September weather in Arthur, IL
The average temperature in Arthur in September is °F (°F–°F). Average precipitation: 3.30 inches.
September is a fall month in Arthur, 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
3.30 in
Daylight
12h 15m
September records in Arthur
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 3.88 in (2003) |
| September 2 | — | — | 1.92 in (2010) |
| September 3 | — | — | 1.96 in (2010) |
| September 4 | — | — | 0.71 in (2022) |
| September 5 | — | — | 1.89 in (2008) |
| September 6 | — | — | 0.29 in (2012) |
| September 7 | — | — | 1.07 in (2007) |
| September 8 | — | — | 1.64 in (2018) |
| September 9 | — | — | 4.81 in (2007) |
| September 10 | — | — | 2.29 in (2016) |
| September 11 | — | — | 0.81 in (2000) |
| September 12 | — | — | 1.37 in (2008) |
| September 13 | — | — | 0.80 in (2008) |
| September 14 | — | — | 0.40 in (2008) |
| September 15 | — | — | 2.51 in (2008) |
| September 16 | — | — | 0.81 in (2014) |
| September 17 | — | — | 0.51 in (2016) |
| September 18 | — | — | 1.67 in (2002) |
| September 19 | — | — | 0.50 in (2001) |
| September 20 | — | — | 0.77 in (2005) |
| September 21 | — | — | 0.81 in (2023) |
| September 22 | — | — | 0.85 in (2021) |
| September 23 | — | — | 1.06 in (2010) |
| September 24 | — | — | 2.35 in (2024) |
| September 25 | — | — | 0.84 in (2000) |
| September 26 | — | — | 1.93 in (2005) |
| September 27 | — | — | 1.05 in (2003) |
| September 28 | — | — | 0.32 in (2024) |
| September 29 | — | — | 0.49 in (2019) |
| September 30 | — | — | 0.13 in (2019) |