September weather in Weldon, IL
The average temperature in Weldon in September is °F (°F–°F). Average precipitation: 3.31 inches.
September is a fall month in Weldon, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
3.31 in
Daylight
12h 15m
September records in Weldon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2000) | 66.0°F (2000) | 5.19 in (2003) |
| September 2 | 91.9°F (2000) | 66.0°F (2000) | 1.89 in (2012) |
| September 3 | 91.9°F (2000) | 66.9°F (2000) | 3.28 in (2010) |
| September 4 | 93.9°F (2000) | 68.0°F (2000) | 0.63 in (2022) |
| September 5 | 80.1°F (2000) | 52.0°F (2000) | 2.59 in (2008) |
| September 6 | 75.0°F (2000) | 45.0°F (2000) | 0.70 in (2014) |
| September 7 | 82.0°F (2000) | 46.0°F (2000) | 0.68 in (2020) |
| September 8 | 87.1°F (2000) | 62.1°F (2000) | 1.43 in (2018) |
| September 9 | 86.0°F (2000) | 64.0°F (2000) | 1.31 in (2016) |
| September 10 | 84.0°F (2000) | 70.0°F (2000) | 0.99 in (2014) |
| September 11 | 82.0°F (2000) | 70.0°F (2000) | 1.60 in (2014) |
| September 12 | 90.0°F (2000) | 64.0°F (2000) | 0.49 in (2022) |
| September 13 | 78.1°F (2000) | 48.0°F (2000) | 0.61 in (2020) |
| September 14 | 79.0°F (2000) | 48.9°F (2000) | 0.23 in (2005) |
| September 15 | 75.0°F (2000) | 48.0°F (2000) | 4.89 in (2008) |
| September 16 | 68.0°F (2000) | 39.9°F (2000) | 0.86 in (2005) |
| September 17 | 70.0°F (2000) | 42.1°F (2000) | 0.28 in (2016) |
| September 18 | 82.0°F (2000) | 50.0°F (2000) | 0.74 in (2002) |
| September 19 | 84.9°F (2000) | 51.1°F (2000) | 0.89 in (2017) |
| September 20 | 86.0°F (2000) | 60.1°F (2000) | 0.60 in (2002) |
| September 21 | 72.0°F (2000) | 42.1°F (2000) | 0.82 in (2009) |
| September 22 | 66.0°F (2000) | 42.1°F (2000) | 0.74 in (2021) |
| September 23 | 82.0°F (2000) | 51.1°F (2000) | 0.91 in (2019) |
| September 24 | 77.0°F (2000) | 55.9°F (2000) | 0.52 in (2000) |
| September 25 | 63.0°F (2000) | 46.0°F (2000) | 0.55 in (2000) |
| September 26 | 55.0°F (2000) | 37.0°F (2000) | 1.61 in (2005) |
| September 27 | 66.0°F (2000) | 37.9°F (2000) | 0.74 in (2011) |
| September 28 | 75.0°F (2000) | 42.1°F (2000) | 1.32 in (2019) |
| September 29 | 70.0°F (2000) | 42.1°F (2000) | 1.97 in (2019) |
| September 30 | 73.0°F (2000) | 44.1°F (2000) | 0.24 in (2019) |