Hopewell Culture National Historical Park in September
September at Hopewell Culture National Historical Park averages a daytime high near 79°F and an overnight low around 54°F. Visitation runs about 1.2× the park's average month, which makes September a busy month here.
- Average low
- 54°F
- Average high
- 79°F
Range across the year: 21°F to 85°F
- Daylight
- 12.2 hours
Roughly 10% of the park's yearly visitors come in September: roughly 5,300 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the July peak (1.8×) and the January low (0.2×).
On our Best Time to Visit score September rates 67/100 ("Good"). Our recommended month is April: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 66°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 5.8 miles from the park.
Because June, July and August together draw about 40% 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 51,969 recreation visits, down 20.5% from 65,350 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 85°F / 62°F | 1.5× Busy | 57 Fair |
| September | 79°F / 54°F | 1.2× Busy | 67 Good |
| October | 67°F / 43°F | 1.3× Busy | 48 Fair |
All twelve months at Hopewell Culture, with the best time to visit.
Things to do at Hopewell Culture in September
The National Park Service tags 6 Hopewell Culture activities for fall. Each links to the park's own page for it.
- Hiking & Exploring Hopeton Earthworks · 60-180 minutes
- Hiking & Exploring Hopewell Mound Group · 45-180 minutes
- Hiking & Exploring Mound City Group · 20-180 minutes
- Hiking & Exploring Seip Earthworks · 30-180 minutes
- Junior Ranger Program at Hopewell Culture NHP · 30-120 minutes
- Mysteries of the Ancient Architects Film · 19 minutes
Frequently Asked Questions
September averages a daytime high near 79°F and an overnight low around 54°F at Hopewell Culture National Historical Park. These are 1991–2020 NOAA climate normals from the nearest station, about 5.8 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Hopewell Culture National Historical Park (about 1.2× the average month). Our best-time score rates it "Good" at 67/100. Our recommended month is April.
The busiest month is July and the quietest is January. September sits at about 1.2× the park's average, or 10% of annual visitation.
A typical September sees about 5,000 recreation visits at Hopewell Culture National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Hopewell Culture in September
Booking a September trip to Hopewell Culture National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Hopewell Culture
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 (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.