Little Bighorn Battlefield National Monument in September
September at Little Bighorn Battlefield National Monument averages a daytime high near 79°F and an overnight low around 44°F, with about 1.4" of precipitation. Visitation runs about 1.5× the park's average month, which makes September a busy month here.
- Average low
- 44°F
- Average high
- 79°F
Range across the year: 11°F to 91°F
- Precipitation
- 1.4 in
- Daylight
- 12.3 hours
Roughly 12% of the park's yearly visitors come in September: about 32,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the July peak (2.9×) and the December low (0.1×).
On our Best Time to Visit score September rates 65/100 ("Good"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 62°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 15.2 miles from the park.
Because June, July and August together draw about 66% 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 8.5-hour midwinter low and the 15.5-hour summer high.
Park-wide, 2024 drew 111,825 recreation visits, down 50.8% from 227,295 in 2023.
Across the past decade overall visitation has eased about 30.8%, 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 | 90°F / 53°F | 2.3× Very busy | 49 Fair |
| September | 79°F / 44°F | 1.5× Busy | 65 Good |
| October | 64°F / 33°F | 0.5× Very quiet | 59 Fair |
All twelve months at Little Bighorn Battlefield, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 79°F and an overnight low around 44°F at Little Bighorn Battlefield National Monument, with about 1.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 15.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Little Bighorn Battlefield National Monument (about 1.5× the average month). Our best-time score rates it "Good" at 65/100. Our recommended month is May.
The busiest month is July and the quietest is December. September sits at about 1.5× the park's average, or 12% of annual visitation.
A typical September sees about 32,000 recreation visits at Little Bighorn Battlefield National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near Little Bighorn Battlefield in September
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Top-rated places to stay near Little Bighorn Battlefield
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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.