September weather in Jefferson City, MO
The average temperature in Jefferson City in September is 69.0°F (58.1°F–79.9°F). Average precipitation: 4.24 inches.
September is a fall month in Jefferson City, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
79.9°F
Avg Low
58.1°F
Precipitation
4.24 in
Daylight
12h 14m
September records in Jefferson City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1913) | 39.9°F (1967) | 4.98 in (2003) |
| September 2 | 102.9°F (1913) | 41.0°F (1949) | 1.65 in (1936) |
| September 3 | 107.1°F (1939) | 42.1°F (1974) | 2.30 in (2008) |
| September 4 | 105.1°F (1913) | 34.0°F (1974) | 2.79 in (2008) |
| September 5 | 104.0°F (1925) | 37.9°F (1974) | 1.35 in (1929) |
| September 6 | 106.0°F (1925) | 39.9°F (1974) | 1.53 in (1902) |
| September 7 | 104.0°F (1899) | 43.0°F (1988) | 2.60 in (1930) |
| September 8 | 104.0°F (1939) | 37.9°F (1986) | 3.12 in (1984) |
| September 9 | 102.0°F (1925) | 37.9°F (1986) | 2.65 in (2016) |
| September 10 | 100.9°F (1938) | 41.0°F (1969) | 3.30 in (2016) |
| September 11 | 100.0°F (1936) | 37.0°F (1940) | 2.10 in (1931) |
| September 12 | 100.9°F (1939) | 39.0°F (1940) | 1.86 in (1949) |
| September 13 | 100.9°F (1939) | 33.1°F (1902) | 3.00 in (1961) |
| September 14 | 104.0°F (1893) | 37.0°F (1902) | 4.67 in (2008) |
| September 15 | 102.0°F (1939) | 37.9°F (1961) | 1.98 in (1991) |
| September 16 | 102.0°F (1939) | 37.9°F (1961) | 2.69 in (1969) |
| September 17 | 100.0°F (1953) | 39.0°F (1903) | 5.70 in (1905) |
| September 18 | 100.0°F (1925) | 39.0°F (1903) | 1.68 in (1949) |
| September 19 | 100.0°F (1954) | 33.1°F (1901) | 2.58 in (1942) |
| September 20 | 96.1°F (2022) | 32.0°F (1983) | 2.83 in (2005) |
| September 21 | 96.1°F (1955) | 32.0°F (1983) | 1.63 in (1968) |
| September 22 | 99.0°F (1956) | 30.0°F (1983) | 2.00 in (1951) |
| September 23 | 95.0°F (1939) | 30.0°F (1983) | 3.30 in (1993) |
| September 24 | 97.0°F (1901) | 33.1°F (1942) | 1.70 in (2000) |
| September 25 | 93.0°F (1939) | 30.9°F (1989) | 2.30 in (1941) |
| September 26 | 93.9°F (1953) | 34.0°F (1940) | 2.10 in (1925) |
| September 27 | 96.1°F (1929) | 30.9°F (1942) | 3.00 in (1936) |
| September 28 | 102.0°F (1953) | 30.9°F (1942) | 1.94 in (1936) |
| September 29 | 100.9°F (1953) | 30.0°F (1899) | 2.25 in (1906) |
| September 30 | 95.0°F (1901) | 28.9°F (1899) | 2.05 in (1927) |