Weather on September 27 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
September 27th in Mammoth Cave National Park (via Bowling Green, KY) typically brings pleasant fall weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest September 27th was in 1998 (80°F average), while the coldest was 1984 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 27th dates historically, with the wettest September 27th recording 7.54" 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 27th 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 | 85°F | 61°F | 0" | 0" |
| 2024 | 73°F | 65°F | 7.54" | 0" |
| 2023 | 85°F | 60°F | 0.89" | 0" |
| 2022 | 74°F | 45°F | 0" | -- |
| 2021 | 84°F | 53°F | 0" | 0" |
| 2020 | 81°F | 58°F | 0" | 0" |
| 2019 | 94°F | 61°F | 0" | 0" |
| 2018 | 65°F | 53°F | 1.91" | 0" |
| 2017 | 90°F | 61°F | 0" | 0" |
| 2016 | 77°F | 48°F | 0" | 0" |
| 2015 | 81°F | 66°F | 0" | 0" |
| 2014 | 84°F | 56°F | 0" | 0" |
| 2013 | 82°F | 51°F | 0" | 0" |
| 2012 | 81°F | 66°F | 0.41" | 0" |
| 2011 | 77°F | 50°F | 0" | 0" |
| 2010 | 76°F | 54°F | 0" | 0" |
| 2009 | 77°F | 56°F | 0" | 0" |
| 2008 | 81°F | 60°F | 0" | 0" |
| 2007 | 83°F | 64°F | 0.81" | 0" |
| 2006 | 82°F | 56°F | 1.12" | 0" |
| 2005 | 81°F | 59°F | 0" | 0" |
| 2004 | 80°F | 57°F | 0" | 0" |
| 2003 | 74°F | 56°F | 1.14" | 0" |
| 2002 | 78°F | 63°F | 2.51" | 0" |
| 2001 | 74°F | 40°F | 0" | 0" |
| 2000 | 72°F | 40°F | 0" | 0" |
| 1999 | 82°F | 61°F | 0.2" | 0" |
| 1998 | 94°F | 66°F | 0" | 0" |
| 1997 | 81°F | 50°F | -- | 0" |
| 1996 | 76°F | 57°F | -- | 0" |
| 1995 | 77°F | 47°F | 0" | 0" |
| 1994 | 65°F | 53°F | 0.28" | 0" |
| 1993 | 63°F | 48°F | 0.38" | 0" |
| 1992 | 74°F | 52°F | 0.18" | 0" |
| 1991 | 70°F | 38°F | 0" | 0" |
| 1990 | 86°F | 51°F | 0" | 0" |
| 1989 | 71°F | 46°F | 0" | 0" |
| 1988 | 80°F | 49°F | 0" | 0" |
| 1987 | 84°F | 55°F | 0" | 0" |
| 1986 | 90°F | 69°F | 0.28" | 0" |
| 1985 | 63°F | 44°F | 0" | 0" |
| 1984 | 56°F | 50°F | 0" | 0" |
| 1983 | 79°F | 51°F | 0" | 0" |
| 1982 | 68°F | 49°F | 0" | 0" |
| 1981 | 75°F | 53°F | 0.81" | 0" |
| 1980 | 68°F | 50°F | 0" | 0" |
| 1979 | 69°F | 61°F | 1.78" | 0" |
| 1978 | 84°F | 60°F | 0" | 0" |
| 1977 | 83°F | 60°F | 1.63" | 0" |
| 1976 | 74°F | 61°F | 3.94" | 0" |
| 1975 | 64°F | 45°F | 0" | 0" |
| 1974 | 72°F | 60°F | 4.17" | 0" |
| 1973 | 82°F | 66°F | 0" | 0" |
| 1972 | 82°F | 66°F | 2.72" | 0" |
| 1971 | 87°F | 64°F | 0" | 0" |