September weather in Johnsonville, IL
The average temperature in Johnsonville in September is °F (°F–°F). Average precipitation: 3.50 inches.
September is a fall month in Johnsonville, and is cooler than the annual average of 0°F. Expect about 5 days with precipitation. Daylight averages about 12h 14m.
Avg High
°F
Avg Low
°F
Precipitation
3.50 in
Daylight
12h 14m
September records in Johnsonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.18 in (2012) |
| September 2 | — | — | 3.62 in (2012) |
| September 3 | — | — | 1.48 in (1993) |
| September 4 | — | — | 0.46 in (2008) |
| September 5 | — | — | 0.97 in (1948) |
| September 6 | — | — | 1.10 in (1992) |
| September 7 | — | — | 1.10 in (1992) |
| September 8 | — | — | 8.54 in (2018) |
| September 9 | — | — | 1.73 in (2015) |
| September 10 | — | — | 1.24 in (2014) |
| September 11 | — | — | 0.56 in (2010) |
| September 12 | — | — | 2.26 in (1949) |
| September 13 | — | — | 0.70 in (2024) |
| September 14 | — | — | 1.40 in (1993) |
| September 15 | — | — | 1.40 in (1993) |
| September 16 | — | — | 2.13 in (1996) |
| September 17 | — | — | 1.97 in (2016) |
| September 18 | — | — | 2.15 in (2001) |
| September 19 | — | — | 0.60 in (1993) |
| September 20 | — | — | 1.16 in (2009) |
| September 21 | — | — | 0.94 in (1992) |
| September 22 | — | — | 1.40 in (1993) |
| September 23 | — | — | 1.60 in (1993) |
| September 24 | — | — | 1.60 in (1993) |
| September 25 | — | — | 1.90 in (2018) |
| September 26 | — | — | 1.30 in (2002) |
| September 27 | — | — | 0.68 in (2007) |
| September 28 | — | — | 2.30 in (2024) |
| September 29 | — | — | 3.30 in (2015) |
| September 30 | — | — | 0.36 in (2016) |