Weather on September 3
Naperville, IL
55 Years of Data
Avg High
82°F
Avg Low
58°F
Warmest
2000
81°F avg
Coldest
1974
53°F avg
About This Date
September 3rd in Naperville, IL typically brings warm fall weather, with average highs around 82°F and lows near 58°F. Over 55 years of records, the warmest September 3rd was in 2000 (81°F average), while the coldest was 1974 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 3rd dates historically, with the wettest September 3rd recording 3.94" of rain. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for September 3rd in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 53° | 67° | — | — |
| 2024 | 75° | 48° | 62° | — | — |
| 2023 | 86° | 61° | 73° | — | — |
| 2022 | 84° | 64° | 74° | — | — |
| 2021 | 81° | 55° | 68° | — | — |
| 2020 | 87° | 63° | 75° | — | — |
| 2019 | 83° | — | — | 0.25" | — |
| 2018 | 90° | 69° | 79° | 0.64" | — |
| 2017 | 74° | 41° | 57° | 0.46" | — |
| 2016 | 75° | 52° | 63° | — | — |
| 2015 | 90° | 68° | 79° | 0.2" | — |
| 2014 | 82° | 57° | 70° | — | — |
| 2013 | 80° | 51° | 66° | — | — |
| 2012 | 81° | 68° | 74° | 0.51" | — |
| 2011 | 93° | 69° | 81° | — | — |
| 2010 | 84° | 58° | 71° | 3.94" | — |
| 2009 | 77° | 51° | 64° | — | — |
| 2008 | 87° | 58° | 72° | — | — |
| 2007 | 84° | 55° | 70° | — | — |
| 2006 | 78° | 53° | 66° | 1.17" | — |
| 2005 | 83° | 51° | 67° | — | — |
| 2004 | 84° | 60° | 72° | 0.03" | — |
| 2003 | 81° | 56° | 68° | — | — |
| 2002 | 88° | 72° | 80° | 1.04" | — |
| 2001 | 88° | 58° | 73° | — | — |
| 2000warmest | 94° | 69° | 81° | — | — |
| 1999 | 92° | 62° | 77° | — | — |
| 1998 | 85° | 54° | 69° | 0.36" | — |
| 1997 | 72° | 55° | 63° | — | — |
| 1996 | 87° | 60° | 74° | — | — |
| 1995 | 85° | 52° | 68° | — | — |
| 1994 | 72° | 56° | 64° | — | — |
| 1993 | 77° | 64° | 71° | 1.37" | — |
| 1992 | 80° | 63° | 71° | 0.76" | — |
| 1991 | 85° | 70° | 77° | — | — |
| 1990 | 80° | 58° | 69° | — | — |
| 1989 | 76° | 54° | 65° | — | — |
| 1988 | 82° | 63° | 72° | 0.33" | — |
| 1987 | 75° | 46° | 61° | — | — |
| 1986 | 83° | 65° | 74° | — | — |
| 1985 | 88° | 70° | 79° | — | — |
| 1984 | 79° | 59° | 69° | — | — |
| 1983 | 90° | 58° | 74° | — | — |
| 1982 | 76° | 51° | 63° | — | — |
| 1981 | 68° | 62° | 65° | — | — |
| 1980 | 83° | 55° | 69° | — | — |
| 1979 | 85° | 63° | 74° | — | — |
| 1978 | 86° | 48° | 67° | — | — |
| 1977 | 83° | 52° | 67° | — | — |
| 1976 | 85° | 56° | 70° | — | — |
| 1975 | 85° | 58° | 71° | — | — |
| 1974coldest | 65° | 41° | 53° | — | — |
| 1973 | 91° | 65° | 78° | — | — |
| 1972 | 71° | 49° | 60° | — | — |
| 1971 | 88° | 69° | 78° | — | — |
55 years of data from LISLE - MORTON ARBORETUM