War In The Pacific National Historical Park in September
September at War In The Pacific National Historical Park averages a daytime high near 87°F and an overnight low around 76°F, with about 15.2" of precipitation. Visitation runs about 0.9× the park's average month, which makes September an average month here.
- Average low
- 76°F
- Average high
- 87°F
Range across the year: 75°F to 89°F
- Precipitation
- 15.2 in
- Daylight
- 12.1 hours
Roughly 8% of the park's yearly visitors come in September: about 30,000 recreation visits in a typical year, based on National Park Service monthly counts from 1985 to 2025.
That makes September the 11th-busiest of the park's twelve months, sitting between the May peak (1.2×) and the October low (0.9×).
On our Best Time to Visit score September rates 58/100 ("Fair"). Our recommended month is January: the lightest crowds of the park's good-weather months.
The daily average of about 82°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 12.2 miles from the park.
Because June, July and August together draw about 25% of annual visitors, choosing September instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 12.1 hours of daylight in September to explore — between the 11.2-hour midwinter low and the 12.8-hour summer high.
Park-wide, 2025 drew 397,733 recreation visits, up 6.4% from 373,974 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 87°F / 77°F | 1.0× Average | 51 Fair |
| September | 87°F / 76°F | 0.9× Average | 58 Fair |
| October | 87°F / 77°F | 0.9× Average | 59 Fair |
All twelve months at War In The Pacific, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 87°F and an overnight low around 76°F at War In The Pacific National Historical Park, with about 15.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 12.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at War In The Pacific National Historical Park (about 0.9× the average month). Our best-time score rates it "Fair" at 58/100. Our recommended month is January.
The busiest month is May and the quietest is October. September sits at about 0.9× the park's average, or 8% of annual visitation.
A typical September sees about 30,000 recreation visits at War In The Pacific National Historical Park, based on National Park Service monthly counts from 1985–2025.
Where to stay near War In The Pacific in September
Booking a September trip to War In The Pacific National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near War In The Pacific
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1985–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.