September weather in Peotone, IL
The average temperature in Peotone in September is °F (°F–°F). Average precipitation: 3.99 inches.
September is a fall month in Peotone, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
3.99 in
Daylight
12h 16m
September records in Peotone
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 4.10 in (1989) |
| September 2 | — | — | 1.37 in (2020) |
| September 3 | — | — | 1.26 in (1993) |
| September 4 | — | — | 1.70 in (2018) |
| September 5 | — | — | 3.50 in (2008) |
| September 6 | — | — | 2.90 in (2023) |
| September 7 | — | — | 2.44 in (1998) |
| September 8 | — | — | 1.32 in (1980) |
| September 9 | — | — | 3.89 in (1992) |
| September 10 | — | — | 3.89 in (1992) |
| September 11 | — | — | 0.88 in (2000) |
| September 12 | — | — | 1.33 in (1947) |
| September 13 | — | — | 2.95 in (2008) |
| September 14 | — | — | 3.60 in (2008) |
| September 15 | — | — | 2.13 in (2008) |
| September 16 | — | — | 1.19 in (2004) |
| September 17 | — | — | 2.09 in (1980) |
| September 18 | — | — | 1.44 in (1977) |
| September 19 | — | — | 1.38 in (2015) |
| September 20 | — | — | 1.91 in (1986) |
| September 21 | — | — | 1.90 in (1947) |
| September 22 | — | — | 1.60 in (1970) |
| September 23 | — | — | 2.32 in (1961) |
| September 24 | — | — | 1.57 in (1945) |
| September 25 | — | — | 1.74 in (1942) |
| September 26 | — | — | 1.53 in (1976) |
| September 27 | — | — | 1.95 in (1996) |
| September 28 | — | — | 7.87 in (2019) |
| September 29 | — | — | 1.23 in (1972) |
| September 30 | — | — | 1.00 in (1986) |