September weather in Toulon, IL
The average temperature in Toulon in September is 64.2°F (51.9°F–76.5°F). Average precipitation: 3.68 inches.
September is a fall month in Toulon, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 24.6°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
76.5°F
Avg Low
51.9°F
Precipitation
3.68 in
Daylight
12h 15m
September records in Toulon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1953) | 37.9°F (1949) | 1.88 in (2003) |
| September 2 | 102.0°F (1953) | 39.0°F (1946) | 0.91 in (2012) |
| September 3 | 97.0°F (1953) | 42.1°F (1952) | 2.05 in (1966) |
| September 4 | 95.0°F (1954) | 39.9°F (1974) | 0.98 in (1953) |
| September 5 | 95.0°F (1954) | 37.9°F (1974) | 1.81 in (2008) |
| September 6 | 97.0°F (1960) | 37.0°F (1988) | 2.34 in (2020) |
| September 7 | 97.0°F (1939) | 39.0°F (1956) | 0.90 in (2012) |
| September 8 | 95.0°F (1971) | 37.0°F (1986) | 1.63 in (1948) |
| September 9 | 97.0°F (1955) | 41.0°F (1986) | 1.31 in (2008) |
| September 10 | 95.0°F (2013) | 39.0°F (1949) | 2.20 in (2014) |
| September 11 | 93.9°F (1983) | 39.0°F (1940) | 1.70 in (2022) |
| September 12 | 93.9°F (1939) | 39.9°F (1958) | 1.17 in (1961) |
| September 13 | 96.1°F (1939) | 34.0°F (1953) | 3.97 in (2008) |
| September 14 | 99.0°F (1939) | 36.0°F (1974) | 3.53 in (2008) |
| September 15 | 100.0°F (1939) | 36.0°F (1985) | 1.14 in (1998) |
| September 16 | 90.0°F (1955) | 34.0°F (1984) | 2.08 in (2004) |
| September 17 | 93.0°F (1954) | 37.0°F (1984) | 1.40 in (2023) |
| September 18 | 91.9°F (1954) | 37.9°F (1959) | 1.84 in (1968) |
| September 19 | 93.0°F (1948) | 39.0°F (2012) | 2.68 in (2015) |
| September 20 | 90.0°F (1940) | 28.0°F (1956) | 1.75 in (1965) |
| September 21 | 93.9°F (2018) | 37.0°F (1983) | 3.13 in (1947) |
| September 22 | 89.1°F (1959) | 30.0°F (1974) | 2.12 in (1970) |
| September 23 | 91.9°F (2017) | 26.1°F (1974) | 1.50 in (1961) |
| September 24 | 91.9°F (2017) | 27.0°F (1995) | 1.15 in (1970) |
| September 25 | 90.0°F (2017) | 30.0°F (1942) | 1.30 in (1941) |
| September 26 | 91.0°F (2017) | 32.0°F (1942) | 1.50 in (1976) |
| September 27 | 89.1°F (1954) | 28.9°F (1942) | 1.92 in (2011) |
| September 28 | 90.0°F (1952) | 25.0°F (1942) | 3.46 in (2019) |
| September 29 | 93.9°F (1953) | 32.0°F (1984) | 1.20 in (1981) |
| September 30 | 90.0°F (1952) | 28.0°F (1984) | 1.50 in (1986) |