) | 55.0°F (1927) | 0.12 in (1982) |
| September 15 | 96.1°F (1929) | 46.9°F (1927) | 1.53 in (2015) |
| September 16 | 106.0°F (1929) | 55.9°F (1923) | 0.85 in (2015) |
| September 17 | 100.9°F (1928) | 50.0°F (1927) | 0.73 in (1950) |
| September 18 | 99.0°F (1928) | 51.1°F (1924) | 0.53 in (1929) |
| September 19 | 95.0°F (1928) | 54.0°F (1923) | 0.88 in (1986) |
| September 20 | 91.0°F (1927) | 55.9°F (1928) | 1.05 in (1986) |
| September 21 | 104.0°F (1928) | 48.0°F (1924) | 0.19 in (2019) |
| September 22 | 100.9°F (1928) | 52.0°F (1924) | 1.08 in (2007) |
| September 23 | 95.0°F (1928) | 45.0°F (1923) | 0.33 in (1987) |
| September 24 | 84.9°F (1922) | 46.0°F (1923) | 0.70 in (1939) |
| September 25 | 89.1°F (1922) | 46.0°F (1923) | 4.44 in (1939) |
| September 26 | 86.0°F (1924) | 46.0°F (1927) | 1.47 in (1982) |
| September 27 | 91.0°F (1924) | 46.9°F (1923) | 0.32 in (1982) |
| September 28 | 97.0°F (1924) | 45.0°F (1929) | 0.05 in (2025) |
| September 29 | 99.0°F (1924) | 46.0°F (1929) | 0.80 in (1983) |
| September 30 | 96.1°F (1924) | 48.9°F (1929) | 1.75 in (1983) |