Wind Cave National Park in September
In September, Wind Cave National Park averages a high of 76°F and a low of 46°F, with 1.5 inches of precipitation (rain plus melted snow). About 74,000 people visit, the 4th busiest of 12 (busy). Days are 12 hours 27 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 76° / 46°F
- Precipitation
- 1.5in
- Snow
- 0.2in
- Daylight
- 12h 27m
- Visitors
- 74,000
- Crowds
- Busy
September is one of the best months to visit: mild weather with busy crowds.
Weather 1991–2020 averages at Wind Cave, SD, 2.9 miles from the park's center, 4,155 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Mount Rushmore National Memorial | 69° / 50° | Moderate | Mild |
| Badlands National Park | 79° / 47° | Busy | Mild |
| Theodore Roosevelt National Park | 74° / 43° | Busy | Mild, wet |
| Rocky Mountain National Park | 68° / 32° | Busy | Mild, wet |
| Yellowstone National Park | 61° / 30° | Very busy | Mild |
Closures, reservations and alerts: Wind Cave National Park on nps.gov
All twelve months at Wind Cave · National parks to visit in September