How Crowded Is River Raisin National Battlefield Park in September?
September runs about 1× River Raisin National Battlefield Park's average month, which makes it an average month here — roughly 8% of the park's yearly visitors come in September.
In a typical September the park sees about 19,000 recreation visits, 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"), versus the top-rated October at 62/100 — 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 75°F and an overnight low around 54°F.
That average of about 64°F is a comfortable range for hiking and being outdoors all day.
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.
Frequently Asked Questions
September is average at River Raisin National Battlefield Park (about 1.0× the average month). Our best-time score rates it "Excellent". The single best month overall 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
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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 2026-07-14.