Weather on September 8
Naperville, IL
55 Years of Data
Avg High
81°F
Avg Low
57°F
Warmest
2001
82°F avg
Coldest
2024
54°F avg
About This Date
September 8th in Naperville, IL typically brings warm fall weather, with average highs around 81°F and lows near 57°F. Over 55 years of records, the warmest September 8th was in 2001 (82°F average), while the coldest was 2024 (54°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 8th dates historically, with the wettest September 8th recording 5.13" of rain. The last decade has been 7.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.2°F cooler on this date compared to 20-30 years ago.
Planning for September 8th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 41° | 55° | — | — |
| 2024coldest | 64° | 45° | 54° | — | — |
| 2023 | 69° | 61° | 65° | — | — |
| 2022 | 81° | 55° | 68° | — | — |
| 2021 | 89° | 52° | 70° | 0.2" | — |
| 2020 | 79° | 59° | 69° | 1.37" | — |
| 2019 | 78° | 51° | 65° | — | — |
| 2018 | 68° | 62° | 65° | 0.25" | — |
| 2017 | 70° | 51° | 60° | — | — |
| 2016 | 90° | 70° | 80° | 0.91" | — |
| 2015 | 87° | 73° | 80° | 0.05" | — |
| 2014 | 78° | 51° | 65° | — | — |
| 2013 | 88° | 65° | 76° | — | — |
| 2012 | 78° | 53° | 66° | 0.79" | — |
| 2011 | 71° | 47° | 59° | — | — |
| 2010 | 78° | 49° | 63° | — | — |
| 2009 | 78° | 58° | 68° | — | — |
| 2008 | 69° | 52° | 60° | — | — |
| 2007 | 84° | 60° | 72° | 0.28" | — |
| 2006 | 83° | 56° | 69° | — | — |
| 2005 | 89° | 62° | 76° | — | — |
| 2004 | 74° | 55° | 64° | — | — |
| 2003 | 85° | 58° | 71° | — | — |
| 2002 | 93° | 57° | 75° | — | — |
| 2001warmest | 92° | 72° | 82° | — | — |
| 2000 | 90° | 69° | 79° | 0.13" | — |
| 1999 | 85° | 55° | 70° | — | — |
| 1998 | 72° | 53° | 62° | — | — |
| 1997 | 77° | 62° | 70° | 0.03" | — |
| 1996 | 83° | 65° | 74° | 0.05" | — |
| 1995 | 68° | 55° | 62° | 2.64" | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 76° | 54° | 65° | 0.18" | — |
| 1992 | 81° | 55° | 68° | 2.41" | — |
| 1991 | 90° | 64° | 77° | — | — |
| 1990 | 83° | 62° | 72° | — | — |
| 1989 | 85° | 66° | 75° | 0.03" | — |
| 1988 | 84° | 54° | 69° | — | — |
| 1987 | 80° | 63° | 71° | — | — |
| 1986 | 75° | 38° | 56° | — | — |
| 1985 | 93° | 70° | 81° | — | — |
| 1984 | 84° | 64° | 74° | — | — |
| 1983 | 89° | 50° | 70° | — | — |
| 1982 | 77° | 49° | 63° | — | — |
| 1981 | 74° | 54° | 64° | 1.88" | — |
| 1980 | 84° | 65° | 74° | 5.13" | — |
| 1979 | 64° | 49° | 56° | — | — |
| 1978 | 97° | 66° | 81° | — | — |
| 1977 | 84° | 53° | 69° | — | — |
| 1976 | 94° | 49° | 71° | — | — |
| 1975 | 78° | 45° | 61° | — | — |
| 1974 | 85° | 50° | 67° | — | — |
| 1973 | 79° | 55° | 67° | — | — |
| 1972 | 69° | 65° | 67° | 0.1" | — |
| 1971 | 95° | 63° | 79° | — | — |
55 years of data from WHEATON 3 SE