Weather on September 23 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
September 23rd in Mammoth Cave National Park (via Bowling Green, KY) typically brings pleasant fall weather, with average highs around 77°F and lows near 55°F. Over 55 years of records, the warmest September 23rd was in 2010 (80°F average), while the coldest was 1974 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 23rd dates historically, with the wettest September 23rd recording 7.19" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd in Mammoth Cave? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 68°F | 0.56" | 0" |
| 2024 | 88°F | 70°F | 0.66" | 0" |
| 2023 | 85°F | 55°F | 0" | 0" |
| 2022 | 74°F | 51°F | 0" | -- |
| 2021 | 71°F | 48°F | 0" | 0" |
| 2020 | 69°F | 60°F | 0.15" | 0" |
| 2019 | 88°F | 62°F | 0.25" | 0" |
| 2018 | 73°F | 65°F | 0.46" | 0" |
| 2017 | 89°F | 65°F | 0" | 0" |
| 2016 | 91°F | 64°F | 0" | 0" |
| 2015 | 87°F | 51°F | 0" | 0" |
| 2014 | 77°F | 44°F | 0" | 0" |
| 2013 | 77°F | 48°F | 0" | 0" |
| 2012 | 68°F | 41°F | 0" | 0" |
| 2011 | 72°F | 50°F | 0.48" | 0" |
| 2010 | 95°F | 64°F | 0" | 0" |
| 2009 | 80°F | 70°F | 0.99" | 0" |
| 2008 | 90°F | 55°F | 0" | 0" |
| 2007 | 94°F | 64°F | 0" | 0" |
| 2006 | 84°F | 66°F | 7.19" | 0" |
| 2005 | 90°F | 64°F | 0" | 0" |
| 2004 | 85°F | 54°F | 0" | 0" |
| 2003 | 73°F | 51°F | 0" | 0" |
| 2002 | 75°F | 50°F | 0" | 0" |
| 2001 | 85°F | 52°F | 0.25" | 0" |
| 2000 | 81°F | 68°F | 0.18" | 0" |
| 1999 | 80°F | 42°F | 0" | 0" |
| 1998 | 78°F | 53°F | 0" | 0" |
| 1997 | 71°F | 58°F | -- | 0" |
| 1996 | 82°F | 55°F | -- | 0" |
| 1995 | 67°F | 44°F | 0" | 0" |
| 1994 | 70°F | 53°F | 3.68" | 0" |
| 1993 | 73°F | 61°F | 1.93" | 0" |
| 1992 | 68°F | 47°F | 0" | 0" |
| 1991 | 69°F | 56°F | 0" | 0" |
| 1990 | 58°F | 46°F | 0" | 0" |
| 1989 | 69°F | 43°F | 0.66" | 0" |
| 1988 | 88°F | 65°F | 6.81" | 0" |
| 1987 | 72°F | 49°F | 0" | 0" |
| 1986 | 86°F | 68°F | 0.18" | 0" |
| 1985 | 72°F | 57°F | 3.4" | 0" |
| 1984 | 78°F | 71°F | 0.08" | 0" |
| 1983 | 63°F | 41°F | 0" | 0" |
| 1982 | 69°F | 40°F | 0" | 0" |
| 1981 | 67°F | 44°F | 0" | 0" |
| 1980 | 71°F | 62°F | 1.02" | 0" |
| 1979 | 72°F | 48°F | 0" | 0" |
| 1978 | 66°F | 60°F | 0" | 0" |
| 1977 | 86°F | 58°F | 0" | 0" |
| 1976 | 83°F | 44°F | 0" | 0" |
| 1975 | 56°F | 51°F | 3.02" | 0" |
| 1974 | 62°F | 39°F | 0" | 0" |
| 1973 | 91°F | 64°F | 0" | 0" |
| 1972 | 87°F | 60°F | 0.28" | 0" |
| 1971 | 76°F | 58°F | 0.03" | 0" |