September weather in Gilberts, IL
The average temperature in Gilberts in September is 64.3°F (52.8°F–75.7°F). Average precipitation: 3.53 inches.
September is a fall month in Gilberts, and is warmer than the annual average of 49°F. Daily temperatures swing about 22.9°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
75.7°F
Avg Low
52.8°F
Precipitation
3.53 in
Daylight
12h 16m
September records in Gilberts
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1913) | 43.0°F (1915) | 2.44 in (1989) |
| September 2 | 97.0°F (1913) | 45.0°F (2017) | 2.79 in (1934) |
| September 3 | 93.9°F (1922) | 45.0°F (2017) | 2.32 in (2010) |
| September 4 | 99.0°F (1925) | 44.1°F (1997) | 1.20 in (1991) |
| September 5 | 99.0°F (1899) | 44.1°F (1988) | 2.82 in (2008) |
| September 6 | 93.9°F (1912) | 41.0°F (1988) | 2.28 in (1923) |
| September 7 | 97.0°F (1922) | 37.9°F (1986) | 2.22 in (1970) |
| September 8 | 98.1°F (1922) | 39.0°F (1986) | 1.62 in (1925) |
| September 9 | 95.0°F (1922) | 42.1°F (1914) | 2.44 in (1980) |
| September 10 | 93.0°F (1978) | 37.9°F (1917) | 1.60 in (1922) |
| September 11 | 93.0°F (1906) | 34.0°F (1917) | 2.43 in (1925) |
| September 12 | 91.0°F (2005) | 37.0°F (1917) | 2.65 in (2000) |
| September 13 | 90.0°F (1998) | 39.0°F (1923) | 3.75 in (2008) |
| September 14 | 93.0°F (1998) | 34.0°F (1923) | 2.75 in (1961) |
| September 15 | 90.0°F (1994) | 35.1°F (2007) | 1.59 in (1927) |
| September 16 | 93.0°F (1906) | 32.0°F (1916) | 1.88 in (1936) |
| September 17 | 95.0°F (1906) | 36.0°F (1918) | 1.33 in (1987) |
| September 18 | 93.0°F (1906) | 34.0°F (1916) | 2.25 in (1983) |
| September 19 | 90.0°F (1906) | 37.0°F (2012) | 2.72 in (1950) |
| September 20 | 90.0°F (2021) | 36.0°F (1918) | 0.85 in (1924) |
| September 21 | 91.9°F (2018) | 36.0°F (1991) | 3.22 in (1947) |
| September 22 | 93.0°F (2017) | 33.1°F (1913) | 1.33 in (1973) |
| September 23 | 91.9°F (2017) | 28.9°F (1995) | 3.00 in (1926) |
| September 24 | 93.0°F (2017) | 28.9°F (1995) | 2.63 in (1970) |
| September 25 | 93.0°F (2017) | 33.1°F (2012) | 2.43 in (1941) |
| September 26 | 91.9°F (2017) | 30.0°F (1926) | 2.05 in (2011) |
| September 27 | 90.0°F (1998) | 30.0°F (1899) | 1.81 in (1996) |
| September 28 | 87.1°F (2021) | 30.9°F (1991) | 3.20 in (1999) |
| September 29 | 84.9°F (1898) | 34.0°F (1916) | 3.01 in (1906) |
| September 30 | 90.0°F (2025) | 25.0°F (1899) | 1.90 in (1973) |