Sequoia National Park in September
In September, Sequoia National Park averages a high of 70°F and a low of 39°F, with 0.7 inches of precipitation (rain plus melted snow). About 146,000 people visit, the 3rd busiest of 12 (busy). Days are 12 hours 22 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 70° / 39°F
- Precipitation
- 0.7in
- Snow
- 0in
- Daylight
- 12h 22m
- Visitors
- 146,000
- Crowds
- Busy
Best months for weather and crowds instead: May (busy), June (busy) and October (busy).
Higher or lower in the park, expect a different picture: Ash Mtn, CA at 1,708 ft averages a September high of 91°F and a low of 63°F.
Weather 1991–2020 averages at Lodgepole, CA, 12.1 miles from the park's center, 6,735 ft. Second station lower down: Ash Mtn, CA, 1,708 ft, 14.7 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Kings Canyon National Park | 70° / 39° | Busy | Mild |
| Death Valley National Park | 108° / 79° | Moderate | Very hot |
| Yosemite National Park | 83° / 51° | Very busy | Hot |
| Pinnacles National Park | 92° / 48° | Moderate | Very hot |
| Channel Islands National Park | 78° / 60° | Busy | Mild |
Closures, reservations and alerts: Sequoia National Park on nps.gov
All twelve months at Sequoia · National parks to visit in September