Theodore Roosevelt National Park in September
In September, Theodore Roosevelt National Park averages a high of 74°F and a low of 43°F, with 1.4 inches of precipitation (rain plus melted snow). About 119,000 people visit, the 4th busiest of 12 (busy). Days are 12 hours 30 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 74° / 43°F
- Precipitation
- 1.4in
- Snow
- 0.1in
- Daylight
- 12h 30m
- Visitors
- 119,000
- Crowds
- Busy
Best months for weather and crowds instead: October (moderate).
Weather 1991–2020 averages at Medora, ND, 4.1 miles from the park's center, 2,268 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 |
| Wind Cave National Park | 76° / 46° | Busy | Mild |
| Yellowstone National Park | 61° / 30° | Very busy | Mild |
| John D. Rockefeller, Jr., Memorial Parkway | 66° / 28° | Busy | Mild |
Closures, reservations and alerts: Theodore Roosevelt National Park on nps.gov
All twelve months at Theodore Roosevelt · National parks to visit in September