September is a good month at Olympic — it ranks 8th of the twelve here. Expect about 33% fewer visitors than August, the park's peak — 420,210 visits on average. Days run around 65°F by afternoon and 51°F at night, with 12.5 hours of daylight.
September against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| September (this page) | Good | 420,210 | −33% | 65°F | 51°F | 0" | 12.5 h |
| April (best) | Excellent | 134,215 | −79% | 54°F | 42°F | 0" | 13.6 h |
| August (peak crowds) | Good | 625,799 | peak | 67°F | 55°F | 0" | 14.3 h |
Weather figures are for the Port Angeles area (sea level — Hurricane Ridge runs 20°F cooler) — the Port Angeles station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is September a good time to visit Olympic?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. September ranks 8 of 12 at Olympic on crowds, weather, daylight, and access together.
How crowded is Olympic in September?
About 420,210 recreation visits on average — 33% below August, the park's peak.
How warm is Olympic in September?
Average highs around 65°F and lows around 51°F at the Port Angeles station.
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