Ste. Geneviève National Historical Park in September
September at Ste. Geneviève National Historical Park averages a daytime high near 81°F and an overnight low around 58°F, with about 2.9" of precipitation. Visitation runs about 1.2× the park's average month, which makes September a busy month here.
- Average low
- 58°F
- Average high
- 81°F
Range across the year: 24°F to 89°F
- Precipitation
- 2.9 in
- Daylight
- 12.2 hours
Roughly 10% of the park's yearly visitors come in September: roughly 2,000 recreation visits in a typical year, based on National Park Service monthly counts from 2024 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the August peak (1.7×) and the January low (0.2×).
On our Best Time to Visit score September rates 64/100 ("Good"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 70°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 5.3 miles from the park.
Because June, July and August together draw about 35% 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.
Park-wide, 2025 drew 16,525 recreation visits, down 30.8% from 23,893 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 88°F / 66°F | 1.7× Very busy | 35 Poor |
| September | 81°F / 58°F | 1.2× Busy | 64 Good |
| October | 70°F / 46°F | 0.9× Average | 61 Good |
All twelve months at Ste. Geneviève, with the best time to visit.
Things to do at Ste. Geneviève in September
The National Park Service tags 13 Ste. Geneviève activities for fall. Here are 8 of them. Each links to the park's own page for it.
- Embrace Your Creativity · reservation required
- Ask a Ste. Genevieve Ranger
- Houses of History · 30-60 minutes · reservation required
- Making a Home · reservation required
- Revisit the Past
- Stop and Smell the Roses
- Take the Wellness Challenge at Ste. Genevieve National Historical Park
- Visit the Bauvais-Amoureux House · 20-40 minutes · reservation required
Frequently Asked Questions
September averages a daytime high near 81°F and an overnight low around 58°F at Ste. Geneviève National Historical Park, with about 2.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5.3 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Ste. Geneviève National Historical Park (about 1.2× the average month). Our best-time score rates it "Good" at 64/100. Our recommended month is October.
The busiest month is August 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 2,000 recreation visits at Ste. Geneviève National Historical Park, based on National Park Service monthly counts from 2024–2025.
Where to stay near Ste. Geneviève in September
Booking a September trip to Ste. Geneviève National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Ste. Geneviève
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.