Yukon - Charley Rivers National Preserve in September
September at Yukon - Charley Rivers National Preserve averages a daytime high near 54°F and an overnight low around 31°F, with about 1.3" of precipitation and roughly 2" of snow. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 31°F
- Average high
- 54°F
Range across the year: -17°F to 73°F
- Precipitation
- 1.3 in
- Snowfall
- 2 in
- Daylight
- 12.6 hours
Roughly 9% of the park's yearly visitors come in September: about 510 recreation visits in a typical year, based on National Park Service monthly counts from 1982 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the August peak (3.4×) and the November low (0.1×).
On our Best Time to Visit score September rates 50/100 ("Fair"). Our recommended month is June: the lightest crowds of the park's good-weather months.
The daily average of about 43°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 51.2 miles from the park.
Because June, July and August together draw about 75% 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 12.6 hours of daylight in September to explore — between the 2.9-hour midwinter low and the 21.1-hour summer high.
Park-wide, 2018 drew 1,272 recreation visits, up 12.3% from 1,133 in 2015.
Across the past decade overall visitation has eased about 80.2%, so September may feel a touch quieter than it once did.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 67°F / 42°F | 3.4× Very busy | 41 Poor |
| September | 54°F / 31°F | 1.1× Average | 50 Fair |
| October | 33°F / 16°F | 0.1× Very quiet | 2 Poor |
All twelve months at Yukon - Charley Rivers, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 54°F and an overnight low around 31°F at Yukon - Charley Rivers National Preserve, with about 1.3 inches of precipitation and roughly 2 inches of snow. These are 1991–2020 NOAA climate normals from the nearest station, about 51.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Yukon - Charley Rivers National Preserve (about 1.1× the average month). Our best-time score rates it "Fair" at 50/100. Our recommended month is June.
The busiest month is August and the quietest is November. September sits at about 1.1× the park's average, or 9% of annual visitation.
A typical September sees about 1,000 recreation visits at Yukon - Charley Rivers National Preserve, based on National Park Service monthly counts from 1982–2025.
Where to stay near Yukon - Charley Rivers in September
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Top-rated places to stay near Yukon - Charley Rivers
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1982–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.