September weather in Percy, IL
The average temperature in Percy in September is °F (°F–°F). Average precipitation: 3.48 inches.
September is a fall month in Percy, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 14m.
Avg High
°F
Avg Low
°F
Precipitation
3.48 in
Daylight
12h 14m
September records in Percy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 3.92 in (1982) |
| September 2 | — | — | 1.80 in (1952) |
| September 3 | — | — | 1.51 in (1993) |
| September 4 | — | — | 1.15 in (2008) |
| September 5 | — | — | 1.69 in (2021) |
| September 6 | — | — | 0.65 in (2012) |
| September 7 | — | — | 0.78 in (1983) |
| September 8 | — | — | 7.50 in (2018) |
| September 9 | — | — | 1.76 in (1984) |
| September 10 | — | — | 2.10 in (1951) |
| September 11 | — | — | 2.60 in (1984) |
| September 12 | — | — | 0.58 in (1986) |
| September 13 | — | — | 1.80 in (1951) |
| September 14 | — | — | 1.48 in (2011) |
| September 15 | — | — | 1.55 in (1952) |
| September 16 | — | — | 3.06 in (1996) |
| September 17 | — | — | 1.27 in (1980) |
| September 18 | — | — | 4.00 in (1986) |
| September 19 | — | — | 1.24 in (1952) |
| September 20 | — | — | 0.71 in (1993) |
| September 21 | — | — | 1.31 in (1992) |
| September 22 | — | — | 1.17 in (2022) |
| September 23 | — | — | 3.52 in (1984) |
| September 24 | — | — | 2.88 in (1993) |
| September 25 | — | — | 1.13 in (2000) |
| September 26 | — | — | 1.54 in (1984) |
| September 27 | — | — | 2.12 in (1996) |
| September 28 | — | — | 1.28 in (2005) |
| September 29 | — | — | 0.73 in (2013) |
| September 30 | — | — | 0.56 in (2008) |