How Crowded Is Big South Fork National River & Recreation Area in September?
September runs about 1.2× Big South Fork National River & Recreation Area's average month, which makes it a busy month here — roughly 10% of the park's yearly visitors come in September.
In a typical September the park sees about 79,000 recreation visits, based on National Park Service monthly counts from 1988 to 2025.
That makes September the 3rd-busiest of the park's twelve months, sitting between the October peak (1.3×) and the January low (0.5×).
On our Best Time to Visit score September rates 55/100 ("Fair"), versus the top-rated April at 52/100 — pleasant weather with noticeably thinner crowds (shoulder season).
Typical September weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 78°F and an overnight low around 55°F.
That average of about 66°F is a comfortable range for hiking and being outdoors all day.
Because June, July and August together draw about 30% 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 9.5-hour midwinter low and the 14.5-hour summer high.
Park-wide, 2025 drew 774,353 recreation visits, down 0.7% from 779,602 in 2024.
Frequently Asked Questions
September is busy at Big South Fork National River & Recreation Area (about 1.2× the average month). Our best-time score rates it "Fair". The single best month overall is April.
The busiest month is October and the quietest is January. September sits at about 1.2× the park's average, or 10% of annual visitation.
A typical September sees about 79,000 recreation visits at Big South Fork National River & Recreation Area, based on National Park Service monthly counts from 1988–2025.
Where to stay near Big South Fork in September
Booking a September trip to Big South Fork National River & Recreation Area? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Big South Fork
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Visiting Big South Fork in September?
Get crowd forecasts and lodging deals for Big South Fork by email. No spam, unsubscribe anytime.
See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1988–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-07-14.