How Crowded Is Amache National Historic Site in September?
September runs about 1.1× Amache National Historic Site's average month, which makes it an average month here — roughly 9% of the park's yearly visitors come in September.
In a typical September the park sees about 720 recreation visits, based on National Park Service monthly counts from 2024 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the May peak (2.6×) and the January low (0.4×).
On our Best Time to Visit score September rates 78/100 ("Excellent"), versus the top-rated October at 67/100 — 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 83°F and an overnight low around 51°F, with about 1.2" of precipitation.
That average of about 67°F is a comfortable range for hiking and being outdoors all day.
Because June, July and August together draw about 29% 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 9.4-hour midwinter low and the 14.6-hour summer high.
Frequently Asked Questions
September is average at Amache National Historic Site (about 1.1× the average month). Our best-time score rates it "Excellent". The single best month overall is October.
The busiest month is May and the quietest is January. September sits at about 1.1× the park's average, or 9% of annual visitation.
A typical September sees about 1,000 recreation visits at Amache National Historic Site, based on National Park Service monthly counts from 2024–2025.
Where to stay near Amache 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 (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-07-14.