September weather in Ramsey, IL
The average temperature in Ramsey in September is 66.3°F (53.7°F–79.0°F). Average precipitation: 3.16 inches.
September is a fall month in Ramsey, and is warmer than the annual average of 52.5°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
79.0°F
Avg Low
53.7°F
Precipitation
3.16 in
Daylight
12h 14m
September records in Ramsey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2011) | 48.0°F (2009) | 4.06 in (2012) |
| September 2 | 100.0°F (2011) | 43.0°F (2017) | 2.99 in (2003) |
| September 3 | 100.0°F (2011) | 45.0°F (2017) | 1.88 in (2010) |
| September 4 | 99.0°F (2011) | 48.0°F (1997) | 0.73 in (1991) |
| September 5 | 96.1°F (1999) | 42.1°F (1997) | 1.70 in (2008) |
| September 6 | 93.9°F (1999) | 46.0°F (2011) | 1.32 in (2014) |
| September 7 | 93.9°F (2015) | 42.1°F (2017) | 1.53 in (2007) |
| September 8 | 93.9°F (2002) | 43.0°F (2017) | 1.55 in (1996) |
| September 9 | 96.1°F (2002) | 43.0°F (2017) | 1.76 in (2015) |
| September 10 | 96.1°F (2013) | 43.0°F (1999) | 2.18 in (2015) |
| September 11 | 98.1°F (2013) | 43.0°F (1993) | 1.69 in (2014) |
| September 12 | 96.1°F (2013) | 44.1°F (1997) | 2.68 in (1974) |
| September 13 | 95.0°F (1991) | 41.0°F (2014) | 0.54 in (2008) |
| September 14 | 93.9°F (1991) | 39.0°F (2014) | 0.61 in (2005) |
| September 15 | 93.9°F (1991) | 36.0°F (2007) | 1.51 in (2008) |
| September 16 | 93.9°F (1991) | 39.0°F (2011) | 0.81 in (1996) |
| September 17 | 91.9°F (1997) | 41.0°F (2000) | 1.35 in (1980) |
| September 18 | 91.9°F (1997) | 41.0°F (1999) | 1.12 in (2002) |
| September 19 | 91.9°F (1997) | 37.0°F (1991) | 1.15 in (2001) |
| September 20 | 93.0°F (2005) | 32.0°F (1991) | 1.89 in (1986) |
| September 21 | 93.0°F (2005) | 33.1°F (1991) | 0.83 in (2021) |
| September 22 | 95.0°F (2017) | 34.0°F (1991) | 0.28 in (2003) |
| September 23 | 95.0°F (2017) | 27.0°F (1995) | 2.76 in (1984) |
| September 24 | 93.9°F (2007) | 30.0°F (1995) | 0.74 in (1993) |
| September 25 | 93.0°F (2017) | 33.1°F (1995) | 1.02 in (2000) |
| September 26 | 91.9°F (2017) | 37.0°F (2000) | 1.20 in (2005) |
| September 27 | 91.9°F (2017) | 36.0°F (1991) | 1.39 in (2003) |
| September 28 | 90.0°F (1998) | 36.0°F (1991) | 0.31 in (2020) |
| September 29 | 90.0°F (1999) | 36.0°F (1992) | 1.50 in (1987) |
| September 30 | 89.1°F (2019) | 34.0°F (1992) | 1.50 in (1986) |