Amache National Historic Site in September
September at Amache National Historic Site averages a daytime high near 83°F and an overnight low around 51°F, with about 1.2" of precipitation. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 51°F
- Average high
- 83°F
Range across the year: 15°F to 93°F
- Precipitation
- 1.2 in
- Daylight
- 12.2 hours
Roughly 9% of the park's yearly visitors come in September: about 720 recreation visits in a typical year, 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"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 67°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 10.7 miles from the park.
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.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 91°F / 61°F | 1.1× Average | 58 Fair |
| September | 83°F / 51°F | 1.1× Average | 78 Excellent |
| October | 71°F / 37°F | 0.7× Quiet | 67 Good |
All twelve months at Amache, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 83°F and an overnight low around 51°F at Amache National Historic Site, with about 1.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 10.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Amache National Historic Site (about 1.1× the average month). Our best-time score rates it "Excellent" at 78/100. Our recommended month 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
Booking a September trip to Amache National Historic Site? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Amache
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 (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.