September weather in Stockton, CA
The average temperature in Stockton in September is 74.5°F (57.1°F–91.9°F). Average precipitation: 0.08 inches.
September is a fall month in Stockton, and is warmer than the annual average of 63.9°F. Daily temperatures swing about 34.8°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
91.9°F
Avg Low
57.1°F
Precipitation
0.08 in
Daylight
12h 14m
September records in Stockton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (2007) | 43.0°F (1957) | 0.08 in (1964) |
| September 2 | 105.1°F (2002) | 37.9°F (1989) | 0.12 in (1912) |
| September 3 | 107.1°F (1950) | 41.0°F (1989) | 0.45 in (1945) |
| September 4 | 106.0°F (1950) | 42.1°F (1957) | 0.00 in (1926) |
| September 5 | 105.1°F (1950) | 39.0°F (1989) | 0.00 in (1926) |
| September 6 | 104.0°F (1988) | 42.1°F (1989) | 0.18 in (1978) |
| September 7 | 104.0°F (2004) | 37.9°F (1989) | 0.87 in (1912) |
| September 8 | 104.0°F (2004) | 42.1°F (1986) | 0.05 in (1958) |
| September 9 | 108.0°F (1944) | 39.9°F (1989) | 0.21 in (1985) |
| September 10 | 106.0°F (1944) | 41.0°F (1989) | 0.06 in (1978) |
| September 11 | 102.0°F (2009) | 34.0°F (1989) | 0.03 in (1952) |
| September 12 | 100.0°F (1979) | 39.9°F (1952) | 0.02 in (1963) |
| September 13 | 106.0°F (1979) | 39.9°F (1988) | 0.35 in (2009) |
| September 14 | 102.9°F (1971) | 39.0°F (1991) | 0.00 in (1926) |
| September 15 | 102.9°F (1971) | 39.0°F (1956) | 0.16 in (1910) |
| September 16 | 102.9°F (1971) | 39.0°F (1988) | 1.05 in (1989) |
| September 17 | 104.0°F (1984) | 37.9°F (1986) | 0.48 in (1950) |
| September 18 | 102.0°F (1939) | 39.0°F (1986) | 0.53 in (1989) |
| September 19 | 102.0°F (2000) | 35.1°F (1989) | 1.83 in (1959) |
| September 20 | 102.9°F (1939) | 32.0°F (1989) | 0.09 in (1977) |
| September 21 | 104.0°F (1939) | 37.9°F (1986) | 0.12 in (2005) |
| September 22 | 102.0°F (1939) | 26.1°F (1996) | 0.61 in (1983) |
| September 23 | 104.0°F (1939) | 35.1°F (1991) | 0.40 in (1986) |
| September 24 | 102.0°F (2003) | 28.9°F (1989) | 0.15 in (1934) |
| September 25 | 100.0°F (1991) | 39.0°F (1988) | 0.37 in (1939) |
| September 26 | 104.0°F (2009) | 36.0°F (1988) | 0.80 in (1982) |
| September 27 | 104.0°F (2009) | 30.0°F (1989) | 0.70 in (1972) |
| September 28 | 102.9°F (2009) | 39.0°F (1989) | 0.28 in (1949) |
| September 29 | 104.0°F (2010) | 39.0°F (1989) | 1.11 in (1976) |
| September 30 | 99.0°F (1966) | 39.9°F (1989) | 0.35 in (1983) |