Pinnacles National Park in September
In September, Pinnacles National Park averages a high of 92°F and a low of 48°F, with 0.1 inches of precipitation (rain plus melted snow). About 21,000 people visit, the 11th busiest of 12 (moderate). Days are 12 hours 22 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 92° / 48°F
- Precipitation
- 0.1in
- Snow
- 0in
- Daylight
- 12h 22m
- Visitors
- 21,000
- Crowds
- Moderate
Best months for weather and crowds instead: May (very busy).
Weather 1991–2020 averages at Pinnacles NM, CA, 0.7 miles from the park's center, 1,307 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| San Francisco Maritime National Historical Park | 70° / 56° | Busy | Mild |
| Fort Point National Historic Site | 70° / 56° | Very busy | Mild |
| Yosemite National Park | 83° / 51° | Very busy | Hot |
| Golden Gate National Recreation Area | 82° / 53° | Very busy | Hot |
| Sequoia National Park | 70° / 39° | Busy | Mild |
Closures, reservations and alerts: Pinnacles National Park on nps.gov
All twelve months at Pinnacles · National parks to visit in September