Weather on September 5
Naperville, IL
55 Years of Data
Avg High
81°F
Avg Low
57°F
Warmest
2018
83°F avg
Coldest
1974
56°F avg
About This Date
September 5th 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 5th was in 2018 (83°F average), while the coldest was 1974 (56°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 5th dates historically, with the wettest September 5th recording 5.59" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for September 5th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 45° | 58° | — | — |
| 2024 | 81° | 47° | 64° | — | — |
| 2023 | 91° | 69° | 80° | — | — |
| 2022 | 73° | 65° | 69° | — | — |
| 2021 | 73° | 53° | 63° | — | — |
| 2020 | 79° | 55° | 67° | — | — |
| 2019 | 72° | 52° | 62° | — | — |
| 2018warmest | 93° | 73° | 83° | — | — |
| 2017 | 82° | 52° | 67° | — | — |
| 2016 | 80° | 54° | 67° | — | — |
| 2015 | 89° | 66° | 78° | — | — |
| 2014 | 84° | 69° | 77° | — | — |
| 2013 | 82° | 56° | 69° | — | — |
| 2012 | 92° | 62° | 77° | 0.48" | — |
| 2011 | 72° | 52° | 62° | — | — |
| 2010 | 68° | 46° | 57° | — | — |
| 2009 | 78° | 56° | 67° | 0.18" | — |
| 2008 | 70° | 54° | 62° | 5.59" | — |
| 2007 | 90° | 61° | 75° | — | — |
| 2006 | 75° | 57° | 66° | 2.31" | — |
| 2005 | 87° | 56° | 71° | — | — |
| 2004 | 86° | 65° | 75° | — | — |
| 2003 | 74° | 47° | 60° | — | — |
| 2002 | 85° | 53° | 69° | — | — |
| 2001 | 84° | 53° | 69° | — | — |
| 2000 | 72° | 55° | 63° | — | — |
| 1999 | 95° | 60° | 78° | — | — |
| 1998 | 88° | 60° | 74° | — | — |
| 1997 | 76° | 45° | 60° | — | — |
| 1996 | 88° | 60° | 74° | — | — |
| 1995 | 89° | 59° | 74° | — | — |
| 1994 | 64° | 51° | 58° | 0.13" | — |
| 1993 | 77° | 56° | 66° | — | — |
| 1992 | 83° | 58° | 70° | — | — |
| 1991 | 81° | 51° | 66° | — | — |
| 1990 | 92° | 72° | 82° | — | — |
| 1989 | 80° | 59° | 70° | 0.25" | — |
| 1988 | 69° | 46° | 58° | — | — |
| 1987 | 89° | 57° | 73° | — | — |
| 1986 | 84° | 49° | 66° | — | — |
| 1985 | 87° | 72° | 79° | 0.08" | — |
| 1984 | 73° | 48° | 61° | — | — |
| 1983 | 91° | 70° | 80° | — | — |
| 1982 | 82° | 50° | 66° | — | — |
| 1981 | 77° | 55° | 66° | — | — |
| 1980 | 80° | 55° | 68° | — | — |
| 1979 | 85° | 57° | 71° | — | — |
| 1978 | 90° | 55° | 72° | — | — |
| 1977 | 85° | 64° | 74° | — | — |
| 1976 | 81° | 48° | 64° | — | — |
| 1975 | 69° | 55° | 62° | 1.07" | — |
| 1974coldest | 74° | 38° | 56° | — | — |
| 1973 | 82° | 67° | 74° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971 | 87° | 70° | 78° | 0.13" | — |
55 years of data from WHEATON 3 SE