Weather on September 18
Evansville, IN
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
2008
86°F avg
Coldest
1981
58°F avg
About This Date
September 18th in Evansville, IN typically brings warm fall weather, with average highs around 83°F and lows near 62°F. Over 55 years of records, the warmest September 18th was in 2008 (86°F average), while the coldest was 1981 (58°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 18th dates historically, with the wettest September 18th recording 5.82" of rain. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for September 18th in Evansville, IN? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 59° | 75° | — | — |
| 2024 | 89° | 63° | 76° | — | — |
| 2023 | 81° | 56° | 68° | — | — |
| 2022 | 87° | 65° | 76° | — | — |
| 2021 | 91° | 72° | 81° | — | — |
| 2020 | 85° | 57° | 71° | — | — |
| 2019 | 91° | 67° | 79° | — | — |
| 2018 | 91° | 72° | 81° | — | — |
| 2017 | 85° | 70° | 77° | 2.13" | — |
| 2016 | 83° | 68° | 75° | — | — |
| 2015 | 88° | 66° | 77° | — | — |
| 2014 | 76° | 60° | 68° | — | — |
| 2013 | 82° | 65° | 73° | 1.6" | — |
| 2012 | 70° | 60° | 65° | — | — |
| 2011 | 78° | 65° | 71° | — | — |
| 2010 | 93° | 61° | 77° | — | — |
| 2009 | 82° | 63° | 72° | — | — |
| 2008warmest | 89° | 83° | 86° | — | — |
| 2007 | 90° | 64° | 77° | — | — |
| 2006 | 88° | 60° | 74° | 2.31" | — |
| 2005 | 82° | 58° | 70° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 89° | 68° | 79° | — | — |
| 2002 | 72° | 69° | 70° | 0.46" | — |
| 2001 | 83° | 67° | 75° | — | — |
| 2000 | 85° | 56° | 70° | — | — |
| 1999 | 81° | 44° | 62° | — | — |
| 1998 | 89° | 67° | 78° | — | — |
| 1997 | 84° | 54° | 69° | — | — |
| 1996 | 74° | 51° | 62° | — | — |
| 1995 | 82° | 50° | 66° | — | — |
| 1994 | 81° | 56° | 68° | — | — |
| 1993 | 79° | 57° | 68° | — | — |
| 1992 | 83° | 71° | 77° | 0.03" | — |
| 1991 | 76° | 58° | 67° | 2.08" | — |
| 1990 | 71° | 57° | 64° | 0.3" | — |
| 1989 | 80° | 53° | 67° | — | — |
| 1988 | 81° | 67° | 74° | 0.76" | — |
| 1987 | 80° | 65° | 72° | — | — |
| 1986 | 79° | 66° | 72° | 5.82" | — |
| 1985 | 85° | 60° | 72° | — | — |
| 1984 | 80° | 55° | 68° | — | — |
| 1983 | 95° | 70° | 82° | — | — |
| 1982 | 76° | 64° | 70° | 0.18" | — |
| 1981coldest | 68° | 48° | 58° | 0.08" | — |
| 1980 | 78° | 51° | 65° | — | — |
| 1979 | 79° | 63° | 71° | — | — |
| 1978 | 91° | 74° | 82° | — | — |
| 1977 | 89° | 70° | 79° | — | — |
| 1976 | 85° | 55° | 70° | — | — |
| 1975 | 80° | 59° | 70° | — | — |
| 1974 | 84° | 57° | 71° | — | — |
| 1973 | 70° | 49° | 59° | — | — |
| 1972 | 90° | 71° | 80° | — | — |
| 1971 | 78° | 58° | 68° | — | — |
55 years of data from EVANSVILLE MUSEUM