September weather in Arlington Heights, OH
The average temperature in Arlington Heights in September is 67.8°F (55.9°F–79.7°F). Average precipitation: 3.07 inches.
September is a fall month in Arlington Heights, and is warmer than the annual average of 54.8°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
79.7°F
Avg Low
55.9°F
Precipitation
3.07 in
Daylight
12h 14m
September records in Arlington Heights
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1951) | 46.9°F (1967) | 1.68 in (2003) |
| September 2 | 99.0°F (2011) | 44.1°F (1949) | 1.59 in (1971) |
| September 3 | 99.0°F (2011) | 50.0°F (1952) | 3.24 in (1971) |
| September 4 | 97.0°F (2007) | 45.0°F (1952) | 1.95 in (2015) |
| September 5 | 98.1°F (2007) | 46.0°F (1974) | 2.04 in (2022) |
| September 6 | 97.0°F (1998) | 43.0°F (1962) | 0.73 in (1961) |
| September 7 | 96.1°F (1964) | 42.1°F (1962) | 1.56 in (2009) |
| September 8 | 96.1°F (2002) | 43.0°F (1951) | 2.84 in (2018) |
| September 9 | 98.1°F (1964) | 43.0°F (2024) | 1.11 in (2018) |
| September 10 | 100.0°F (1964) | 44.1°F (2017) | 1.10 in (1957) |
| September 11 | 93.9°F (1983) | 45.0°F (1958) | 1.84 in (1965) |
| September 12 | 93.9°F (1999) | 46.0°F (1959) | 2.11 in (1965) |
| September 13 | 95.0°F (1991) | 43.0°F (1958) | 2.15 in (1979) |
| September 14 | 96.1°F (1998) | 39.9°F (1964) | 2.88 in (1979) |
| September 15 | 93.0°F (1970) | 44.1°F (1964) | 1.50 in (2002) |
| September 16 | 93.0°F (1991) | 41.0°F (2007) | 2.03 in (1996) |
| September 17 | 91.0°F (1970) | 39.9°F (1959) | 1.78 in (1958) |
| September 18 | 91.9°F (1983) | 42.1°F (1959) | 0.89 in (1992) |
| September 19 | 93.9°F (2024) | 39.9°F (2012) | 1.54 in (1966) |
| September 20 | 95.0°F (2024) | 33.1°F (1998) | 1.62 in (2013) |
| September 21 | 96.1°F (2024) | 33.1°F (1962) | 1.86 in (1979) |
| September 22 | 96.1°F (2010) | 37.0°F (1999) | 2.43 in (2003) |
| September 23 | 96.1°F (2010) | 35.1°F (1974) | 2.26 in (2000) |
| September 24 | 96.1°F (2007) | 36.0°F (1983) | 1.78 in (1984) |
| September 25 | 95.0°F (2007) | 36.0°F (1950) | 1.83 in (2000) |
| September 26 | 91.0°F (1998) | 36.0°F (1950) | 2.21 in (2011) |
| September 27 | 91.9°F (1998) | 37.9°F (1961) | 2.59 in (2024) |
| September 28 | 91.9°F (1959) | 37.9°F (1989) | 1.03 in (2024) |
| September 29 | 91.0°F (2019) | 34.0°F (1951) | 1.37 in (1972) |
| September 30 | 95.0°F (2019) | 32.0°F (1963) | 0.81 in (1965) |