Weather on September 4
Chicago, IL
55 Years of Data
Avg High
78°F
Avg Low
63°F
Warmest
2007
83°F avg
Coldest
2025
58°F avg
About This Date
September 4th in Chicago, IL typically brings pleasant fall weather, with average highs around 78°F and lows near 63°F. Over 53 years of records, the warmest September 4th was in 2007 (83°F average), while the coldest was 2025 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 4th dates historically, with the wettest September 4th recording 3.94" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 4th in Chicago, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 66° | 50° | 58° | — | — |
| 2024 | 76° | 61° | 68° | — | — |
| 2023 | 93° | 71° | 82° | — | — |
| 2022 | 71° | 67° | 69° | — | — |
| 2021 | 74° | 64° | 69° | — | — |
| 2020 | 78° | 60° | 69° | — | — |
| 2019 | 70° | 61° | 65° | — | — |
| 2018 | 92° | 72° | 82° | — | — |
| 2017 | 82° | 66° | 74° | — | — |
| 2016 | 78° | 63° | 70° | — | — |
| 2015 | 74° | 68° | 71° | — | — |
| 2014 | 85° | 69° | 77° | — | — |
| 2013 | 83° | 63° | 73° | — | — |
| 2012 | 87° | 68° | 78° | — | — |
| 2011 | 77° | 62° | 70° | — | — |
| 2010 | 70° | 56° | 63° | — | — |
| 2009 | 71° | 63° | 67° | — | — |
| 2008 | 70° | 65° | 67° | — | — |
| 2007warmest | 94° | 73° | 83° | — | — |
| 2006 | 70° | 63° | 66° | — | — |
| 2005 | 77° | 67° | 72° | — | — |
| 2004 | 84° | 68° | 76° | — | — |
| 2003 | 72° | 59° | 65° | — | — |
| 2002 | 85° | 62° | 73° | — | — |
| 2001 | 76° | 64° | 70° | — | — |
| 2000 | 72° | 62° | 67° | 0.05" | — |
| 1999 | 91° | 69° | 80° | — | — |
| 1998 | 78° | 66° | 72° | — | — |
| 1997 | 69° | 49° | 59° | — | — |
| 1994 | 69° | 56° | 62° | 0.1" | — |
| 1993 | 72° | 58° | 65° | — | — |
| 1992 | 82° | 57° | 70° | — | — |
| 1991 | 87° | 65° | 76° | 3.94" | — |
| 1990 | 89° | 66° | 78° | — | — |
| 1989 | 77° | 60° | 69° | — | — |
| 1988 | 84° | 62° | 73° | 0.28" | — |
| 1987 | 72° | 58° | 65° | — | — |
| 1986 | 84° | 69° | 77° | 0.23" | — |
| 1985 | 85° | 73° | 79° | — | — |
| 1984 | 70° | 55° | 62° | — | — |
| 1983 | 91° | 68° | 80° | — | — |
| 1982 | 77° | 54° | 65° | — | — |
| 1981 | 74° | 63° | 68° | 0.41" | — |
| 1980 | 84° | 70° | 77° | — | — |
| 1979 | 76° | 60° | 68° | — | — |
| 1978 | 76° | 60° | 68° | — | — |
| 1977 | 83° | 65° | 74° | — | — |
| 1976 | 80° | 69° | 75° | — | — |
| 1975 | 72° | 65° | 68° | — | — |
| 1974 | 62° | 55° | 59° | — | — |
| 1973 | 81° | 65° | 73° | — | — |
| 1972 | 65° | 57° | 61° | — | — |
| 1971 | 87° | 71° | 79° | 0.97" | — |
53 years of data from CHICAGO GRANT PARK