Weather on September 28 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
September 28th in Mammoth Cave National Park (via Bowling Green, KY) typically brings pleasant fall weather, with average highs around 78°F and lows near 54°F. Over 55 years of records, the warmest September 28th was in 2019 (83°F average), while the coldest was 1984 (51°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 28th dates historically, with the wettest September 28th recording 3.12" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Mammoth Cave? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 57°F | 0" | 0" |
| 2024 | 67°F | 63°F | 0.89" | 0" |
| 2023 | 76°F | 63°F | 3.12" | 0" |
| 2022 | 69°F | 42°F | 0" | -- |
| 2021 | 86°F | 56°F | 0" | 0" |
| 2020 | 70°F | 51°F | 0.69" | 0" |
| 2019 | 94°F | 72°F | 0" | 0" |
| 2018 | 73°F | 52°F | 0" | 0" |
| 2017 | 78°F | 59°F | 0" | 0" |
| 2016 | 82°F | 51°F | 0.36" | 0" |
| 2015 | 86°F | 64°F | 0.15" | 0" |
| 2014 | 83°F | 61°F | 0" | 0" |
| 2013 | 81°F | 55°F | 0" | 0" |
| 2012 | 77°F | 66°F | 1.24" | 0" |
| 2011 | 77°F | 55°F | 0" | 0" |
| 2010 | 74°F | 50°F | 0" | 0" |
| 2009 | 75°F | 55°F | 0" | 0" |
| 2008 | 86°F | 57°F | 0" | 0" |
| 2007 | 83°F | 55°F | 0" | 0" |
| 2006 | 66°F | 48°F | 0.86" | 0" |
| 2005 | 88°F | 54°F | 0.05" | 0" |
| 2004 | 81°F | 58°F | 0" | 0" |
| 2003 | 64°F | 43°F | 0" | 0" |
| 2002 | 81°F | 60°F | 0" | 0" |
| 2001 | 68°F | 45°F | 0" | 0" |
| 2000 | 76°F | 45°F | 0" | 0" |
| 1999 | 90°F | 62°F | 0" | 0" |
| 1998 | 92°F | 66°F | 0" | 0" |
| 1997 | 83°F | 56°F | -- | 0" |
| 1996 | 67°F | 48°F | -- | 0" |
| 1995 | 81°F | 48°F | 0" | 0" |
| 1994 | 79°F | 46°F | 0" | 0" |
| 1993 | 72°F | 45°F | 0" | 0" |
| 1992 | 76°F | 49°F | 0" | 0" |
| 1991 | 77°F | 44°F | 0" | 0" |
| 1990 | 88°F | 55°F | 0" | 0" |
| 1989 | 74°F | 49°F | 0.33" | 0" |
| 1988 | 79°F | 58°F | 0" | 0" |
| 1987 | 85°F | 56°F | 0" | 0" |
| 1986 | 91°F | 65°F | 0" | 0" |
| 1985 | 71°F | 40°F | 0" | 0" |
| 1984 | 56°F | 47°F | 0" | 0" |
| 1983 | 80°F | 48°F | 0" | 0" |
| 1982 | 76°F | 46°F | 0" | 0" |
| 1981 | 74°F | 46°F | 0" | 0" |
| 1980 | 68°F | 52°F | 0" | 0" |
| 1979 | 76°F | 57°F | 0.25" | 0" |
| 1978 | 75°F | 56°F | 0" | 0" |
| 1977 | 73°F | 50°F | 0" | 0" |
| 1976 | 68°F | 56°F | 0" | 0" |
| 1975 | 71°F | 41°F | 0" | 0" |
| 1974 | 81°F | 63°F | 0.69" | 0" |
| 1973 | 87°F | 64°F | 0.05" | 0" |
| 1972 | 79°F | 63°F | 0" | 0" |
| 1971 | 87°F | 64°F | 0" | 0" |