Jean Lafitte National Historical Park and Preserve in September
September at Jean Lafitte National Historical Park and Preserve averages a daytime high near 87°F and an overnight low around 70°F, with about 6.3" of precipitation. Visitation runs about 0.8× the park's average month, which makes September a quiet month here.
- Average low
- 70°F
- Average high
- 87°F
Range across the year: 43°F to 90°F
- Precipitation
- 6.3 in
- Daylight
- 12.2 hours
Roughly 7% of the park's yearly visitors come in September: about 22,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
It is the quietest month of the year at Jean Lafitte; by contrast March, the busiest, runs about 1.4× the average — so September is the easiest time to have the place largely to yourself.
On our Best Time to Visit score September rates 69/100 ("Good"). Our recommended month is November: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 78°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 2.7 miles from the park.
Because June, July and August together draw about 24% 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 10.1-hour midwinter low and the 13.9-hour summer high.
Park-wide, 2025 drew 226,543 recreation visits, up 6.6% from 212,591 in 2024.
Across the past decade overall visitation has eased about 45.4%, 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 | 90°F / 74°F | 0.8× Quiet | 58 Fair |
| September | 87°F / 70°F | 0.8× Quiet | 69 Good |
| October | 79°F / 61°F | 1.0× Average | 73 Good |
All twelve months at Jean Lafitte, with the best time to visit.
Things to do at Jean Lafitte in September
The National Park Service tags 9 Jean Lafitte activities for fall. Here are 8 of them. Each links to the park's own page for it.
Frequently Asked Questions
September averages a daytime high near 87°F and an overnight low around 70°F at Jean Lafitte National Historical Park and Preserve, with about 6.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is quiet at Jean Lafitte National Historical Park and Preserve (about 0.8× the average month). Our best-time score rates it "Good" at 69/100. Our recommended month is November.
The busiest month is March and the quietest is September. September sits at about 0.8× the park's average, or 7% of annual visitation.
A typical September sees about 22,000 recreation visits at Jean Lafitte National Historical Park and Preserve, based on National Park Service monthly counts from 1979–2025.
Where to stay near Jean Lafitte in September
Booking a September trip to Jean Lafitte National Historical Park and Preserve? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Jean Lafitte
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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Visiting Jean Lafitte in September?
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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.