September weather in Columbus, IL
The average temperature in Columbus in September is 67.0°F (56.1°F–77.9°F). Average precipitation: 3.09 inches.
September is a fall month in Columbus, and is warmer than the annual average of 53°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
77.9°F
Avg Low
56.1°F
Precipitation
3.09 in
Daylight
12h 15m
September records in Columbus
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (2011) | 41.0°F (1949) | 1.36 in (1980) |
| September 2 | 100.9°F (2011) | 45.0°F (1949) | 2.68 in (1993) |
| September 3 | 99.0°F (1960) | 41.0°F (1952) | 2.01 in (1991) |
| September 4 | 98.1°F (1954) | 41.0°F (1974) | 1.56 in (2008) |
| September 5 | 98.1°F (1954) | 45.0°F (1950) | 0.65 in (1980) |
| September 6 | 98.1°F (1960) | 43.0°F (2011) | 2.21 in (2018) |
| September 7 | 97.0°F (1960) | 42.1°F (1956) | 2.65 in (2018) |
| September 8 | 96.1°F (1980) | 39.9°F (1986) | 1.88 in (1989) |
| September 9 | 100.0°F (2013) | 45.0°F (1949) | 1.37 in (1971) |
| September 10 | 98.1°F (2013) | 43.0°F (1967) | 3.51 in (2014) |
| September 11 | 97.0°F (2013) | 43.0°F (1967) | 3.10 in (2006) |
| September 12 | 93.9°F (1980) | 42.1°F (2014) | 3.53 in (1977) |
| September 13 | 97.0°F (1956) | 39.9°F (1953) | 4.12 in (1961) |
| September 14 | 96.1°F (2025) | 37.9°F (1996) | 1.49 in (1998) |
| September 15 | 91.9°F (1955) | 37.0°F (2007) | 1.35 in (1983) |
| September 16 | 96.1°F (1956) | 41.0°F (1984) | 2.95 in (1978) |
| September 17 | 95.0°F (1954) | 43.0°F (1951) | 2.00 in (1978) |
| September 18 | 93.9°F (1953) | 41.0°F (1981) | 2.74 in (2022) |
| September 19 | 95.0°F (1972) | 35.1°F (1991) | 1.25 in (1966) |
| September 20 | 93.9°F (1948) | 34.0°F (1991) | 2.67 in (1986) |
| September 21 | 91.9°F (1980) | 37.9°F (1991) | 1.71 in (1968) |
| September 22 | 93.9°F (1988) | 34.0°F (1995) | 2.65 in (1970) |
| September 23 | 91.9°F (2007) | 33.1°F (1995) | 2.16 in (1970) |
| September 24 | 91.9°F (2007) | 33.1°F (1989) | 1.54 in (1961) |
| September 25 | 90.0°F (2017) | 37.0°F (1950) | 2.43 in (1976) |
| September 26 | 91.0°F (1953) | 34.0°F (1984) | 1.49 in (1996) |
| September 27 | 90.0°F (2019) | 35.1°F (1989) | 1.23 in (1955) |
| September 28 | 100.0°F (1953) | 33.1°F (1951) | 1.57 in (2019) |
| September 29 | 100.0°F (1953) | 32.0°F (1984) | 1.58 in (1978) |
| September 30 | 93.9°F (2023) | 36.0°F (1949) | 1.28 in (1962) |