How Crowded Is Dayton Aviation Heritage National Historical Park in September?
September runs about 1× Dayton Aviation Heritage National Historical 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 roughly 6,800 recreation visits, based on National Park Service monthly counts from 1996 to 2025.
That makes September the 7th-busiest of the park's twelve months, sitting between the May peak (1.7×) and the January low (0.2×).
On our Best Time to Visit score September rates 48/100 ("Fair"), versus the top-rated January at 78/100 — the best overall balance of crowds and daylight.
Because June, July and August together draw about 32% 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 9.2-hour midwinter low and the 14.8-hour summer high.
Park-wide, 2025 drew 79,760 recreation visits, down 8.4% from 87,032 in 2024.
Frequently Asked Questions
September is average at Dayton Aviation Heritage National Historical Park (about 1.0× the average month). Our best-time score rates it "Fair". The single best month overall is January.
The busiest month is May and the quietest is January. September sits at about 1.0× the park's average, or 8% of annual visitation.
A typical September sees about 7,000 recreation visits at Dayton Aviation Heritage National Historical Park, based on National Park Service monthly counts from 1996–2025.
Where to stay near Dayton Aviation Heritage in September
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Top-rated places to stay near Dayton Aviation Heritage
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1996–2025). Updated 2026-07-14.