September weather in Dixon, CA
The average temperature in Dixon in September is 72.3°F (54.8°F–89.8°F). Average precipitation: 0.09 inches.
September is a fall month in Dixon, and is warmer than the annual average of 61.6°F. Daily temperatures swing about 35°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 14m. For travel, September is hot.
Avg High
89.8°F
Avg Low
54.8°F
Precipitation
0.09 in
Daylight
12h 14m
September records in Dixon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (2025) | 39.9°F (1911) | 0.00 in (1894) |
| September 2 | 111.9°F (1950) | 37.0°F (1911) | 0.11 in (2000) |
| September 3 | 111.0°F (1950) | 39.9°F (1910) | 0.06 in (1912) |
| September 4 | 109.9°F (1950) | 39.0°F (1910) | 0.00 in (1894) |
| September 5 | 108.0°F (1950) | 42.1°F (1911) | 0.05 in (1912) |
| September 6 | 115.0°F (2022) | 44.1°F (1911) | 1.11 in (1912) |
| September 7 | 116.1°F (2022) | 41.0°F (1910) | 0.05 in (1969) |
| September 8 | 111.0°F (2022) | 42.1°F (1947) | 0.32 in (1919) |
| September 9 | 114.1°F (2022) | 41.0°F (1931) | 0.12 in (1985) |
| September 10 | 111.0°F (1944) | 39.9°F (1928) | 0.36 in (1895) |
| September 11 | 108.0°F (1922) | 41.0°F (1931) | 0.22 in (1976) |
| September 12 | 105.1°F (1922) | 44.1°F (1931) | 2.78 in (1918) |
| September 13 | 106.0°F (1929) | 35.1°F (1910) | 1.00 in (1918) |
| September 14 | 109.0°F (1929) | 35.1°F (1910) | 0.21 in (2009) |
| September 15 | 107.1°F (1929) | 39.9°F (1921) | 0.34 in (1955) |
| September 16 | 107.1°F (1913) | 43.0°F (1911) | 0.95 in (1982) |
| September 17 | 107.1°F (1913) | 39.9°F (1909) | 1.40 in (1989) |
| September 18 | 105.1°F (1913) | 39.0°F (1916) | 1.42 in (1959) |
| September 19 | 104.0°F (1913) | 36.0°F (1926) | 1.24 in (2022) |
| September 20 | 104.0°F (1919) | 39.9°F (1965) | 1.58 in (2022) |
| September 21 | 104.0°F (2000) | 37.9°F (1924) | 0.09 in (1918) |
| September 22 | 104.0°F (1943) | 37.0°F (1926) | 0.67 in (2013) |
| September 23 | 106.0°F (1949) | 39.9°F (1929) | 0.14 in (1906) |
| September 24 | 107.1°F (2025) | 39.0°F (1912) | 0.43 in (1986) |
| September 25 | 104.0°F (2024) | 37.9°F (1934) | 0.43 in (1909) |
| September 26 | 100.9°F (1944) | 39.9°F (1910) | 0.69 in (1972) |
| September 27 | 104.0°F (1921) | 37.0°F (1929) | 0.33 in (1998) |
| September 28 | 102.0°F (1921) | 37.0°F (1929) | 0.40 in (1957) |
| September 29 | 102.0°F (2010) | 37.0°F (1925) | 0.58 in (1989) |
| September 30 | 102.9°F (1966) | 36.0°F (1929) | 0.98 in (1894) |