September weather in Fort Jones, CA
The average temperature in Fort Jones in September is 65.7°F (46.9°F–84.4°F). Average precipitation: 0.41 inches.
September is a fall month in Fort Jones, and is warmer than the annual average of 53.5°F. Daily temperatures swing about 37.5°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
84.4°F
Avg Low
46.9°F
Precipitation
0.41 in
Daylight
12h 16m
September records in Fort Jones
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1950) | 36.0°F (1999) | 0.22 in (1944) |
| September 2 | 104.0°F (1931) | 35.1°F (1917) | 0.66 in (1941) |
| September 3 | 107.1°F (1955) | 25.0°F (1917) | 0.75 in (1965) |
| September 4 | 106.0°F (1988) | 30.0°F (1917) | 0.51 in (1972) |
| September 5 | 105.1°F (1998) | 30.0°F (1917) | 1.15 in (1978) |
| September 6 | 102.0°F (1988) | 30.9°F (1917) | 0.91 in (1978) |
| September 7 | 105.1°F (2022) | 28.9°F (1917) | 2.15 in (1991) |
| September 8 | 102.9°F (2020) | 32.0°F (1914) | 0.34 in (1906) |
| September 9 | 100.0°F (1923) | 32.0°F (1917) | 0.76 in (1998) |
| September 10 | 100.0°F (1923) | 34.0°F (1897) | 0.50 in (2021) |
| September 11 | 100.0°F (1953) | 28.0°F (1917) | 1.00 in (2025) |
| September 12 | 100.0°F (1922) | 30.0°F (1936) | 0.35 in (1992) |
| September 13 | 102.9°F (1937) | 28.0°F (1936) | 0.76 in (1939) |
| September 14 | 99.0°F (1922) | 26.1°F (1917) | 1.28 in (1918) |
| September 15 | 100.0°F (1932) | 30.9°F (1921) | 0.56 in (1996) |
| September 16 | 100.0°F (1932) | 30.0°F (1921) | 0.83 in (1925) |
| September 17 | 98.1°F (1938) | 30.0°F (2003) | 0.71 in (1989) |
| September 18 | 98.1°F (1991) | 30.9°F (1988) | 1.22 in (1989) |
| September 19 | 97.0°F (1991) | 30.9°F (1947) | 0.59 in (2021) |
| September 20 | 99.0°F (1952) | 30.9°F (1921) | 0.64 in (1973) |
| September 21 | 97.0°F (1952) | 26.1°F (1895) | 0.47 in (1956) |
| September 22 | 96.1°F (1952) | 21.9°F (1917) | 0.90 in (1923) |
| September 23 | 95.0°F (1943) | 25.0°F (1917) | 0.43 in (1983) |
| September 24 | 97.0°F (1943) | 19.9°F (1917) | 0.22 in (1933) |
| September 25 | 97.0°F (1943) | 26.1°F (1917) | 1.67 in (2014) |
| September 26 | 98.1°F (1994) | 28.9°F (1917) | 0.43 in (1940) |
| September 27 | 98.1°F (1994) | 28.9°F (1917) | 0.60 in (1957) |
| September 28 | 98.1°F (2003) | 28.0°F (1922) | 0.43 in (1977) |
| September 29 | 93.9°F (1932) | 28.0°F (2007) | 0.72 in (1962) |
| September 30 | 95.0°F (1966) | 27.0°F (1950) | 0.67 in (1939) |