Niobrara National Scenic River in September
September at Niobrara National Scenic River averages a daytime high near 78°F and an overnight low around 48°F. Visitation runs about 1.2× the park's average month, which makes September a busy month here.
- Average low
- 48°F
- Average high
- 78°F
Range across the year: 9°F to 88°F
- Daylight
- 12.3 hours
Roughly 10% of the park's yearly visitors come in September: roughly 8,000 recreation visits in a typical year, based on National Park Service monthly counts from 2004 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the July peak (4×) and the December low (0.1×).
On our Best Time to Visit score September rates 77/100 ("Excellent"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 63°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 7.8 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 12.3 hours of daylight in September to explore — between the 8.9-hour midwinter low and the 15.1-hour summer high.
Park-wide, 2025 drew 77,476 recreation visits, up 4.2% from 74,387 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 86°F / 57°F | 3.1× Very busy | 61 Good |
| September | 78°F / 48°F | 1.2× Busy | 77 Excellent |
| October | 63°F / 34°F | 0.3× Very quiet | 68 Good |
All twelve months at Niobrara, with the best time to visit.
Things to do at Niobrara in September
The National Park Service tags 4 Niobrara activities for fall. Each links to the park's own page for it.
- Float the Niobrara River · 1-8 hours
- Bike the Cowboy Trail
- Hike to Fort Falls · 20-60 minutes
- Shoot Winter Photography at Fort Falls
Frequently Asked Questions
September averages a daytime high near 78°F and an overnight low around 48°F at Niobrara National Scenic River. These are 1991–2020 NOAA climate normals from the nearest station, about 7.8 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Niobrara National Scenic River (about 1.2× the average month). Our best-time score rates it "Excellent" at 77/100. Our recommended month is May.
The busiest month is July and the quietest is December. September sits at about 1.2× the park's average, or 10% of annual visitation.
A typical September sees about 8,000 recreation visits at Niobrara National Scenic River, based on National Park Service monthly counts from 2004–2025.
Where to stay near Niobrara in September
Booking a September trip to Niobrara National Scenic River? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Niobrara
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 (2004–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.