September weather in Crossville, IL
The average temperature in Crossville in September is 68.1°F (54.8°F–81.4°F). Average precipitation: 3.22 inches.
September is a fall month in Crossville, and is warmer than the annual average of 55°F. Daily temperatures swing about 26.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
81.4°F
Avg Low
54.8°F
Precipitation
3.22 in
Daylight
12h 14m
September records in Crossville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2011) | 46.9°F (1987) | 0.68 in (1989) |
| September 2 | 99.0°F (2011) | 48.0°F (2009) | 2.43 in (2012) |
| September 3 | 99.0°F (2002) | 48.0°F (1994) | 1.62 in (1993) |
| September 4 | 99.0°F (2011) | 48.9°F (2004) | 0.21 in (2003) |
| September 5 | 98.1°F (1990) | 42.1°F (1997) | 1.75 in (2021) |
| September 6 | 98.1°F (1990) | 43.0°F (1988) | 0.65 in (2022) |
| September 7 | 100.0°F (1990) | 39.9°F (1988) | 2.24 in (2009) |
| September 8 | 98.1°F (2002) | 46.0°F (1988) | 2.78 in (2018) |
| September 9 | 96.1°F (2002) | 48.0°F (2017) | 1.36 in (2016) |
| September 10 | 96.1°F (2002) | 44.1°F (1998) | 0.68 in (1992) |
| September 11 | 93.0°F (2019) | 37.0°F (2001) | 1.88 in (2015) |
| September 12 | 95.0°F (1991) | 44.1°F (1993) | 1.17 in (1990) |
| September 13 | 96.1°F (1991) | 46.9°F (2007) | 0.74 in (2024) |
| September 14 | 95.0°F (1991) | 41.0°F (1996) | 1.26 in (2011) |
| September 15 | 93.0°F (1991) | 41.0°F (1996) | 1.80 in (1993) |
| September 16 | 93.9°F (2019) | 39.9°F (2000) | 2.11 in (1996) |
| September 17 | 91.9°F (2018) | 41.0°F (1999) | 2.22 in (2012) |
| September 18 | 93.9°F (2018) | 42.1°F (1999) | 1.00 in (2006) |
| September 19 | 93.0°F (1997) | 42.1°F (2012) | 1.81 in (2011) |
| September 20 | 96.1°F (2022) | 39.0°F (1991) | 2.94 in (2002) |
| September 21 | 97.0°F (2022) | 36.0°F (1991) | 1.46 in (2009) |
| September 22 | 96.1°F (2024) | 30.9°F (1999) | 0.94 in (1998) |
| September 23 | 95.0°F (2010) | 33.1°F (1995) | 2.06 in (2006) |
| September 24 | 93.9°F (2007) | 32.0°F (1995) | 0.89 in (2024) |
| September 25 | 91.9°F (2007) | 37.0°F (2001) | 2.16 in (2018) |
| September 26 | 91.9°F (2017) | 34.0°F (2001) | 3.58 in (2011) |
| September 27 | 91.9°F (1998) | 35.1°F (1991) | 1.46 in (2002) |
| September 28 | 91.9°F (2019) | 35.1°F (1991) | 1.18 in (2024) |
| September 29 | 93.9°F (2019) | 37.9°F (1992) | 1.09 in (2015) |
| September 30 | 95.0°F (2019) | 36.0°F (1993) | 1.11 in (1988) |