September weather in Aurora, IL
The average temperature in Aurora in September is 65.5°F (55.3°F–75.8°F). Average precipitation: 3.37 inches.
September is a fall month in Aurora, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.8°F
Avg Low
55.3°F
Precipitation
3.37 in
Daylight
12h 16m
September records in Aurora
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1953) | 39.0°F (1949) | 2.56 in (1989) |
| September 2 | 99.0°F (1953) | 34.0°F (1909) | 3.18 in (1930) |
| September 3 | 97.0°F (1939) | 39.0°F (1908) | 1.32 in (2010) |
| September 4 | 97.0°F (1925) | 39.0°F (1928) | 1.39 in (1910) |
| September 5 | 100.9°F (1899) | 39.9°F (1997) | 2.08 in (2008) |
| September 6 | 99.0°F (1922) | 39.0°F (1924) | 1.94 in (1970) |
| September 7 | 102.0°F (1939) | 39.0°F (1956) | 2.20 in (1998) |
| September 8 | 100.0°F (1922) | 37.9°F (1956) | 1.68 in (1995) |
| September 9 | 98.1°F (1897) | 41.0°F (1914) | 2.08 in (1965) |
| September 10 | 98.1°F (1897) | 37.0°F (1924) | 3.60 in (1992) |
| September 11 | 95.0°F (1931) | 30.9°F (1917) | 1.42 in (1918) |
| September 12 | 97.0°F (1897) | 35.1°F (1917) | 1.84 in (1936) |
| September 13 | 100.9°F (1939) | 33.1°F (1953) | 6.10 in (1978) |
| September 14 | 102.9°F (1939) | 33.1°F (1902) | 3.49 in (2008) |
| September 15 | 102.9°F (1939) | 35.1°F (1904) | 1.24 in (1926) |
| September 16 | 98.1°F (1927) | 28.9°F (1916) | 2.07 in (1936) |
| September 17 | 93.9°F (1927) | 33.1°F (1937) | 3.08 in (1987) |
| September 18 | 91.0°F (1935) | 30.0°F (1916) | 2.84 in (1911) |
| September 19 | 91.9°F (1925) | 30.0°F (1916) | 4.00 in (2001) |
| September 20 | 91.9°F (1931) | 28.9°F (1956) | 2.31 in (1906) |
| September 21 | 93.9°F (2018) | 35.1°F (1901) | 2.64 in (1947) |
| September 22 | 91.9°F (1937) | 30.9°F (1913) | 1.30 in (1898) |
| September 23 | 93.0°F (1937) | 28.0°F (1995) | 2.95 in (1926) |
| September 24 | 93.0°F (2017) | 28.0°F (1928) | 1.64 in (1961) |
| September 25 | 91.0°F (1900) | 26.1°F (1942) | 2.44 in (1941) |
| September 26 | 91.0°F (2017) | 25.0°F (1928) | 3.91 in (1951) |
| September 27 | 91.0°F (2017) | 27.0°F (1893) | 2.00 in (1996) |
| September 28 | 90.0°F (1939) | 25.0°F (1942) | 1.70 in (2019) |
| September 29 | 96.1°F (1953) | 28.9°F (1949) | 3.53 in (1906) |
| September 30 | 91.9°F (1897) | 24.1°F (1899) | 1.43 in (1893) |