Nez Perce National Historical Park in September
September at Nez Perce National Historical Park averages a daytime high near 77°F and an overnight low around 45°F. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 45°F
- Average high
- 77°F
Range across the year: 24°F to 89°F
- Daylight
- 12.3 hours
Roughly 9% of the park's yearly visitors come in September: about 28,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 5th-busiest of the park's twelve months, sitting between the August peak (1.4×) and the January low (0.7×).
September is our recommended month at Nez Perce: the lightest crowds of the park's good-weather months.
The daily average of about 61°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 2.8 miles from the park.
Because June, July and August together draw about 33% 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 12.3 hours of daylight in September to explore — between the 8.5-hour midwinter low and the 15.5-hour summer high.
Park-wide, 2025 drew 343,910 recreation visits, about flat from 342,924 in 2024.
Across the past decade overall visitation has risen about 31.8%, so a September visit is likely to feel busier than it did a few years ago.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 89°F / 51°F | 1.4× Busy | 45 Fair |
| September | 77°F / 45°F | 1.1× Average | 62 Good |
| October | 62°F / 37°F | 1.0× Average | 51 Fair |
All twelve months at Nez Perce, with the best time to visit.
Things to do at Nez Perce in September
The National Park Service tags 3 Nez Perce activities for fall. Each links to the park's own page for it.
- Watch the Coho Salmon Run on Lapwai Creek · 10-120 minutes
- Nez Perce Legends Tour
- Spalding Walking Tour · 30-90 minutes
Frequently Asked Questions
September averages a daytime high near 77°F and an overnight low around 45°F at Nez Perce National Historical Park. These are 1991–2020 NOAA climate normals from the nearest station, about 2.8 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Nez Perce National Historical Park (about 1.1× the average month). Our best-time score rates it "Good" at 62/100. September is our recommended month for this park.
The busiest month is August and the quietest is January. September sits at about 1.1× the park's average, or 9% of annual visitation.
A typical September sees about 28,000 recreation visits at Nez Perce National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Nez Perce in September
Booking a September trip to Nez Perce National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Nez Perce
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.