Weather on September 7 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
September 7th in Indiana Dunes National Park (via Gary, IN) typically brings warm fall weather, with average highs around 80°F and lows near 58°F. Over 55 years of records, the warmest September 7th was in 1985 (83°F average), while the coldest was 2011 (57°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 7th dates historically, with the wettest September 7th recording 3.25" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 7th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 69°F | -- | 0" | 0" |
| 2024 | 69°F | 51°F | 0" | 0" |
| 2023 | 83°F | 67°F | 0.15" | 0" |
| 2022 | 76°F | 62°F | 0" | 0" |
| 2021 | 88°F | 63°F | -- | -- |
| 2020 | 76°F | 61°F | -- | -- |
| 2019 | 81°F | 61°F | -- | -- |
| 2018 | 90°F | 63°F | -- | -- |
| 2017 | 64°F | 52°F | 0.05" | 0" |
| 2016 | 80°F | 60°F | 0" | 0" |
| 2015 | 91°F | 73°F | 0" | 0" |
| 2014 | 69°F | 52°F | 0" | 0" |
| 2013 | 81°F | 61°F | 0" | 0" |
| 2012 | 78°F | 61°F | 0" | 0" |
| 2011 | 64°F | 50°F | 0" | 0" |
| 2010 | 81°F | 69°F | 0" | 0" |
| 2009 | 77°F | 58°F | 0" | 0" |
| 2008 | 75°F | 58°F | 0.2" | 0" |
| 2007 | 84°F | 72°F | 0" | 0" |
| 2006 | 76°F | 57°F | 0" | 0" |
| 2005 | 85°F | 64°F | 0" | 0" |
| 2004 | 82°F | 59°F | 0.08" | 0" |
| 2003 | 74°F | 55°F | 0" | 0" |
| 2002 | 88°F | 60°F | 0" | 0" |
| 2001 | 85°F | 64°F | 0.28" | 0" |
| 2000 | 78°F | 45°F | 0" | 0" |
| 1999 | 72°F | 51°F | 0" | 0" |
| 1998 | 94°F | 53°F | 2.03" | 0" |
| 1997 | 77°F | 62°F | 0.41" | 0" |
| 1996 | 81°F | 62°F | 0.18" | 0" |
| 1995 | 86°F | 64°F | 0.08" | 0" |
| 1994 | 75°F | 49°F | 0" | 0" |
| 1993 | 72°F | 46°F | 0" | 0" |
| 1992 | 82°F | 62°F | 0" | 0" |
| 1991 | 88°F | 53°F | 0" | 0" |
| 1990 | 96°F | 70°F | 3.25" | 0" |
| 1989 | 83°F | 66°F | 0.25" | 0" |
| 1988 | 75°F | 45°F | 0" | 0" |
| 1987 | 90°F | 69°F | 0" | 0" |
| 1986 | 78°F | 48°F | 0.08" | 0" |
| 1985 | 94°F | 72°F | 0" | 0" |
| 1984 | 88°F | 40°F | 0.08" | 0" |
| 1983 | 79°F | 54°F | 0" | 0" |
| 1982 | 68°F | 58°F | 0.64" | 0" |
| 1981 | 77°F | 59°F | 0" | 0" |
| 1980 | 76°F | 57°F | 0.69" | 0" |
| 1979 | 77°F | 60°F | 0" | 0" |
| 1978 | 96°F | 65°F | 0" | 0" |
| 1977 | 79°F | 58°F | 0" | 0" |
| 1976 | 86°F | 56°F | 0" | 0" |
| 1975 | 81°F | 48°F | 0" | 0" |
| 1974 | 78°F | 49°F | 0" | 0" |
| 1973 | 76°F | 51°F | 0" | 0" |
| 1972 | 78°F | 62°F | 1.07" | 0" |
| 1971 | 89°F | 68°F | 0" | 0" |