Great Basin National Park in September
In September, Great Basin National Park averages a high of 73°F and a low of 48°F, with 1.1 inches of precipitation (rain plus melted snow). About 26,000 people visit, the 2nd busiest of 12 (very busy). Days are 12 hours 24 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 73° / 48°F
- Precipitation
- 1.1in
- Snow
- 0in
- Daylight
- 12h 24m
- Visitors
- 26,000
- Crowds
- Very busy
September is one of the best months to visit: mild weather with very busy crowds.
Weather 1991–2020 averages at Great Basin NP, NV, 5.6 miles from the park's center, 6,850 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Zion National Park | 91° / 61° | Very busy | Very hot |
| Bryce Canyon National Park | 70° / 42° | Very busy | Mild, wet |
| Capitol Reef National Park | 80° / 55° | Very busy | Mild, wet |
| Lake Mead National Recreation Area | 97° / 72° | Very busy | Very hot |
| Grand Canyon National Park | 76° / 44° | Very busy | Mild, wet |
Closures, reservations and alerts: Great Basin National Park on nps.gov
All twelve months at Great Basin · National parks to visit in September