Weather on September 5 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
September 5th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant fall weather, with average highs around 79°F and lows near 59°F. Over 55 years of records, the warmest September 5th was in 2016 (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 24% of September 5th dates historically, with the wettest September 5th recording 5.97" of rain. The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Indiana Dunes? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 70°F | 55°F | 0" | 0" |
| 2024 | 83°F | 60°F | 0" | 0" |
| 2023 | 90°F | 72°F | 0" | 0" |
| 2022 | 71°F | 63°F | -- | 0" |
| 2021 | 82°F | 60°F | -- | -- |
| 2020 | 84°F | 56°F | -- | -- |
| 2019 | 68°F | 54°F | 0" | 0" |
| 2018 | 91°F | 72°F | 0" | -- |
| 2017 | 85°F | 58°F | 0.15" | 0" |
| 2016 | 91°F | 75°F | 0" | 0" |
| 2015 | 79°F | 67°F | 0" | 0" |
| 2014 | 81°F | 68°F | 0.23" | 0" |
| 2013 | 81°F | 59°F | 0" | 0" |
| 2012 | 82°F | 64°F | 1.27" | 0" |
| 2011 | 72°F | 55°F | 0.03" | 0" |
| 2010 | 67°F | 47°F | 0" | 0" |
| 2009 | 72°F | 54°F | 0" | 0" |
| 2008 | 69°F | 63°F | 5.97" | 0" |
| 2007 | 88°F | 65°F | 0" | 0" |
| 2006 | 68°F | 59°F | 0.08" | 0" |
| 2005 | 82°F | 52°F | 0" | 0" |
| 2004 | 85°F | 66°F | 0" | 0" |
| 2003 | 68°F | 46°F | 0" | 0" |
| 2002 | 77°F | 54°F | 0" | 0" |
| 2001 | 73°F | 58°F | 0" | 0" |
| 2000 | 67°F | 48°F | 0" | 0" |
| 1999 | 94°F | 61°F | 0" | 0" |
| 1998 | 76°F | 58°F | 0" | 0" |
| 1997 | 72°F | 47°F | 0" | 0" |
| 1996 | 85°F | 60°F | 0" | 0" |
| 1995 | 87°F | 58°F | -- | 0" |
| 1994 | 67°F | 57°F | 0.15" | 0" |
| 1993 | 76°F | 55°F | 0" | 0" |
| 1992 | 81°F | 58°F | 0" | 0" |
| 1991 | 77°F | 48°F | 0" | 0" |
| 1990 | 87°F | 68°F | 0" | 0" |
| 1989 | 82°F | 51°F | 0" | 0" |
| 1988 | 71°F | 53°F | 0.2" | 0" |
| 1987 | 88°F | 64°F | 0" | 0" |
| 1986 | 78°F | 60°F | 0" | 0" |
| 1985 | 84°F | 73°F | 0.03" | 0" |
| 1984 | 70°F | 47°F | 0.97" | 0" |
| 1983 | 91°F | 70°F | 0" | 0" |
| 1982 | 84°F | 54°F | 0" | 0" |
| 1981 | 73°F | 64°F | 0" | 0" |
| 1980 | 82°F | 59°F | 0" | 0" |
| 1979 | 78°F | 54°F | 0" | 0" |
| 1978 | 90°F | 59°F | 0" | 0" |
| 1977 | 86°F | 67°F | 0.94" | 0" |
| 1976 | 79°F | 53°F | 0" | 0" |
| 1975 | 69°F | 54°F | 1.57" | 0" |
| 1974 | 72°F | 40°F | 0" | 0" |
| 1973 | 84°F | 69°F | 0" | 0" |
| 1972 | 76°F | 47°F | 0" | 0" |
| 1971 | 85°F | 70°F | 5.16" | 0" |