September weather in Herscher, IL
The average temperature in Herscher in September is °F (°F–°F). Average precipitation: 3.22 inches.
September is a fall month in Herscher, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
3.22 in
Daylight
12h 15m
September records in Herscher
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 2.05 in (2018) |
| September 2 | — | — | 2.20 in (2012) |
| September 3 | — | — | 2.13 in (1993) |
| September 4 | — | — | 1.48 in (1991) |
| September 5 | — | — | 2.87 in (2008) |
| September 6 | — | — | 0.85 in (1993) |
| September 7 | — | — | 0.78 in (2020) |
| September 8 | — | — | 1.86 in (2016) |
| September 9 | — | — | 0.74 in (2008) |
| September 10 | — | — | 2.96 in (1992) |
| September 11 | — | — | 0.41 in (2015) |
| September 12 | — | — | 1.50 in (2006) |
| September 13 | — | — | 1.49 in (2008) |
| September 14 | — | — | 2.81 in (2008) |
| September 15 | — | — | 2.30 in (2008) |
| September 16 | — | — | 0.77 in (2005) |
| September 17 | — | — | 0.93 in (1997) |
| September 18 | — | — | 1.10 in (2015) |
| September 19 | — | — | 0.93 in (2001) |
| September 20 | — | — | 0.51 in (2005) |
| September 21 | — | — | 0.81 in (2009) |
| September 22 | — | — | 0.67 in (2025) |
| September 23 | — | — | 0.31 in (1994) |
| September 24 | — | — | 0.94 in (1994) |
| September 25 | — | — | 1.02 in (2024) |
| September 26 | — | — | 1.30 in (2009) |
| September 27 | — | — | 2.05 in (1996) |
| September 28 | — | — | 2.86 in (2019) |
| September 29 | — | — | 0.86 in (1999) |
| September 30 | — | — | 0.28 in (2016) |