Olympic · September · Washington
Olympic National Park in September
September is a prime month to visit Olympic National Park. Expect busy. Highs average 59°F and lows 42°F, with about 3.9 inches of rain.
September gets a prime rating at Olympic. The very best months are Jul–Sep.
Last prime month Best value
What to expect
September is prime at Olympic. Early fall is still lovely. Rain returns in October, mushrooms appear and salmon run up the rivers.
The park is a giant loop with no road through the middle, so plan at least three days and base yourself on different sides.
Good to know
- Best months overall: Jul–Sep.
- Closest airport: Seattle–Tacoma (SEA), about 2.5–3 hours.
- Before you go: Check tide tables before coastal hikes; some headlands can only be passed at low tide. Check current conditions on nps.gov.
Questions
Is September a good time to visit Olympic National Park?
September is a prime month to visit Olympic National Park. Expect busy. Highs average 59°F and lows 42°F, with about 3.9 inches of rain.
What is the weather like in Olympic National Park in September?
Highs average 59°F and lows 42°F, with about 3.9 inches of rain. September is rated prime for visiting.
How crowded is Olympic National Park in September?
September brings busy to Olympic National Park. Go early in the day and book lodging ahead.