Morristown National Historical Park in September
September at Morristown National Historical Park averages a daytime high near 78°F and an overnight low around 56°F, with about 4.6" of precipitation. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 56°F
- Average high
- 78°F
Range across the year: 22°F to 86°F
- Precipitation
- 4.6 in
- Daylight
- 12.3 hours
Roughly 9% of the park's yearly visitors come in September: about 23,000 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 April peak (1.3×) and the January low (0.6×).
On our Best Time to Visit score September rates 59/100 ("Fair"). Our recommended month is August: 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 9.6 miles from the park.
Because June, July and August together draw about 30% 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 183,001 recreation visits, down 12.1% from 208,138 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 85°F / 64°F | 1.0× Average | 59 Fair |
| September | 78°F / 56°F | 1.1× Average | 59 Fair |
| October | 66°F / 44°F | 1.3× Busy | 32 Poor |
All twelve months at Morristown, with the best time to visit.
Things to do at Morristown in September
The National Park Service tags 4 Morristown activities for fall. Each links to the park's own page for it.
- Drop By Fort Nonsense in Morristown · 15-30 minutes
- Experience Jockey Hollow
- Explore the Cross Estate Gardens and Hike to the NJ Brigade Encampment Site
- Go on a Guided Tour of the Ford Mansion · 45 minutes · reservation required
Frequently Asked Questions
September averages a daytime high near 78°F and an overnight low around 56°F at Morristown National Historical Park, with about 4.6 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 9.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Morristown National Historical Park (about 1.1× the average month). Our best-time score rates it "Fair" at 59/100. Our recommended month is August.
The busiest month is April 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 23,000 recreation visits at Morristown National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Morristown in September
Booking a September trip to Morristown National Historical Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Morristown
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.