Black Canyon Of The Gunnison National Park in September
September at Black Canyon Of The Gunnison National Park averages a daytime high near 72°F and an overnight low around 44°F, with about 2.1" of precipitation. Visitation runs about 1.8× the park's average month, which makes September a very busy month here.
- Average low
- 44°F
- Average high
- 72°F
Range across the year: 13°F to 82°F
- Precipitation
- 2.1 in
- Daylight
- 12.2 hours
Roughly 15% of the park's yearly visitors come in September: about 46,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 3rd-busiest of the park's twelve months, sitting between the July peak (1.8×) and the December low (0.2×).
On our Best Time to Visit score September rates 41/100 ("Poor"). Our recommended month is June: the lightest crowds of the park's good-weather months.
The daily average of about 58°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 2.6 miles from the park.
Because June, July and August together draw about 45% 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 12.2 hours of daylight in September to explore — between the 9.3-hour midwinter low and the 14.7-hour summer high.
Park-wide, 2025 drew 250,086 recreation visits, down 25.5% from 335,862 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 81°F / 52°F | 1.8× Very busy | 52 Fair |
| September | 72°F / 44°F | 1.8× Very busy | 41 Poor |
| October | 60°F / 33°F | 1.2× Busy | 39 Poor |
All twelve months at Black Canyon Of The Gunnison, with the best time to visit.
Things to do at Black Canyon Of The Gunnison in September
The National Park Service tags 9 Black Canyon Of The Gunnison activities for fall. Here are 8 of them. Each links to the park's own page for it.
Frequently Asked Questions
September averages a daytime high near 72°F and an overnight low around 44°F at Black Canyon Of The Gunnison National Park, with about 2.1 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is very busy at Black Canyon Of The Gunnison National Park (about 1.8× the average month). Our best-time score rates it "Poor" at 41/100. Our recommended month is June.
The busiest month is July and the quietest is December. September sits at about 1.8× the park's average, or 15% of annual visitation.
A typical September sees about 46,000 recreation visits at Black Canyon Of The Gunnison National Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Black Canyon Of The Gunnison in September
Booking a September trip to Black Canyon Of The Gunnison National Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Black Canyon Of The Gunnison
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.