Paterson Great Falls National Historical Park in September
September at Paterson Great Falls National Historical Park averages a daytime high near 76°F and an overnight low around 56°F. Visitation runs about 1.7× the park's average month, which makes September a very busy month here.
- Average low
- 56°F
- Average high
- 76°F
Range across the year: 22°F to 87°F
- Daylight
- 12.3 hours
Roughly 14% of the park's yearly visitors come in September: about 36,000 recreation visits in a typical year, based on National Park Service monthly counts from 2016 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the July peak (2.1×) and the January low (0.4×).
On our Best Time to Visit score September rates 61/100 ("Good"). Our recommended month is May: 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 3.2 miles from the park.
Because June, July and August together draw about 48% 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 9.1-hour midwinter low and the 14.9-hour summer high.
Park-wide, 2025 drew 189,721 recreation visits, down 10% from 210,741 in 2024.
Across the past decade overall visitation has eased about 7.1%, 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 | 84°F / 64°F | 1.9× Very busy | 54 Fair |
| September | 76°F / 56°F | 1.7× Very busy | 61 Good |
| October | 65°F / 44°F | 0.8× Quiet | 67 Good |
All twelve months at Paterson Great Falls, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 76°F and an overnight low around 56°F at Paterson Great Falls National Historical Park. 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 very busy at Paterson Great Falls National Historical Park (about 1.7× the average month). Our best-time score rates it "Good" at 61/100. Our recommended month is May.
The busiest month is July and the quietest is January. September sits at about 1.7× the park's average, or 14% of annual visitation.
A typical September sees about 36,000 recreation visits at Paterson Great Falls National Historical Park, based on National Park Service monthly counts from 2016–2025.
Where to stay near Paterson Great Falls in September
Booking a September trip to Paterson Great Falls National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Paterson Great Falls
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (2016–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.