Weather on September 13
Naperville, IL
55 Years of Data
Avg High
79°F
Avg Low
55°F
Warmest
2005
81°F avg
Coldest
2014
47°F avg
About This Date
September 13th in Naperville, IL typically brings pleasant fall weather, with average highs around 79°F and lows near 55°F. Over 55 years of records, the warmest September 13th was in 2005 (81°F average), while the coldest was 2014 (47°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 13th dates historically, with the wettest September 13th recording 6.35" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for September 13th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 56° | 70° | — | — |
| 2024 | 87° | 51° | 69° | — | — |
| 2023 | 71° | 46° | 59° | — | — |
| 2022 | 65° | 53° | 59° | 0.2" | — |
| 2021 | 88° | 65° | 76° | — | — |
| 2020 | 71° | 57° | 64° | 1.45" | — |
| 2019 | 82° | 65° | 73° | 2.16" | — |
| 2018 | 82° | 52° | 67° | — | — |
| 2017 | 78° | 52° | 65° | — | — |
| 2016 | 80° | 54° | 67° | — | — |
| 2015 | 66° | 46° | 56° | — | — |
| 2014coldest | 56° | 39° | 47° | 0.3" | — |
| 2013 | 80° | 50° | 65° | 0.18" | — |
| 2012 | 86° | 60° | 73° | — | — |
| 2011 | 86° | 61° | 73° | — | — |
| 2010 | 83° | 55° | 69° | — | — |
| 2009 | 80° | 51° | 66° | — | — |
| 2008 | 69° | 64° | 67° | 6.35" | — |
| 2007 | 68° | 43° | 55° | — | — |
| 2006 | 71° | 60° | 66° | 0.99" | — |
| 2005warmest | 91° | 72° | 81° | — | — |
| 2004 | 85° | 55° | 70° | — | — |
| 2003 | 84° | 68° | 76° | 0.13" | — |
| 2002 | 79° | 48° | 63° | — | — |
| 2001 | 85° | 61° | 73° | — | — |
| 2000 | 81° | 47° | 64° | — | — |
| 1999 | 68° | 52° | 60° | 0.81" | — |
| 1998 | 93° | 56° | 74° | — | — |
| 1997 | 79° | 48° | 63° | — | — |
| 1996 | 68° | 46° | 57° | — | — |
| 1995 | 85° | 64° | 74° | — | — |
| 1994 | 89° | 63° | 76° | — | — |
| 1993 | 81° | 67° | 74° | — | — |
| 1992 | 80° | 56° | 68° | — | — |
| 1991 | 87° | 65° | 76° | 0.64" | — |
| 1990 | 85° | 62° | 73° | — | — |
| 1989 | 66° | 51° | 59° | 0.97" | — |
| 1988 | 84° | 58° | 71° | 2.08" | — |
| 1987 | 77° | 46° | 62° | — | — |
| 1986 | 75° | 46° | 61° | — | — |
| 1985 | 69° | 39° | 54° | — | — |
| 1984 | 86° | 70° | 78° | — | — |
| 1983 | 75° | 53° | 64° | — | — |
| 1982 | 83° | 60° | 71° | — | — |
| 1981 | 86° | 60° | 73° | — | — |
| 1980 | 88° | 66° | 77° | 0.99" | — |
| 1979 | 82° | 62° | 72° | — | — |
| 1978 | 90° | 67° | 78° | 5.97" | — |
| 1977 | 64° | 58° | 61° | 1.91" | — |
| 1976 | 86° | 49° | 67° | — | — |
| 1975 | 64° | 33° | 49° | — | — |
| 1974 | 67° | 50° | 58° | 1.85" | — |
| 1973 | 77° | 49° | 63° | — | — |
| 1972 | 84° | 65° | 74° | 1.3" | — |
| 1971 | 82° | 48° | 65° | — | — |
55 years of data from LISLE - MORTON ARBORETUM