Weather on September 6
Naperville, IL
55 Years of Data
Avg High
82°F
Avg Low
56°F
Warmest
1990
84°F avg
Coldest
2025
54°F avg
About This Date
September 6th in Naperville, IL typically brings warm fall weather, with average highs around 82°F and lows near 56°F — a 26°F daily swing. Over 55 years of records, the warmest September 6th was in 1990 (84°F average), while the coldest was 2025 (54°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 6th dates historically, with the wettest September 6th recording 2.31" of rain. The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
Planning for September 6th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 67° | 42° | 54° | — | — |
| 2024 | 85° | 55° | 70° | — | — |
| 2023 | 89° | 64° | 77° | 0.99" | — |
| 2022 | 71° | 63° | 67° | — | — |
| 2021 | 83° | 56° | 69° | — | — |
| 2020 | 86° | 55° | 71° | 0.05" | — |
| 2019 | 75° | 55° | 65° | — | — |
| 2018 | 90° | 63° | 76° | 0.46" | — |
| 2017 | 70° | 47° | 58° | — | — |
| 2016 | 89° | 55° | 72° | — | — |
| 2015 | 87° | 68° | 78° | — | — |
| 2014 | 87° | 58° | 72° | 2.31" | — |
| 2013 | 75° | 55° | 65° | — | — |
| 2012 | 86° | 62° | 74° | 0.74" | — |
| 2011 | 68° | 45° | 56° | — | — |
| 2010 | 77° | 47° | 62° | — | — |
| 2009 | 79° | 56° | 67° | — | — |
| 2008 | 69° | 48° | 59° | — | — |
| 2007 | 90° | 63° | 76° | — | — |
| 2006 | 81° | 55° | 68° | — | — |
| 2005 | 87° | 58° | 72° | — | — |
| 2004 | 85° | 72° | 78° | — | — |
| 2003 | 80° | 48° | 64° | — | — |
| 2002 | 87° | 55° | 71° | — | — |
| 2001 | 89° | 58° | 73° | — | — |
| 2000 | 80° | 43° | 61° | — | — |
| 1999 | 81° | 62° | 71° | — | — |
| 1998 | 92° | 62° | 77° | — | — |
| 1997 | 87° | 57° | 72° | — | — |
| 1996 | 88° | 63° | 75° | — | — |
| 1995 | 89° | 64° | 77° | — | — |
| 1994 | 78° | 57° | 68° | — | — |
| 1993 | 73° | 49° | 61° | 0.89" | — |
| 1992 | 83° | 68° | 75° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990warmest | 96° | 71° | 84° | 0.18" | — |
| 1989 | 79° | 67° | 73° | 1.4" | — |
| 1988 | 70° | 41° | 55° | 0.48" | — |
| 1987 | 88° | 59° | 73° | — | — |
| 1986 | 69° | 47° | 58° | — | — |
| 1985 | 90° | 70° | 80° | — | — |
| 1984 | 74° | 48° | 61° | 0.89" | — |
| 1983 | 89° | 63° | 76° | 0.89" | — |
| 1982 | 80° | 60° | 70° | — | — |
| 1981 | 75° | 52° | 63° | — | — |
| 1980 | 84° | 60° | 72° | — | — |
| 1979 | 83° | 60° | 71° | — | — |
| 1978 | 91° | 58° | 74° | — | — |
| 1977 | 80° | 57° | 69° | — | — |
| 1976 | 85° | 43° | 64° | — | — |
| 1975 | 71° | 48° | 60° | — | — |
| 1974 | 76° | 44° | 60° | — | — |
| 1973 | 80° | 50° | 65° | — | — |
| 1972 | 78° | 55° | 67° | — | — |
| 1971 | 88° | 65° | 76° | 1.83" | — |
55 years of data from LISLE - MORTON ARBORETUM