Fort Stanwix National Monument in September
September at Fort Stanwix National Monument averages a daytime high near 72°F and an overnight low around 51°F, with about 4" of precipitation. Visitation runs about 1.3× the park's average month, which makes September a busy month here.
- Average low
- 51°F
- Average high
- 72°F
Range across the year: 13°F to 81°F
- Precipitation
- 4.0 in
- Daylight
- 12.3 hours
Roughly 11% of the park's yearly visitors come in September: roughly 8,400 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the July peak (3.4×) and the January low (0.2×).
On our Best Time to Visit score September rates 66/100 ("Good"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 61°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 3.2 miles from the park.
Because June, July and August together draw about 54% 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 8.8-hour midwinter low and the 15.2-hour summer high.
Park-wide, 2025 drew 77,507 recreation visits, down 2.8% from 79,704 in 2024.
Across the past decade overall visitation has eased about 13.3%, so September may feel a touch quieter than it once did.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 79°F / 58°F | 1.7× Very busy | 72 Good |
| September | 72°F / 51°F | 1.3× Busy | 66 Good |
| October | 59°F / 41°F | 0.8× Quiet | 55 Fair |
All twelve months at Fort Stanwix, with the best time to visit.
Things to do at Fort Stanwix in September
The National Park Service tags 14 Fort Stanwix activities for fall. Here are 8 of them. Each links to the park's own page for it.
- A Forgotten Civil War: The Revolution in the Mohawk Valley · 15-30 minutes
- Colonial Dress-Up Trunk · 5-15 minutes
- Explore the Fort Garden · 10-15 minutes
- Fort Stanwix B.A.R.K. Rangers!
- Historic Fort Self-Guided Tour · 20-60 minutes
- Junior Rangers at Fort Stanwix! · 30-180 minutes
- New York State Rev War Parks · 1-2 days · reservation required
- Picnic at the Park
Frequently Asked Questions
September averages a daytime high near 72°F and an overnight low around 51°F at Fort Stanwix National Monument, with about 4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Fort Stanwix National Monument (about 1.3× the average month). Our best-time score rates it "Good" at 66/100. Our recommended month is May.
The busiest month is July and the quietest is January. September sits at about 1.3× the park's average, or 11% of annual visitation.
A typical September sees about 8,000 recreation visits at Fort Stanwix National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near Fort Stanwix in September
Booking a September trip to Fort Stanwix National Monument? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Fort Stanwix
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Visiting Fort Stanwix in September?
Get crowd forecasts and lodging deals for Fort Stanwix by email. No spam, unsubscribe anytime.
See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.