Amistad National Recreation Area in September
September at Amistad National Recreation Area averages a daytime high near 90°F and an overnight low around 69°F, with about 3.2" of precipitation. Visitation runs about 1× the park's average month, which makes September an average month here.
- Average low
- 69°F
- Average high
- 90°F
Range across the year: 40°F to 97°F
- Precipitation
- 3.2 in
- Daylight
- 12.2 hours
Roughly 8% of the park's yearly visitors come in September: about 87,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 7th-busiest of the park's twelve months, sitting between the May peak (1.3×) and the January low (0.7×).
On our Best Time to Visit score September rates 43/100 ("Poor"). Our recommended month is February: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 80°F is hot, with afternoons near 90°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 5.9 miles from the park.
Because June, July and August together draw about 29% 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 734,293 recreation visits, down 11.8% from 832,294 in 2024.
Across the past decade overall visitation has eased about 28.8%, 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 | 97°F / 74°F | 1.0× Average | 28 Poor |
| September | 90°F / 69°F | 1.0× Average | 43 Poor |
| October | 82°F / 60°F | 1.0× Average | 66 Good |
All twelve months at Amistad, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 90°F and an overnight low around 69°F at Amistad National Recreation Area, with about 3.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5.9 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Amistad National Recreation Area (about 1.0× the average month). Our best-time score rates it "Poor" at 43/100. Our recommended month is February.
The busiest month is May and the quietest is January. September sits at about 1.0× the park's average, or 8% of annual visitation.
A typical September sees about 87,000 recreation visits at Amistad National Recreation Area, based on National Park Service monthly counts from 1979–2025.
Where to stay near Amistad in September
Booking a September trip to Amistad National Recreation Area? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Amistad
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.