Weather on September 11 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
September 11th in Mammoth Cave National Park (via Bowling Green, KY) typically brings warm fall weather, with average highs around 84°F and lows near 61°F. Over 55 years of records, the warmest September 11th was in 2019 (83°F average), while the coldest was 1976 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 11th dates historically, with the wettest September 11th recording 5.74" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Mammoth Cave? 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 | 89°F | 63°F | 0" | 0" |
| 2024 | 91°F | 55°F | 0" | 0" |
| 2023 | 87°F | 61°F | 0" | 0" |
| 2022 | 81°F | 65°F | 2.36" | -- |
| 2021 | 85°F | 56°F | 0" | 0" |
| 2020 | 90°F | 69°F | 0" | 0" |
| 2019 | 95°F | 71°F | 0" | 0" |
| 2018 | 75°F | 54°F | 0" | 0" |
| 2017 | 70°F | 55°F | 0.25" | 0" |
| 2016 | 81°F | 59°F | 0" | 0" |
| 2015 | 86°F | 63°F | 0.76" | 0" |
| 2014 | 81°F | 65°F | 0.03" | 0" |
| 2013 | 88°F | 68°F | 4.72" | 0" |
| 2012 | 84°F | 54°F | 0" | 0" |
| 2011 | 82°F | 62°F | 0.25" | 0" |
| 2010 | 92°F | 68°F | 0.15" | 0" |
| 2009 | 83°F | 63°F | 0.03" | 0" |
| 2008 | 86°F | 67°F | 0" | 0" |
| 2007 | 77°F | 59°F | 0.3" | 0" |
| 2006 | 85°F | 67°F | 0.13" | 0" |
| 2005 | 89°F | 61°F | 0" | 0" |
| 2004 | 84°F | 57°F | 0" | 0" |
| 2003 | 83°F | 60°F | 0" | 0" |
| 2002 | 87°F | 62°F | 0" | 0" |
| 2001 | 82°F | 54°F | 0" | 0" |
| 2000 | 83°F | 68°F | 3.94" | 0" |
| 1999 | 89°F | 57°F | 0" | 0" |
| 1998 | 88°F | 49°F | 0" | 0" |
| 1997 | 77°F | 54°F | -- | 0" |
| 1996 | 84°F | 62°F | -- | 0" |
| 1995 | 89°F | 58°F | 0" | 0" |
| 1994 | 89°F | 57°F | 0" | 0" |
| 1993 | 80°F | 46°F | 0" | 0" |
| 1992 | 74°F | 49°F | 0" | 0" |
| 1991 | 92°F | 70°F | 0.18" | 0" |
| 1990 | 85°F | 68°F | 0.86" | 0" |
| 1989 | 84°F | 68°F | 0" | 0" |
| 1988 | 77°F | 68°F | 1.68" | 0" |
| 1987 | 83°F | 67°F | 0.13" | 0" |
| 1986 | 84°F | 67°F | 5.74" | 0" |
| 1985 | 79°F | 61°F | 0" | 0" |
| 1984 | 84°F | 67°F | 0" | 0" |
| 1983 | 96°F | 68°F | 0" | 0" |
| 1982 | 74°F | 62°F | 0" | 0" |
| 1981 | 83°F | 50°F | 0" | 0" |
| 1980 | 85°F | 54°F | 0" | 0" |
| 1979 | 85°F | 58°F | 0" | 0" |
| 1978 | 89°F | 66°F | 0.64" | 0" |
| 1977 | 79°F | 51°F | 0" | 0" |
| 1976 | 77°F | 45°F | 0" | 0" |
| 1975 | 85°F | 70°F | 1.04" | 0" |
| 1974 | 88°F | 63°F | 0" | 0" |
| 1973 | 82°F | 65°F | 0" | 0" |
| 1972 | 89°F | 62°F | 0" | 0" |
| 1971 | 80°F | 63°F | 0" | 0" |