Weather on September 8
Indianapolis, IN
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
1985
82°F avg
Coldest
2024
54°F avg
About This Date
September 8th in Indianapolis, IN typically brings warm fall weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest September 8th was in 1985 (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 25% of September 8th dates historically, with the wettest September 8th recording 7.77" of rain. The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
Planning for September 8th in Indianapolis, IN? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 46° | 58° | — | — |
| 2024coldest | 67° | 42° | 54° | — | — |
| 2023 | 73° | 60° | 67° | — | — |
| 2022 | 78° | 57° | 68° | — | — |
| 2021 | 79° | 62° | 70° | — | — |
| 2020 | 88° | 67° | 77° | — | — |
| 2019 | 74° | 57° | 65° | — | — |
| 2018 | 65° | 59° | 62° | 7.19" | — |
| 2017 | 77° | 47° | 62° | — | — |
| 2016 | 83° | 72° | 77° | 2.51" | — |
| 2015 | 89° | 70° | 79° | — | — |
| 2014 | 77° | 53° | 65° | — | — |
| 2013 | 87° | 66° | 77° | 0.05" | — |
| 2012 | 84° | 56° | 70° | 7.77" | — |
| 2011 | 61° | 53° | 57° | 0.1" | — |
| 2010 | 85° | 52° | 68° | 0.08" | — |
| 2009 | 75° | 62° | 69° | — | — |
| 2008 | 74° | 55° | 64° | — | — |
| 2007 | 84° | 70° | 77° | 0.3" | — |
| 2006 | 80° | 55° | 68° | — | — |
| 2005 | 83° | 61° | 72° | — | — |
| 2004 | 77° | 60° | 69° | — | — |
| 2003 | 77° | 56° | 66° | — | — |
| 2002 | 93° | 64° | 79° | — | — |
| 2001 | 87° | 60° | 74° | 3.43" | — |
| 2000 | 83° | 63° | 73° | — | — |
| 1999 | 82° | 52° | 67° | — | — |
| 1998 | 85° | 50° | 67° | — | — |
| 1997 | 84° | 63° | 73° | 0.89" | — |
| 1996 | 84° | 65° | 74° | 1.19" | — |
| 1995 | 61° | 55° | 58° | — | — |
| 1994 | 79° | 50° | 64° | — | — |
| 1993 | 71° | 50° | 61° | — | — |
| 1992 | 75° | 60° | 68° | — | — |
| 1991 | 87° | 68° | 78° | — | — |
| 1990 | 92° | 65° | 78° | 0.18" | — |
| 1989 | 85° | 69° | 77° | — | — |
| 1988 | 78° | 60° | 69° | — | — |
| 1987 | 91° | 68° | 80° | — | — |
| 1986 | 74° | 53° | 63° | — | — |
| 1985warmest | 91° | 73° | 82° | — | — |
| 1984 | 84° | 59° | 72° | — | — |
| 1983 | 82° | 56° | 69° | — | — |
| 1982 | 81° | 54° | 67° | — | — |
| 1981 | 78° | 54° | 66° | 0.33" | — |
| 1980 | 82° | 66° | 74° | 0.38" | — |
| 1979 | 76° | 51° | 63° | — | — |
| 1978 | 86° | 64° | 75° | — | — |
| 1977 | 85° | 61° | 73° | — | — |
| 1976 | 85° | 52° | 68° | — | — |
| 1975 | 80° | 49° | 64° | — | — |
| 1974 | 77° | 56° | 66° | — | — |
| 1973 | 81° | 52° | 66° | — | — |
| 1972 | 83° | 60° | 71° | 0.97" | — |
| 1971 | 85° | 64° | 74° | — | — |
55 years of data from INDIANAPOLIS SE SIDE