September weather in Colfax, IL
The average temperature in Colfax in September is 65.2°F (53.3°F–77.1°F). Average precipitation: 3.13 inches.
September is a fall month in Colfax, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
77.1°F
Avg Low
53.3°F
Precipitation
3.13 in
Daylight
12h 15m
September records in Colfax
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 39.9°F (1967) | 2.47 in (2012) |
| September 2 | 100.0°F (1953) | 42.1°F (1994) | 1.70 in (1961) |
| September 3 | 96.1°F (2011) | 43.0°F (1952) | 1.16 in (1991) |
| September 4 | 95.0°F (1954) | 37.9°F (1974) | 2.36 in (2008) |
| September 5 | 97.0°F (1990) | 6.1°F (1985) | 0.90 in (2014) |
| September 6 | 97.0°F (1990) | 37.9°F (1988) | 1.32 in (1989) |
| September 7 | 96.1°F (1960) | 39.0°F (1956) | 1.39 in (1995) |
| September 8 | 96.1°F (1978) | 39.0°F (1986) | 1.86 in (1989) |
| September 9 | 97.0°F (2013) | 39.9°F (1986) | 1.37 in (1989) |
| September 10 | 98.1°F (2013) | 43.0°F (1967) | 2.60 in (2014) |
| September 11 | 96.1°F (2013) | 37.0°F (1967) | 2.20 in (2006) |
| September 12 | 93.9°F (1991) | 41.0°F (1955) | 2.10 in (1961) |
| September 13 | 97.0°F (1956) | 32.0°F (1964) | 2.47 in (1970) |
| September 14 | 93.0°F (1971) | 35.1°F (1963) | 3.59 in (2008) |
| September 15 | 91.0°F (1991) | 36.0°F (2007) | 1.40 in (1958) |
| September 16 | 90.0°F (1955) | 36.0°F (2011) | 1.55 in (1965) |
| September 17 | 91.9°F (1988) | 39.0°F (1959) | 1.80 in (1980) |
| September 18 | 93.0°F (1953) | 30.9°F (1959) | 0.83 in (1977) |
| September 19 | 93.0°F (1978) | 36.0°F (1991) | 1.63 in (1983) |
| September 20 | 95.0°F (2021) | 28.0°F (1956) | 1.55 in (1986) |
| September 21 | 99.0°F (2022) | 34.0°F (1962) | 1.37 in (1950) |
| September 22 | 93.0°F (1988) | 32.0°F (1976) | 2.78 in (2023) |
| September 23 | 93.0°F (2007) | 24.1°F (1974) | 0.94 in (1961) |
| September 24 | 93.0°F (2007) | 32.0°F (1983) | 1.73 in (1961) |
| September 25 | 91.0°F (2017) | 28.9°F (1989) | 1.40 in (1961) |
| September 26 | 91.0°F (1998) | 34.0°F (1984) | 1.41 in (1976) |
| September 27 | 91.0°F (1998) | 33.1°F (1989) | 1.50 in (2011) |
| September 28 | 91.9°F (1953) | 32.0°F (1957) | 1.80 in (2019) |
| September 29 | 99.0°F (1953) | 33.1°F (1967) | 1.24 in (1981) |
| September 30 | 91.0°F (2021) | 28.0°F (1984) | 0.60 in (1965) |