September weather in Apple River, IL
The average temperature in Apple River in September is °F (°F–°F). Average precipitation: 4.09 inches.
September is a fall month in Apple River, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
4.09 in
Daylight
12h 16m
September records in Apple River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 0.20 in (2010) |
| September 2 | — | — | 0.93 in (2002) |
| September 3 | — | — | 0.65 in (1994) |
| September 4 | — | — | 1.70 in (2011) |
| September 5 | — | — | 1.05 in (2008) |
| September 6 | — | — | 1.20 in (1992) |
| September 7 | — | — | 0.35 in (2001) |
| September 8 | — | — | 1.27 in (2001) |
| September 9 | — | — | 0.80 in (1989) |
| September 10 | — | — | 2.22 in (1986) |
| September 11 | — | — | 1.40 in (2006) |
| September 12 | — | — | 1.65 in (2006) |
| September 13 | — | — | 1.42 in (2008) |
| September 14 | — | — | 2.85 in (2003) |
| September 15 | — | — | 2.87 in (1998) |
| September 16 | — | — | 1.10 in (1992) |
| September 17 | — | — | 1.86 in (1992) |
| September 18 | — | — | 1.00 in (2015) |
| September 19 | — | — | 1.11 in (2002) |
| September 20 | — | — | 3.05 in (2001) |
| September 21 | — | — | 1.73 in (1986) |
| September 22 | — | — | 0.77 in (2010) |
| September 23 | — | — | 2.00 in (2000) |
| September 24 | — | — | 0.70 in (2010) |
| September 25 | — | — | 3.49 in (1986) |
| September 26 | — | — | 0.84 in (2007) |
| September 27 | — | — | 0.82 in (2011) |
| September 28 | — | — | 1.22 in (1999) |
| September 29 | — | — | 1.98 in (1986) |
| September 30 | — | — | 0.50 in (1986) |