Great Basin · September
Great Basin in September
September is the busiest time to visit Great Basin — busier than August, busier than October.
Crowd score
How busy it gets
The park's busiest time. Reservations, early starts, and patience recommended.
About 90% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical September visits vs. the year
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
September weather
- Avg high
- 73°F
- Avg low
- 48°F
- Precipitation
- 1.1"
- Sunrise
- 5:18 AM
- Sunset
- 5:44 PM
- Daylight
- 12.4h
Source: NOAA 1991–2020 climate normals, GREAT BASIN NP, NV US
What's open
Great Basin in September: access
Park Grounds and Trails Check "Visitor Centers" tab for facility-specific hours
No seasonal road or area closures reported for this park.
Source: NPS Data API
Conditions
Current alerts
- Caution
No Potable Water in Park Campgrounds
There currently is no water available in any campground in Great Basin National Park. Water is available at the RV Fill and Dump Station, the Great Basin, and the Lehman Caves Visitor Center as well as some local businesses.
- Caution
Stage II Fire Restrictions in effect - campfires banned
Stage II Fire Restrictions are in effect at Great Basin National Park. Due to extreme fire danger, campfires, charcoal grills, and outdoor smoking are prohibited throughout the park. Gas and liquid-fueled stoves are permitted.
Source: NPS Data API
Context
Great Basin crowds across the year
Alternatives
Quieter nearby in September
FAQ
Great Basin in September
How busy is Great Basin in September?
September rates 10/10 for crowds (Peak) at Great Basin National Park — about 90% of its busiest month. Typical recreation visits: 25,749.
What is the weather like at Great Basin in September?
In September, Great Basin averages a high of 73°F and a low of 48°F, with about 1.1 inches of precipitation.