Weather on September 16
Joliet, IL
55 Years of Data
Avg High
74°F
Avg Low
54°F
Warmest
1994
80°F avg
Coldest
2011
51°F avg
About This Date
September 16th in Joliet, IL typically brings pleasant fall weather, with average highs around 74°F and lows near 54°F. Over 54 years of records, the warmest September 16th was in 1994 (80°F average), while the coldest was 2011 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 16th dates historically, with the wettest September 16th recording 2.29" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for September 16th in Joliet, IL? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 57° | 71° | — | — |
| 2024 | 85° | 64° | 74° | — | — |
| 2023 | 77° | 51° | 64° | — | — |
| 2022 | 81° | 60° | 70° | — | — |
| 2021 | 78° | 55° | 67° | — | — |
| 2020 | 76° | 54° | 65° | — | — |
| 2019 | 79° | 62° | 70° | — | — |
| 2018 | 82° | 62° | 72° | — | — |
| 2017 | 85° | 60° | 72° | — | — |
| 2016 | 78° | 61° | 69° | — | — |
| 2015 | 81° | 57° | 69° | — | — |
| 2014 | 57° | 44° | 51° | 0.43" | — |
| 2013 | 64° | 56° | 60° | 0.91" | — |
| 2012 | 78° | 52° | 65° | — | — |
| 2011coldest | 61° | 41° | 51° | — | — |
| 2010 | 79° | 58° | 68° | 0.46" | — |
| 2009 | 83° | 60° | 71° | — | — |
| 2008 | 69° | 50° | 60° | 0.05" | — |
| 2007 | 64° | 41° | 53° | — | — |
| 2006 | 78° | 59° | 69° | — | — |
| 2005 | 69° | 60° | 65° | 1.24" | — |
| 2004 | 85° | 63° | 74° | 2.29" | — |
| 2003 | 74° | 53° | 63° | — | — |
| 2002 | 74° | 52° | 63° | — | — |
| 2001 | 68° | 53° | 61° | — | — |
| 2000 | 64° | 44° | 54° | — | — |
| 1999 | 70° | 46° | 58° | — | — |
| 1998 | 74° | 67° | 70° | 0.3" | — |
| 1997 | 83° | 63° | 73° | — | — |
| 1996 | 68° | 57° | 63° | — | — |
| 1995 | 79° | 55° | 67° | — | — |
| 1994warmest | 90° | 70° | 80° | — | — |
| 1993 | 54° | 52° | 53° | — | — |
| 1992 | 85° | 62° | 73° | — | — |
| 1991 | 80° | 54° | 67° | — | — |
| 1990 | 74° | 52° | 63° | — | — |
| 1989 | 68° | 50° | 59° | — | — |
| 1988 | 76° | 56° | 66° | — | — |
| 1987 | 80° | 64° | 72° | 0.03" | — |
| 1986 | 85° | 44° | 64° | — | — |
| 1985 | 74° | 46° | 60° | — | — |
| 1984 | 64° | 41° | 53° | — | — |
| 1983 | 62° | 51° | 57° | 1.07" | — |
| 1982 | 69° | 49° | 59° | — | — |
| 1981 | 74° | 49° | 61° | — | — |
| 1980 | 67° | 55° | 61° | 0.05" | — |
| 1979 | 71° | 44° | 58° | — | — |
| 1978 | 84° | 56° | 70° | — | — |
| 1977 | 67° | 53° | 60° | 2.03" | — |
| 1976 | 72° | 49° | 60° | — | — |
| 1975 | 65° | 53° | 59° | — | — |
| 1974 | 78° | 49° | 63° | — | — |
| 1973 | 75° | 51° | 63° | — | — |
| 1971 | 72° | 49° | 60° | — | — |
54 years of data from JOLIET