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WhenToVisitParks

Big South Fork National River & Recreation Area in September

Busy1.2× average month · best-time score 55/100

September at Big South Fork National River & Recreation Area averages a daytime high near 78°F and an overnight low around 55°F. Visitation runs about 1.2× the park's average month, which makes September a busy month here.

Average low
55°F
Average high
78°F

Range across the year: 24°F to 83°F

Crowds
1.2× averageBusy
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Daylight
12.2 hours

Roughly 10% of the park's yearly visitors come in September: about 79,000 recreation visits in a typical year, 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"). Our recommended month is April: pleasant weather with noticeably thinner crowds (shoulder season).

The daily average of about 66°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 7.4 miles from the park.

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.

How September compares with the months around it

MonthAvg high / lowCrowdsBest-time score
August83°F / 61°F1.1× Average63 Good
September78°F / 55°F1.2× Busy55 Fair
October69°F / 44°F1.3× Busy37 Poor

All twelve months at Big South Fork, with the best time to visit.

Reviewed by WhenToVisitParks Editorial Team · Updated

Frequently Asked Questions

September averages a daytime high near 78°F and an overnight low around 55°F at Big South Fork National River & Recreation Area. These are 1991–2020 NOAA climate normals from the nearest station, about 7.4 miles from the park, so conditions inside the park can differ, especially at other elevations.

September is busy at Big South Fork National River & Recreation Area (about 1.2× the average month). Our best-time score rates it "Fair" at 55/100. Our recommended month 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

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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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 2026-10-11.