Weather on September 18 at Wind Cave
Wind Cave National Park
Based on 55 years of data from Hot Springs, SD
Elevation Note: Wind Cave sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Hot Springs, SD at a lower elevation.
Planning Your Visit
September 18th in Wind Cave National Park (via Hot Springs, SD) typically brings pleasant fall weather, with average highs around 79°F and lows near 45°F — a 34°F daily swing. Over 55 years of records, the warmest September 18th was in 1989 (75°F average), while the coldest was 1991 (40°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 18th dates historically, with the wettest September 18th recording 2.03" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 18th in Wind Cave? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 70°F | 53°F | 0.46" | 0" |
| 2024 | 93°F | 48°F | 0.51" | 0" |
| 2023 | 83°F | 47°F | 0" | 0" |
| 2022 | 75°F | 51°F | 0.08" | 0" |
| 2021 | 94°F | 41°F | 0" | 0" |
| 2020 | 78°F | 40°F | 0" | 0" |
| 2019 | 76°F | 45°F | 0" | 0" |
| 2018 | 75°F | 55°F | 0" | 0" |
| 2017 | 89°F | 40°F | 0" | 0" |
| 2016 | 87°F | 39°F | 0" | 0" |
| 2015 | 74°F | 48°F | 0" | 0" |
| 2014 | 91°F | 46°F | 0" | 0" |
| 2013 | 88°F | 54°F | 0" | 0" |
| 2012 | 81°F | 38°F | 0" | -- |
| 2011 | 73°F | 43°F | 2.03" | 0" |
| 2010 | 70°F | 37°F | 0.05" | 0" |
| 2009 | 83°F | 44°F | 0" | 0" |
| 2008 | 88°F | 45°F | 0" | 0" |
| 2007 | 77°F | 57°F | 0" | 0" |
| 2006 | 58°F | 38°F | 0" | 0" |
| 2005 | 84°F | 44°F | 0" | 0" |
| 2004 | 93°F | 50°F | 0" | 0" |
| 2003 | 58°F | 34°F | 1.17" | 0" |
| 2002 | 79°F | 52°F | 0.25" | 0" |
| 2001 | 74°F | 42°F | 0" | 0" |
| 2000 | 92°F | 55°F | 0" | 0" |
| 1999 | 84°F | 44°F | 0" | 0" |
| 1998 | 95°F | 51°F | 0" | 0" |
| 1997 | 83°F | 58°F | 0" | 0" |
| 1996 | 63°F | 47°F | 1.65" | 0" |
| 1995 | 75°F | 51°F | 1.3" | 0" |
| 1994 | 89°F | 41°F | 0" | 0" |
| 1993 | 49°F | 44°F | 0.13" | 0" |
| 1992 | 71°F | 33°F | 0" | 0" |
| 1991 | 57°F | 23°F | 0" | 0" |
| 1990 | 78°F | 46°F | 0" | 0" |
| 1989 | 91°F | 59°F | 0" | 0" |
| 1988 | 85°F | 53°F | 0" | 0" |
| 1987 | 65°F | 32°F | 0" | 0" |
| 1986 | 67°F | 51°F | 0.28" | 0" |
| 1985 | 89°F | 48°F | 0" | 0" |
| 1984 | 93°F | 50°F | 0" | 0" |
| 1983 | 79°F | 36°F | 0" | 0" |
| 1982 | 73°F | 36°F | 0" | 0" |
| 1981 | 86°F | 38°F | 0" | 0" |
| 1980 | 77°F | 44°F | 0" | 0" |
| 1979 | 81°F | 43°F | 0" | 0" |
| 1978 | 66°F | 44°F | 0.36" | 0" |
| 1977 | 70°F | 48°F | 0" | 0" |
| 1976 | 88°F | 56°F | 0" | 0" |
| 1975 | 80°F | 43°F | 0" | 0" |
| 1974 | 86°F | 40°F | 0" | 0" |
| 1973 | 77°F | 33°F | 0" | 0" |
| 1972 | 94°F | 43°F | 0" | 0" |
| 1971 | 56°F | 35°F | 0.1" | 0" |