Weather on September 19 at Mammoth Cave
Mammoth Cave National Park
Based on 56 years of data from Bowling Green, KY
Planning Your Visit
September 19th in Mammoth Cave National Park (via Bowling Green, KY) typically brings warm fall weather, with average highs around 83°F and lows near 58°F — a 25°F daily swing. Over 56 years of records, the warmest September 19th was in 2026 (84°F average), while the coldest was 1981 (55°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 19th dates historically, with the wettest September 19th recording 2.09" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Mammoth Cave? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 97°F | 71°F | 0" | 0" |
| 2025 | 93°F | 59°F | 0" | 0" |
| 2024 | 92°F | 64°F | 0" | 0" |
| 2023 | 81°F | 50°F | 0" | 0" |
| 2022 | 91°F | 65°F | 0.03" | -- |
| 2021 | 75°F | 68°F | 0.24" | 0" |
| 2020 | 74°F | 49°F | 0" | 0" |
| 2019 | 90°F | 63°F | 0" | 0" |
| 2018 | 94°F | 69°F | 0" | 0" |
| 2017 | 84°F | 65°F | 0.14" | 0" |
| 2016 | 87°F | 65°F | 0" | 0" |
| 2015 | 86°F | 62°F | 0" | 0" |
| 2014 | 82°F | 53°F | 0" | 0" |
| 2013 | 86°F | 65°F | 0" | 0" |
| 2012 | 72°F | 45°F | 0" | 0" |
| 2011 | 72°F | 64°F | 0.33" | 0" |
| 2010 | 93°F | 56°F | 0" | 0" |
| 2009 | 82°F | 69°F | 0.78" | 0" |
| 2008 | 86°F | 57°F | 0" | 0" |
| 2007 | 87°F | 58°F | 0" | 0" |
| 2006 | 71°F | 50°F | 0" | 0" |
| 2005 | 89°F | 57°F | 0" | 0" |
| 2004 | 78°F | 51°F | 0" | 0" |
| 2003 | 71°F | 51°F | 0" | 0" |
| 2002 | 90°F | 76°F | 0" | 0" |
| 2001 | 75°F | 61°F | 0.91" | 0" |
| 2000 | 89°F | 49°F | 0" | 0" |
| 1999 | 89°F | 52°F | 0.04" | 0" |
| 1998 | 91°F | 66°F | 0" | 0" |
| 1997 | 94°F | 55°F | -- | 0" |
| 1996 | 75°F | 48°F | -- | 0" |
| 1995 | 85°F | 51°F | 0" | 0" |
| 1994 | 80°F | 49°F | 0" | 0" |
| 1993 | 81°F | 51°F | 0" | 0" |
| 1992 | 78°F | 58°F | 0" | 0" |
| 1991 | 64°F | 47°F | 0.03" | 0" |
| 1990 | 84°F | 66°F | 0.48" | 0" |
| 1989 | 78°F | 52°F | 0" | 0" |
| 1988 | 80°F | 66°F | 0.01" | 0" |
| 1987 | 79°F | 54°F | 0.02" | 0" |
| 1986 | 75°F | 63°F | 1.47" | 0" |
| 1985 | 83°F | 52°F | 0" | 0" |
| 1984 | 80°F | 48°F | 0" | 0" |
| 1983 | 89°F | 64°F | 0" | 0" |
| 1982 | 73°F | 49°F | 0" | 0" |
| 1981 | 68°F | 43°F | 0" | 0" |
| 1980 | 91°F | 55°F | 0" | 0" |
| 1979 | 79°F | 60°F | 0" | 0" |
| 1978 | 96°F | 68°F | 0" | 0" |
| 1977 | 81°F | 64°F | 2.09" | 0" |
| 1976 | 84°F | 53°F | 0" | 0" |
| 1975 | 81°F | 55°F | 1.15" | 0" |
| 1974 | 85°F | 55°F | 0" | 0" |
| 1973 | 73°F | 42°F | 0" | 0" |
| 1972 | 94°F | 66°F | 0" | 0" |
| 1971 | 83°F | 66°F | 0" | 0" |