September weather in Carlock, IL
The average temperature in Carlock in September is 67.1°F (54.5°F–79.7°F). Average precipitation: 3.21 inches.
September is a fall month in Carlock, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.7°F
Avg Low
54.5°F
Precipitation
3.21 in
Daylight
12h 15m
September records in Carlock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2011) | 45.0°F (2009) | 2.75 in (2003) |
| September 2 | 100.0°F (2011) | 41.0°F (2017) | 1.89 in (1993) |
| September 3 | 99.0°F (2011) | 46.0°F (2009) | 0.98 in (1997) |
| September 4 | 95.0°F (2011) | 42.1°F (1997) | 0.95 in (1991) |
| September 5 | 97.0°F (2007) | 45.0°F (2003) | 0.95 in (2022) |
| September 6 | 95.0°F (1998) | 42.1°F (2025) | 1.60 in (1993) |
| September 7 | 96.1°F (1998) | 37.9°F (2025) | 0.74 in (2020) |
| September 8 | 93.0°F (2002) | 39.0°F (2024) | 1.61 in (1992) |
| September 9 | 93.0°F (2002) | 41.0°F (1998) | 1.69 in (2015) |
| September 10 | 97.0°F (2013) | 41.0°F (1999) | 2.24 in (2014) |
| September 11 | 98.1°F (2013) | 41.0°F (1999) | 0.45 in (2015) |
| September 12 | 96.1°F (2013) | 39.9°F (2007) | 1.02 in (2020) |
| September 13 | 93.0°F (1998) | 39.9°F (2007) | 0.46 in (2008) |
| September 14 | 96.1°F (2025) | 37.0°F (1996) | 4.13 in (1993) |
| September 15 | 93.0°F (2025) | 33.1°F (2007) | 0.81 in (2008) |
| September 16 | 91.9°F (2025) | 36.0°F (2000) | 2.14 in (2004) |
| September 17 | 96.1°F (2018) | 36.0°F (1999) | 0.67 in (2016) |
| September 18 | 95.0°F (2018) | 39.9°F (1996) | 0.11 in (1998) |
| September 19 | 93.9°F (2025) | 39.9°F (1996) | 3.04 in (2015) |
| September 20 | 96.1°F (2018) | 37.0°F (2003) | 0.95 in (2005) |
| September 21 | 97.0°F (2022) | 37.9°F (1999) | 1.25 in (2021) |
| September 22 | 93.9°F (2017) | 30.9°F (1999) | 1.27 in (2023) |
| September 23 | 96.1°F (2017) | 33.1°F (1999) | 1.07 in (1994) |
| September 24 | 97.0°F (2017) | 30.0°F (2012) | 0.79 in (2005) |
| September 25 | 93.9°F (2017) | 35.1°F (2001) | 0.70 in (2024) |
| September 26 | 95.0°F (2017) | 33.1°F (2000) | 1.21 in (1993) |
| September 27 | 93.0°F (1998) | 34.0°F (2000) | 1.30 in (2011) |
| September 28 | 91.9°F (2021) | 34.0°F (2022) | 2.03 in (2019) |
| September 29 | 91.9°F (2025) | 30.9°F (2003) | 0.82 in (2005) |
| September 30 | 91.9°F (2025) | 33.1°F (1999) | 0.61 in (2019) |