Weather on September 8
Chicago, IL
55 Years of Data
Avg High
77°F
Avg Low
63°F
Warmest
1985
85°F avg
Coldest
1986
59°F avg
About This Date
September 8th in Chicago, IL typically brings pleasant fall weather, with average highs around 77°F and lows near 63°F. Over 53 years of records, the warmest September 8th was in 1985 (85°F average), while the coldest was 1986 (59°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 11% of September 8th dates historically, with the wettest September 8th recording 2.59" of rain. The last decade has been 6.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.9°F cooler on this date compared to 20-30 years ago.
Planning for September 8th in Chicago, IL? Great weather for outdoor activities.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 53° | 62° | — | — |
| 2024 | 72° | 54° | 63° | — | — |
| 2023 | 69° | 60° | 65° | 0.08" | — |
| 2022 | 77° | 64° | 71° | — | — |
| 2021 | 79° | 64° | 71° | — | — |
| 2020 | 66° | 60° | 63° | — | — |
| 2019 | 66° | 61° | 63° | — | — |
| 2018 | 67° | 62° | 64° | — | — |
| 2017 | 66° | 61° | 63° | — | — |
| 2016 | 82° | 72° | 77° | — | — |
| 2015 | 85° | 68° | 76° | — | — |
| 2014 | 73° | 62° | 68° | — | — |
| 2013 | 75° | 70° | 72° | — | — |
| 2012 | 75° | 58° | 66° | — | — |
| 2011 | 72° | 65° | 68° | — | — |
| 2010 | 70° | 58° | 64° | — | — |
| 2009 | 74° | 67° | 70° | — | — |
| 2008 | 71° | 56° | 63° | — | — |
| 2007 | 76° | 69° | 72° | — | — |
| 2006 | 84° | 66° | 75° | — | — |
| 2005 | 77° | 71° | 74° | — | — |
| 2004 | 71° | 63° | 67° | — | — |
| 2003 | 82° | 66° | 74° | — | — |
| 2002 | 94° | 68° | 81° | — | — |
| 2001 | 87° | 70° | 78° | — | — |
| 2000 | 84° | 71° | 78° | — | — |
| 1999 | 86° | 64° | 75° | — | — |
| 1998 | 70° | 56° | 63° | — | — |
| 1997 | 72° | 64° | 68° | — | — |
| 1994 | 80° | 61° | 70° | — | — |
| 1993 | 75° | 58° | 66° | — | — |
| 1992 | 84° | 59° | 72° | 0.86" | — |
| 1991 | 88° | 70° | 79° | — | — |
| 1990 | 77° | 65° | 71° | — | — |
| 1989 | 84° | 70° | 77° | 0.05" | — |
| 1988 | 79° | 55° | 67° | — | — |
| 1987 | 77° | 66° | 72° | 0.05" | — |
| 1986coldest | 71° | 47° | 59° | — | — |
| 1985warmest | 95° | 76° | 85° | — | — |
| 1984 | 88° | 66° | 77° | — | — |
| 1983 | 87° | 60° | 74° | — | — |
| 1982 | 72° | 58° | 65° | — | — |
| 1981 | 75° | 57° | 66° | 1.73" | — |
| 1980 | 80° | 64° | 72° | 2.59" | — |
| 1979 | 66° | 55° | 61° | — | — |
| 1978 | 93° | 71° | 82° | — | — |
| 1977 | 73° | 63° | 68° | — | — |
| 1976 | 90° | 68° | 79° | — | — |
| 1975 | 65° | 58° | 61° | — | — |
| 1974 | 81° | 61° | 71° | — | — |
| 1973 | 70° | — | — | — | — |
| 1972 | 68° | 63° | 65° | — | — |
| 1971 | 95° | 70° | 82° | — | — |
53 years of data from CHICAGO GRANT PARK