September weather in East Galesburg, IL
The average temperature in East Galesburg in September is 65.4°F (54.4°F–76.3°F). Average precipitation: 4.18 inches.
September is a fall month in East Galesburg, and is warmer than the annual average of 50.4°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
76.3°F
Avg Low
54.4°F
Precipitation
4.18 in
Daylight
12h 15m
September records in East Galesburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (2011) | 46.0°F (2009) | 1.94 in (2003) |
| September 2 | 98.1°F (2011) | 46.0°F (2017) | 2.00 in (2012) |
| September 3 | 96.1°F (2011) | 50.0°F (2024) | 0.49 in (2010) |
| September 4 | 91.0°F (2015) | 45.0°F (2025) | 2.43 in (2014) |
| September 5 | 93.0°F (2015) | 50.0°F (2010) | 1.49 in (2008) |
| September 6 | 90.0°F (2015) | 44.1°F (2025) | 2.82 in (2018) |
| September 7 | 91.9°F (2015) | 41.0°F (2025) | 2.97 in (2018) |
| September 8 | 90.0°F (2013) | 41.0°F (2024) | 3.50 in (2013) |
| September 9 | 84.9°F (2006) | 41.0°F (2024) | 1.23 in (2008) |
| September 10 | 95.0°F (2013) | 44.1°F (2008) | 3.69 in (2014) |
| September 11 | 93.0°F (2013) | 46.9°F (2008) | 1.55 in (2022) |
| September 12 | 89.1°F (2013) | 43.0°F (2007) | 2.90 in (2020) |
| September 13 | 89.1°F (2019) | 39.0°F (2014) | 3.29 in (2008) |
| September 14 | 95.0°F (2025) | 39.0°F (2014) | 1.93 in (2008) |
| September 15 | 95.0°F (2025) | 37.0°F (2007) | 0.61 in (2019) |
| September 16 | 91.0°F (2025) | 37.0°F (2007) | 2.82 in (2004) |
| September 17 | 90.0°F (2025) | 43.0°F (2014) | 0.37 in (2023) |
| September 18 | 89.1°F (2015) | 43.0°F (2012) | 0.41 in (2022) |
| September 19 | 90.0°F (2007) | 41.0°F (2012) | 1.66 in (2010) |
| September 20 | 90.0°F (2013) | 37.9°F (2006) | 1.05 in (2013) |
| September 21 | 93.9°F (2022) | 37.9°F (2006) | 1.05 in (2021) |
| September 22 | 89.1°F (2007) | 44.1°F (2012) | 1.45 in (2019) |
| September 23 | 91.9°F (2017) | 37.0°F (2012) | 2.87 in (2000) |
| September 24 | 91.9°F (2017) | 36.0°F (2012) | 0.81 in (2005) |
| September 25 | 90.0°F (2017) | 37.9°F (2012) | 0.51 in (2019) |
| September 26 | 91.0°F (2017) | 45.0°F (2011) | 0.53 in (2010) |
| September 27 | 86.0°F (2017) | 39.9°F (2010) | 2.85 in (1999) |
| September 28 | 86.0°F (2021) | 37.9°F (2022) | 3.50 in (2019) |
| September 29 | 88.0°F (2025) | 37.9°F (2022) | 0.52 in (2005) |
| September 30 | 89.1°F (2025) | 37.9°F (2022) | 1.62 in (2019) |