September weather in Indian Head Park, IL
The average temperature in Indian Head Park in September is 67.4°F (55.0°F–79.8°F). Average precipitation: 3.45 inches.
September is a fall month in Indian Head Park, and is warmer than the annual average of 51.4°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
79.8°F
Avg Low
55.0°F
Precipitation
3.45 in
Daylight
12h 16m
September records in Indian Head Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (2018) | 53.1°F (2017) | 1.57 in (2019) |
| September 2 | 87.1°F (2018) | 52.0°F (2017) | 2.70 in (2020) |
| September 3 | 91.0°F (2020) | 48.0°F (2017) | 1.51 in (1993) |
| September 4 | 93.9°F (2018) | 51.1°F (2020) | 1.13 in (2011) |
| September 5 | 91.9°F (2014) | 50.0°F (2020) | 2.50 in (2008) |
| September 6 | 93.0°F (2018) | 48.0°F (2017) | 0.61 in (2023) |
| September 7 | 96.1°F (2016) | 48.0°F (2017) | 2.65 in (1998) |
| September 8 | 95.0°F (2016) | 51.1°F (2017) | 0.92 in (2007) |
| September 9 | 84.0°F (2016) | 52.0°F (2017) | 1.03 in (2008) |
| September 10 | 88.0°F (2014) | 45.0°F (2017) | 1.17 in (2014) |
| September 11 | 91.9°F (2019) | 45.0°F (2017) | 0.82 in (2000) |
| September 12 | 90.0°F (2019) | 48.9°F (2014) | 2.62 in (2000) |
| September 13 | 89.1°F (2018) | 39.9°F (2014) | 2.86 in (2008) |
| September 14 | 88.0°F (2016) | 41.0°F (2014) | 2.48 in (2008) |
| September 15 | 93.0°F (2018) | 39.9°F (2014) | 1.21 in (2008) |
| September 16 | 91.9°F (2017) | 42.1°F (2014) | 0.82 in (2004) |
| September 17 | 95.0°F (2018) | 43.0°F (2014) | 1.41 in (1997) |
| September 18 | 90.0°F (2017) | 39.0°F (2016) | 0.42 in (2002) |
| September 19 | 87.1°F (2018) | 39.9°F (2020) | 1.46 in (2001) |
| September 20 | 90.0°F (2016) | 41.0°F (2020) | 0.49 in (2002) |
| September 21 | 90.0°F (2017) | 44.1°F (2020) | 0.80 in (1998) |
| September 22 | 100.0°F (2017) | 45.0°F (2014) | 0.76 in (2019) |
| September 23 | 99.0°F (2017) | 42.1°F (2014) | 1.09 in (2024) |
| September 24 | 99.0°F (2017) | 46.0°F (2014) | 0.60 in (2001) |
| September 25 | 96.1°F (2017) | 52.0°F (2018) | 0.40 in (2024) |
| September 26 | 99.0°F (2017) | 48.0°F (2018) | 1.04 in (1993) |
| September 27 | 97.0°F (2017) | 48.0°F (2016) | 1.49 in (1996) |
| September 28 | 80.1°F (2014) | 45.0°F (2018) | 2.80 in (2019) |
| September 29 | 77.0°F (2014) | 39.0°F (2018) | 1.13 in (2019) |
| September 30 | 75.0°F (2017) | 46.0°F (2020) | 0.52 in (2016) |