Weather on September 14 at Indiana Dunes
Indiana Dunes National Park
Based on 55 years of data from Gary, IN
Planning Your Visit
September 14th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant fall weather, with average highs around 77°F and lows near 56°F. Over 55 years of records, the warmest September 14th was in 2005 (80°F average), while the coldest was 2014 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 40% of September 14th dates historically, with the wettest September 14th recording 7.47" 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 14th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 78°F | 67°F | 1.55" | 0" |
| 2024 | 86°F | 64°F | 0" | 0" |
| 2023 | 67°F | 47°F | 0.36" | 0" |
| 2022 | 71°F | 52°F | 0.03" | 0" |
| 2021 | 88°F | 67°F | -- | -- |
| 2020 | 74°F | 53°F | -- | -- |
| 2019 | 82°F | 56°F | -- | -- |
| 2018 | 74°F | 58°F | 0" | -- |
| 2017 | 70°F | 56°F | 0.1" | 0" |
| 2016 | 84°F | 65°F | 0" | 0" |
| 2015 | 70°F | 51°F | 0.08" | 0" |
| 2014 | 58°F | 43°F | 0" | 0" |
| 2013 | 64°F | 43°F | 0" | 0" |
| 2012 | 66°F | 49°F | 0.89" | 0" |
| 2011 | 72°F | 50°F | 0" | 0" |
| 2010 | 74°F | 53°F | 0" | 0" |
| 2009 | 74°F | 54°F | 0" | 0" |
| 2008 | 82°F | 67°F | 7.34" | 0" |
| 2007 | 78°F | 59°F | 0" | 0" |
| 2006 | 66°F | 60°F | 2.46" | 0" |
| 2005 | 93°F | 67°F | 0.58" | 0" |
| 2004 | 85°F | 65°F | 0" | 0" |
| 2003 | 84°F | 66°F | 0.66" | 0" |
| 2002 | 79°F | 56°F | 0" | 0" |
| 2001 | 67°F | 44°F | 0.03" | 0" |
| 2000 | 77°F | 56°F | 0.43" | 0" |
| 1999 | 71°F | 41°F | 0" | 0" |
| 1998 | 90°F | 56°F | 1.27" | 0" |
| 1997 | 78°F | 57°F | 0" | 0" |
| 1996 | 60°F | 48°F | 0" | 0" |
| 1995 | 83°F | 55°F | -- | 0" |
| 1994 | 88°F | 65°F | 0" | 0" |
| 1993 | 78°F | 60°F | 3.43" | 0" |
| 1992 | 81°F | 58°F | 0.99" | 0" |
| 1991 | 89°F | 67°F | 0.1" | 0" |
| 1990 | 84°F | 68°F | 1.7" | 0" |
| 1989 | 56°F | 52°F | 0.81" | 0" |
| 1988 | 78°F | 49°F | 0" | 0" |
| 1987 | 78°F | 47°F | 0" | 0" |
| 1986 | 75°F | 45°F | 0" | 0" |
| 1985 | 67°F | 40°F | 0" | 0" |
| 1984 | 71°F | 61°F | 0" | 0" |
| 1983 | 67°F | 46°F | 0.08" | 0" |
| 1982 | 82°F | 67°F | 0" | 0" |
| 1981 | 85°F | 65°F | 0" | 0" |
| 1980 | 84°F | -- | 0" | 0" |
| 1979 | 67°F | 58°F | 0" | 0" |
| 1978 | 89°F | 70°F | 1.68" | 0" |
| 1977 | 80°F | 50°F | 0.05" | 0" |
| 1976 | 87°F | 60°F | 0" | 0" |
| 1975 | 70°F | 38°F | 0" | 0" |
| 1974 | 66°F | 42°F | 0" | 0" |
| 1973 | 77°F | 57°F | 0" | 0" |
| 1972 | 85°F | 63°F | 7.47" | 0" |
| 1971 | 87°F | 53°F | 0" | 0" |