Fort Vancouver National Historic Site in September
In September, Fort Vancouver National Historic Site averages a high of 76°F and a low of 52°F, with 1.4 inches of precipitation (rain plus melted snow). About 70,000 people visit, the 7th busiest of 12 (moderate). Days are 12 hours 29 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 76° / 52°F
- Precipitation
- 1.4in
- Snow
- –in
- Daylight
- 12h 29m
- Visitors
- 70,000
- Crowds
- Moderate
September is one of the best months to visit: mild weather with moderate crowds.
Weather 1991–2020 averages at Vancouver Pearson AP, WA, 0.3 miles from the park's center, 30 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Mount Rainier National Park | 57° / 41° | Moderate | Mild |
| Olympic National Park | 68° / 48° | Very busy | Mild |
| Crater Lake National Park | 63° / 37° | Moderate | Mild |
| North Cascades National Park | 71° / 50° | Busy | Mild |
| Ross Lake National Recreation Area | 70° / 50° | Busy | Mild |
Closures, reservations and alerts: Fort Vancouver National Historic Site on nps.gov
All twelve months at Fort Vancouver National Historic Site · National parks to visit in September