September weather in Aviston, IL
The average temperature in Aviston in September is °F (°F–°F). Average precipitation: 2.97 inches.
September is a fall month in Aviston, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 14m.
Avg High
°F
Avg Low
°F
Precipitation
2.97 in
Daylight
12h 14m
September records in Aviston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.47 in (2012) |
| September 2 | — | — | 2.80 in (1980) |
| September 3 | — | — | 1.91 in (1993) |
| September 4 | — | — | 1.76 in (1991) |
| September 5 | — | — | 1.22 in (2008) |
| September 6 | — | — | 2.00 in (1977) |
| September 7 | — | — | 0.58 in (1980) |
| September 8 | — | — | 1.65 in (2012) |
| September 9 | — | — | 1.34 in (1984) |
| September 10 | — | — | 0.87 in (1992) |
| September 11 | — | — | 1.30 in (1984) |
| September 12 | — | — | 1.69 in (1986) |
| September 13 | — | — | 0.31 in (1999) |
| September 14 | — | — | 0.58 in (1982) |
| September 15 | — | — | 1.31 in (2011) |
| September 16 | — | — | 1.57 in (2005) |
| September 17 | — | — | 1.71 in (1987) |
| September 18 | — | — | 1.25 in (2002) |
| September 19 | — | — | 1.07 in (2001) |
| September 20 | — | — | 1.54 in (2005) |
| September 21 | — | — | 1.18 in (1992) |
| September 22 | — | — | 0.06 in (2003) |
| September 23 | — | — | 3.44 in (1984) |
| September 24 | — | — | 1.35 in (1993) |
| September 25 | — | — | 1.18 in (2000) |
| September 26 | — | — | 2.43 in (2012) |
| September 27 | — | — | 1.60 in (2003) |
| September 28 | — | — | 0.26 in (2012) |
| September 29 | — | — | 1.48 in (2005) |
| September 30 | — | — | 0.36 in (2015) |