Weather on September 2 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
September 2nd in Indiana Dunes National Park (via Gary, IN) typically brings warm fall weather, with average highs around 80°F and lows near 60°F. Over 55 years of records, the warmest September 2nd was in 2011 (85°F average), while the coldest was 1994 (57°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 2nd dates historically, with the wettest September 2nd recording 3.23" 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 2nd in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 78°F | 57°F | 0" | 0" |
| 2024 | 75°F | 50°F | 0" | 0" |
| 2023 | 81°F | 57°F | 0" | 0" |
| 2022 | 87°F | 64°F | 0" | 0" |
| 2021 | 74°F | 58°F | 0" | 0" |
| 2020 | 75°F | 67°F | 0.97" | 0" |
| 2019 | 81°F | 58°F | -- | -- |
| 2018 | 91°F | 72°F | -- | -- |
| 2017 | 70°F | 45°F | 0" | 0" |
| 2016 | 80°F | 66°F | 0" | 0" |
| 2015 | 85°F | 68°F | 0" | 0" |
| 2014 | 83°F | 67°F | 0.38" | 0" |
| 2013 | 81°F | 68°F | 0.18" | 0" |
| 2012 | 78°F | 71°F | 0.1" | 0" |
| 2011 | 94°F | 76°F | 0" | 0" |
| 2010 | 79°F | 70°F | 1.19" | 0" |
| 2009 | 69°F | 49°F | 0" | 0" |
| 2008 | 89°F | 61°F | 0" | 0" |
| 2007 | 80°F | 62°F | 0" | 0" |
| 2006 | 72°F | 56°F | 0.08" | 0" |
| 2005 | 80°F | 57°F | 0" | 0" |
| 2004 | 79°F | 62°F | 0" | 0" |
| 2003 | 63°F | 59°F | 1.02" | 0" |
| 2002 | 83°F | 68°F | 0" | 0" |
| 2001 | 66°F | 50°F | 0" | 0" |
| 2000 | 92°F | 68°F | 0" | 0" |
| 1999 | 91°F | 55°F | 0" | 0" |
| 1998 | 77°F | 53°F | 0" | 0" |
| 1997 | 78°F | 55°F | 0" | 0" |
| 1996 | 85°F | 60°F | 0" | 0" |
| 1995 | 86°F | 50°F | -- | 0" |
| 1994 | 69°F | 44°F | 0" | 0" |
| 1993 | 73°F | 58°F | 3.23" | 0" |
| 1992 | 73°F | 63°F | 0.1" | 0" |
| 1991 | 84°F | 58°F | 0" | 0" |
| 1990 | 88°F | 64°F | 0.08" | 0" |
| 1989 | 75°F | 60°F | 0" | 0" |
| 1988 | 85°F | 63°F | 0" | 0" |
| 1987 | 76°F | 53°F | 0" | 0" |
| 1986 | 81°F | 56°F | 0" | 0" |
| 1985 | 85°F | 65°F | 0" | 0" |
| 1984 | 89°F | 70°F | 0.66" | 0" |
| 1983 | 89°F | 56°F | 0" | 0" |
| 1982 | 83°F | 61°F | 0" | 0" |
| 1981 | 81°F | 64°F | 0.08" | 0" |
| 1980 | 82°F | 64°F | 1.02" | 0" |
| 1979 | 83°F | 65°F | 0.51" | 0" |
| 1978 | 85°F | 59°F | 0" | 0" |
| 1977 | 84°F | 67°F | 2.54" | 0" |
| 1976 | 75°F | 46°F | 0" | 0" |
| 1975 | 83°F | 65°F | 0" | 0" |
| 1974 | 65°F | 51°F | 0.69" | 0" |
| 1973 | 91°F | 70°F | 0" | 0" |
| 1972 | 70°F | 57°F | 0.64" | 0" |
| 1971 | 87°F | 69°F | 0" | 0" |