Weather on September 14
Joliet, IL
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
2005
80°F avg
Coldest
2014
48°F avg
About This Date
September 14th in Joliet, IL typically brings pleasant fall weather, with average highs around 78°F and lows near 55°F. Over 54 years of records, the warmest September 14th was in 2005 (80°F average), while the coldest was 2014 (48°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 14th dates historically, with the wettest September 14th recording 6.6" 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 14th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 64° | 76° | — | — |
| 2024 | 84° | 57° | 71° | — | — |
| 2023 | 71° | 51° | 61° | — | — |
| 2022 | 76° | 51° | 63° | — | — |
| 2021 | 87° | 67° | 77° | — | — |
| 2020 | 75° | 55° | 65° | — | — |
| 2019 | 76° | 57° | 66° | 0.05" | — |
| 2018 | 81° | 59° | 70° | — | — |
| 2017 | 71° | 61° | 66° | 0.05" | — |
| 2016 | 84° | 60° | 72° | — | — |
| 2015 | 71° | 45° | 58° | — | — |
| 2014coldest | 59° | 38° | 48° | — | — |
| 2013 | 68° | 48° | 58° | — | — |
| 2012 | 75° | 52° | 63° | 0.53" | — |
| 2011 | 75° | 56° | 65° | — | — |
| 2010 | 83° | 56° | 69° | — | — |
| 2009 | 80° | 56° | 68° | — | — |
| 2008 | 78° | 68° | 73° | 6.6" | — |
| 2007 | 73° | 46° | 60° | — | — |
| 2006 | 64° | 58° | 61° | 2.44" | — |
| 2005warmest | 93° | 67° | 80° | — | — |
| 2004 | 86° | 55° | 71° | — | — |
| 2003 | 85° | 67° | 76° | 1.07" | — |
| 2002 | 80° | 54° | 67° | — | — |
| 2001 | 69° | 51° | 60° | 0.05" | — |
| 2000 | 81° | 53° | 67° | 0.51" | — |
| 1999 | 79° | 50° | 64° | — | — |
| 1998 | 91° | 58° | 74° | 0.08" | — |
| 1997 | 77° | 54° | 65° | — | — |
| 1996 | 63° | 48° | 55° | — | — |
| 1995 | 85° | 58° | 71° | — | — |
| 1994 | 87° | 72° | 79° | — | — |
| 1993 | 80° | 59° | 70° | 5" | — |
| 1992 | 79° | 47° | 63° | — | — |
| 1991 | 94° | 65° | 79° | — | — |
| 1990 | 85° | 65° | 75° | — | — |
| 1989 | 60° | 50° | 55° | 0.3" | — |
| 1988 | 72° | 52° | 62° | — | — |
| 1987 | 80° | 50° | 65° | — | — |
| 1986 | 80° | 46° | 63° | — | — |
| 1985 | 68° | 43° | 55° | — | — |
| 1984 | 81° | 63° | 72° | 0.71" | — |
| 1983 | 71° | 47° | 59° | — | — |
| 1982 | 82° | 53° | 68° | 0.71" | — |
| 1981 | 86° | 56° | 71° | 0.05" | — |
| 1980 | 85° | 63° | 74° | — | — |
| 1979 | 72° | 49° | 60° | — | — |
| 1978 | 90° | 65° | 77° | 0.3" | — |
| 1977 | 65° | 49° | 57° | 0.81" | — |
| 1976 | 84° | 58° | 71° | — | — |
| 1975 | 76° | 53° | 64° | — | — |
| 1974 | 69° | 40° | 54° | — | — |
| 1973 | 79° | 56° | 67° | 0.05" | — |
| 1971 | 91° | 52° | 71° | — | — |
54 years of data from JOLIET