River Raisin National Battlefield Park in September
September at River Raisin National Battlefield Park averages a daytime high near 75°F and an overnight low around 54°F. Visitation runs about 1× the park's average month, which makes September an average month here.
- Average low
- 54°F
- Average high
- 75°F
Range across the year: 18°F to 85°F
- Daylight
- 12.3 hours
Roughly 8% of the park's yearly visitors come in September: about 19,000 recreation visits in a typical year, based on National Park Service monthly counts from 2011 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the July peak (1.5×) and the November low (0.7×).
On our Best Time to Visit score September rates 75/100 ("Excellent"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 64°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 2.1 miles from the park.
Because June, July and August together draw about 33% 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 9-hour midwinter low and the 15-hour summer high.
Park-wide, 2025 drew 133,643 recreation visits, down 44.4% from 240,556 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 82°F / 61°F | 1.3× Busy | 62 Good |
| September | 75°F / 54°F | 1.0× Average | 75 Excellent |
| October | 63°F / 42°F | 0.9× Average | 62 Good |
All twelve months at River Raisin, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 75°F and an overnight low around 54°F at River Raisin National Battlefield Park. These are 1991–2020 NOAA climate normals from the nearest station, about 2.1 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at River Raisin National Battlefield Park (about 1.0× the average month). Our best-time score rates it "Excellent" at 75/100. Our recommended month is October.
The busiest month is July and the quietest is November. September sits at about 1.0× the park's average, or 8% of annual visitation.
A typical September sees about 19,000 recreation visits at River Raisin National Battlefield Park, based on National Park Service monthly counts from 2011–2025.
Where to stay near River Raisin in September
Booking a September trip to River Raisin National Battlefield Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near River Raisin
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 (2011–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.