Weather on September 2
Joliet, IL
55 Years of Data
Avg High
81°F
Avg Low
61°F
Warmest
2011
83°F avg
Coldest
2017
58°F avg
About This Date
September 2nd in Joliet, IL typically brings warm fall weather, with average highs around 81°F and lows near 61°F. Over 54 years of records, the warmest September 2nd was in 2011 (83°F average), while the coldest was 2017 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 26% of September 2nd dates historically, with the wettest September 2nd recording 3" of rain. The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for September 2nd in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 57° | 67° | — | — |
| 2024 | 80° | 58° | 69° | — | — |
| 2023 | 82° | 57° | 70° | — | — |
| 2022 | 84° | 63° | 73° | — | — |
| 2021 | 78° | 61° | 69° | — | — |
| 2020 | 74° | 68° | 71° | 1.04" | — |
| 2019 | 70° | 60° | 65° | — | — |
| 2018 | 85° | 69° | 77° | 0.15" | — |
| 2017coldest | 69° | 46° | 58° | — | — |
| 2016 | 74° | 60° | 67° | — | — |
| 2015 | 87° | 70° | 78° | — | — |
| 2014 | 81° | 68° | 74° | — | — |
| 2013 | 84° | 64° | 74° | 3" | — |
| 2012 | 77° | 70° | 73° | 0.91" | — |
| 2011warmest | 94° | 72° | 83° | — | — |
| 2010 | 79° | 68° | 73° | 0.89" | — |
| 2009 | 74° | 48° | 61° | — | — |
| 2008 | 88° | 64° | 76° | — | — |
| 2007 | 80° | 58° | 69° | — | — |
| 2006 | 75° | 58° | 66° | — | — |
| 2005 | 84° | 59° | 72° | — | — |
| 2004 | 81° | 61° | 71° | — | — |
| 2003 | 65° | 61° | 63° | 2.21" | — |
| 2002 | 86° | 65° | 75° | — | — |
| 2001 | 84° | 53° | 69° | — | — |
| 2000 | 93° | 70° | 81° | — | — |
| 1999 | 84° | 59° | 72° | — | — |
| 1998 | 79° | 59° | 69° | — | — |
| 1997 | 83° | 60° | 71° | — | — |
| 1996 | 83° | 61° | 72° | — | — |
| 1995 | 79° | 56° | 67° | — | — |
| 1994 | 69° | 51° | 60° | — | — |
| 1993 | 76° | 56° | 66° | 0.03" | — |
| 1992 | 77° | 53° | 65° | — | — |
| 1991 | 86° | 63° | 74° | — | — |
| 1990 | 87° | 66° | 77° | — | — |
| 1989 | 80° | 59° | 70° | 0.13" | — |
| 1988 | 83° | 62° | 72° | 0.03" | — |
| 1987 | 78° | 49° | 63° | — | — |
| 1986 | 84° | 51° | 68° | — | — |
| 1985 | 83° | 64° | 73° | — | — |
| 1984 | 95° | 58° | 76° | — | — |
| 1983 | 86° | 60° | 73° | — | — |
| 1982 | 85° | 62° | 73° | 0.76" | — |
| 1981 | 76° | 61° | 68° | 0.05" | — |
| 1980 | 79° | 64° | 71° | 0.05" | — |
| 1979 | 84° | 65° | 74° | — | — |
| 1978 | 85° | 55° | 70° | — | — |
| 1977 | 80° | 63° | 71° | 2.49" | — |
| 1976 | 76° | 53° | 64° | — | — |
| 1975 | 84° | 61° | 72° | — | — |
| 1974 | 69° | 53° | 61° | 0.28" | — |
| 1973 | 93° | 70° | 81° | — | — |
| 1971 | 90° | 70° | 80° | — | — |
54 years of data from JOLIET