Weather on September 13
Joliet, IL
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
1991
80°F avg
Coldest
2014
47°F avg
About This Date
September 13th in Joliet, IL typically brings pleasant fall weather, with average highs around 79°F and lows near 56°F. Over 54 years of records, the warmest September 13th was in 1991 (80°F average), while the coldest was 2014 (47°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 28% of September 13th dates historically, with the wettest September 13th recording 5.33" 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 13th in Joliet, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 66° | 74° | — | — |
| 2024 | 87° | 60° | 74° | — | — |
| 2023 | 72° | 52° | 62° | — | — |
| 2022 | 64° | 53° | 59° | 0.38" | — |
| 2021 | 86° | — | — | — | — |
| 2020 | 72° | 60° | 66° | 1.27" | — |
| 2019 | 86° | 69° | 78° | 1.17" | — |
| 2018 | 81° | 58° | 69° | — | — |
| 2017 | 75° | 57° | 66° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 66° | 46° | 56° | — | — |
| 2014coldest | 56° | 39° | 47° | 0.28" | — |
| 2013 | 81° | 54° | 67° | — | — |
| 2012 | 85° | 59° | 72° | — | — |
| 2011 | 84° | — | — | — | — |
| 2010 | 83° | 52° | 67° | — | — |
| 2009 | 79° | 60° | 69° | — | — |
| 2008 | 71° | 68° | 70° | 5.33" | — |
| 2007 | 70° | 45° | 57° | — | — |
| 2006 | 83° | 57° | 70° | 3.3" | — |
| 2005 | 90° | 67° | 78° | — | — |
| 2004 | 84° | 56° | 70° | — | — |
| 2003 | 84° | 61° | 72° | — | — |
| 2002 | 79° | 53° | 66° | — | — |
| 2001 | 84° | 58° | 71° | — | — |
| 2000 | 73° | 53° | 63° | — | — |
| 1999 | 79° | 55° | 67° | 0.89" | — |
| 1998 | 90° | 58° | 74° | — | — |
| 1997 | 75° | 54° | 64° | — | — |
| 1996 | 66° | 49° | 57° | 0.76" | — |
| 1995 | 77° | 58° | 67° | — | — |
| 1994 | 86° | 63° | 74° | — | — |
| 1993 | 78° | 59° | 69° | — | — |
| 1992 | 73° | 47° | 60° | — | — |
| 1991warmest | 95° | 65° | 80° | 0.03" | — |
| 1990 | 84° | 65° | 74° | — | — |
| 1989 | 69° | 52° | 60° | 1.02" | — |
| 1988 | 84° | 64° | 74° | — | — |
| 1987 | 80° | 50° | 65° | 0.03" | — |
| 1986 | 76° | 46° | 61° | — | — |
| 1985 | 67° | 45° | 56° | — | — |
| 1984 | 87° | 58° | 72° | — | — |
| 1983 | 76° | 54° | 65° | — | — |
| 1982 | 84° | 52° | 68° | — | — |
| 1981 | 85° | 62° | 73° | — | — |
| 1980 | 77° | 58° | 67° | 0.38" | — |
| 1979 | 84° | 61° | 72° | — | — |
| 1978 | 88° | 68° | 78° | 0.05" | — |
| 1977 | 65° | 56° | 60° | 2.44" | — |
| 1976 | 82° | 53° | 68° | — | — |
| 1975 | 72° | 48° | 60° | — | — |
| 1974 | 68° | 53° | 61° | 2.92" | — |
| 1973 | 78° | 49° | 63° | — | — |
| 1971 | 81° | 53° | 67° | — | — |
54 years of data from JOLIET