September weather in Perry, IL
The average temperature in Perry in September is 67.0°F (54.2°F–79.9°F). Average precipitation: 3.59 inches.
September is a fall month in Perry, and is warmer than the annual average of 53.3°F. Daily temperatures swing about 25.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.9°F
Avg Low
54.2°F
Precipitation
3.59 in
Daylight
12h 15m
September records in Perry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (2013) | 44.1°F (2009) | 5.05 in (2003) |
| September 2 | 102.9°F (2011) | 42.1°F (2017) | 0.91 in (2020) |
| September 3 | 100.0°F (2011) | 48.0°F (2009) | 3.38 in (1993) |
| September 4 | 96.1°F (2011) | 43.0°F (1997) | 2.28 in (2008) |
| September 5 | 97.0°F (2007) | 43.0°F (1997) | 2.34 in (2008) |
| September 6 | 93.9°F (1998) | 39.9°F (2011) | 1.22 in (1993) |
| September 7 | 95.0°F (1998) | 42.1°F (2011) | 1.01 in (1995) |
| September 8 | 93.0°F (2013) | 42.1°F (2017) | 1.56 in (2013) |
| September 9 | 91.0°F (2002) | 42.1°F (1998) | 0.98 in (1996) |
| September 10 | 95.0°F (2013) | 37.9°F (2022) | 5.14 in (2014) |
| September 11 | 95.0°F (2013) | 41.0°F (1993) | 1.12 in (2006) |
| September 12 | 93.9°F (2000) | 39.0°F (2007) | 2.79 in (2006) |
| September 13 | 93.0°F (1998) | 37.0°F (2014) | 0.34 in (2008) |
| September 14 | 91.0°F (2005) | 37.0°F (2014) | 4.42 in (2008) |
| September 15 | 91.0°F (1994) | 32.0°F (2007) | 0.68 in (1998) |
| September 16 | 91.0°F (2017) | 32.0°F (2007) | 0.94 in (2014) |
| September 17 | 93.0°F (1997) | 36.0°F (1999) | 0.76 in (1997) |
| September 18 | 91.9°F (2007) | 42.1°F (1999) | 0.67 in (2006) |
| September 19 | 93.9°F (2007) | 37.0°F (2012) | 1.80 in (2022) |
| September 20 | 91.9°F (2005) | 35.1°F (2006) | 1.00 in (2005) |
| September 21 | 95.0°F (2017) | 39.0°F (2000) | 0.81 in (1992) |
| September 22 | 91.9°F (2007) | 34.0°F (1995) | 2.79 in (2003) |
| September 23 | 93.9°F (2017) | 27.0°F (1995) | 1.69 in (1993) |
| September 24 | 93.9°F (2007) | 24.1°F (1992) | 1.08 in (2024) |
| September 25 | 93.0°F (2007) | 35.1°F (2001) | 2.24 in (2012) |
| September 26 | 91.9°F (2017) | 34.0°F (2000) | 0.91 in (1996) |
| September 27 | 90.0°F (2017) | 39.0°F (2010) | 0.87 in (2003) |
| September 28 | 89.1°F (2021) | 36.0°F (2022) | 0.77 in (2020) |
| September 29 | 84.9°F (2014) | 30.9°F (1992) | 0.67 in (1999) |
| September 30 | 89.1°F (2002) | 33.1°F (1992) | 0.12 in (2015) |