John Fitzgerald Kennedy National Historic Site in September
September at John Fitzgerald Kennedy National Historic Site averages a daytime high near 76°F and an overnight low around 55°F, with about 4" of precipitation. Visitation runs about 1.2× the park's average month, which makes September a busy month here.
- Average low
- 55°F
- Average high
- 76°F
Range across the year: 19°F to 85°F
- Precipitation
- 4.0 in
- Daylight
- 12.3 hours
Roughly 10% of the park's yearly visitors come in September: roughly 2,300 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 5th-busiest of the park's twelve months, sitting between the October peak (3.4×) and the January low (0.1×).
On our Best Time to Visit score September rates 73/100 ("Good"). Our recommended month is May: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 65°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 miles from the park.
Because June, July and August together draw about 44% 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 8.9-hour midwinter low and the 15.1-hour summer high.
Park-wide, 2024 drew 18,180 recreation visits, down 26.8% from 24,838 in 2019.
Across the past decade overall visitation has risen about 19.2%, so a September visit is likely to feel busier than it did a few years ago.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 83°F / 63°F | 1.9× Very busy | 65 Good |
| September | 76°F / 55°F | 1.2× Busy | 73 Good |
| October | 64°F / 43°F | 3.4× Very busy | 27 Poor |
All twelve months at John Fitzgerald Kennedy, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 76°F and an overnight low around 55°F at John Fitzgerald Kennedy National Historic Site, with about 4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at John Fitzgerald Kennedy National Historic Site (about 1.2× the average month). Our best-time score rates it "Good" at 73/100. Our recommended month is May.
The busiest month is October 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 John Fitzgerald Kennedy National Historic Site, based on National Park Service monthly counts from 1979–2025.
Where to stay near John Fitzgerald Kennedy in September
Booking a September trip to John Fitzgerald Kennedy National Historic Site? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near John Fitzgerald Kennedy
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 John Fitzgerald Kennedy in September?
Get crowd forecasts and lodging deals for John Fitzgerald Kennedy 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.