Yosemite · September
Yosemite in September
September is a busy time to visit Yosemite — quieter than August, busier than October.
Crowd score
How busy it gets
Approaching peak season — expect full lots by mid-morning and busy overlooks.
About 77% 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
- 83°F
- Avg low
- 49°F
- Precipitation
- 0.6"
- Sunrise
- 5:40 AM
- Sunset
- 6:05 PM
- Daylight
- 12.4h
Source: NOAA 1991–2020 climate normals, Yosemite Valley
What's open
Yosemite in September: access
Open 24 hours; Tioga and Glacier Point roads close in winter; peak-season reservations
No seasonal road or area closures reported for this park.
Source: NPS Data API
Conditions
Current alerts
- Information
Yosemite Traffic Updates
When the park is very busy, you can get updates on current traffic conditions in Yosemite by texting ynptraffic to 333111.
Source: NPS Data API
Context
Yosemite crowds across the year
Alternatives
Quieter nearby in September
FAQ
Yosemite in September
How busy is Yosemite in September?
September rates 8/10 for crowds (Busy) at Yosemite National Park — about 77% of its busiest month. Typical recreation visits: 404,317.
What is the weather like at Yosemite in September?
In September, Yosemite averages a high of 83°F and a low of 49°F, with about 0.6 inches of precipitation.