Weather on September 12 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
September 12th in Mammoth Cave National Park (via Bowling Green, KY) typically brings warm fall weather, with average highs around 83°F and lows near 61°F. Over 55 years of records, the warmest September 12th was in 2019 (83°F average), while the coldest was 1975 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 12th dates historically, with the wettest September 12th recording 2.03" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for September 12th in Mammoth Cave? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 60°F | 0" | 0" |
| 2024 | 81°F | 62°F | 0.1" | 0" |
| 2023 | 78°F | 64°F | 0" | 0" |
| 2022 | 77°F | 59°F | 0" | -- |
| 2021 | 86°F | 63°F | 0" | 0" |
| 2020 | 88°F | 70°F | 1.42" | 0" |
| 2019 | 96°F | 69°F | 0" | 0" |
| 2018 | 82°F | 62°F | 0" | 0" |
| 2017 | 72°F | 59°F | 0.66" | 0" |
| 2016 | 85°F | 54°F | 0" | 0" |
| 2015 | 73°F | 54°F | 0" | 0" |
| 2014 | 66°F | 61°F | 0" | 0" |
| 2013 | 88°F | 66°F | 2.03" | 0" |
| 2012 | 84°F | 61°F | 0" | 0" |
| 2011 | 86°F | 58°F | 0" | 0" |
| 2010 | 83°F | 58°F | 0" | 0" |
| 2009 | 83°F | 62°F | 0" | 0" |
| 2008 | 91°F | 73°F | 0" | 0" |
| 2007 | 83°F | 54°F | 0" | 0" |
| 2006 | 74°F | 67°F | 1.68" | 0" |
| 2005 | 89°F | 62°F | 0" | 0" |
| 2004 | 75°F | 64°F | 0.51" | 0" |
| 2003 | 83°F | 59°F | 0" | 0" |
| 2002 | 86°F | 56°F | 0" | 0" |
| 2001 | 85°F | 53°F | 0" | 0" |
| 2000 | 82°F | 67°F | 1.45" | 0" |
| 1999 | 93°F | 64°F | 0" | 0" |
| 1998 | 90°F | 53°F | 0" | 0" |
| 1997 | 79°F | 50°F | -- | 0" |
| 1996 | 79°F | 54°F | -- | 0" |
| 1995 | 90°F | 71°F | 0" | 0" |
| 1994 | 90°F | 61°F | 0" | 0" |
| 1993 | 90°F | 53°F | 0" | 0" |
| 1992 | 77°F | 48°F | 0" | 0" |
| 1991 | 94°F | 70°F | 0" | 0" |
| 1990 | 74°F | 68°F | 0.3" | 0" |
| 1989 | 87°F | 64°F | 0" | 0" |
| 1988 | 85°F | 68°F | 0" | 0" |
| 1987 | 83°F | 66°F | 1.12" | 0" |
| 1986 | 77°F | 57°F | 0" | 0" |
| 1985 | 75°F | 56°F | 0" | 0" |
| 1984 | 86°F | 64°F | 0" | 0" |
| 1983 | 85°F | 70°F | 0.86" | 0" |
| 1982 | 81°F | 64°F | 0" | 0" |
| 1981 | 85°F | 57°F | 0" | 0" |
| 1980 | 94°F | 57°F | 0" | 0" |
| 1979 | 87°F | 59°F | 0" | 0" |
| 1978 | 83°F | 67°F | 1.32" | 0" |
| 1977 | 86°F | 60°F | 0" | 0" |
| 1976 | 81°F | 46°F | 0" | 0" |
| 1975 | 72°F | 52°F | 0.97" | 0" |
| 1974 | 89°F | 71°F | 0.08" | 0" |
| 1973 | 84°F | 62°F | 0" | 0" |
| 1972 | 92°F | 62°F | 0" | 0" |
| 1971 | 74°F | 59°F | 0" | 0" |