Lyndon B Johnson National Historical Park in September
September at Lyndon B Johnson National Historical Park averages a daytime high near 90°F and an overnight low around 64°F, with about 3.4" of precipitation. Visitation runs about 0.8× the park's average month, which makes September a quiet month here.
- Average low
- 64°F
- Average high
- 90°F
Range across the year: 35°F to 97°F
- Precipitation
- 3.4 in
- Daylight
- 12.2 hours
Roughly 7% of the park's yearly visitors come in September: roughly 7,500 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 10th-busiest of the park's twelve months, sitting between the March peak (1.7×) and the August low (0.7×).
On our Best Time to Visit score September rates 61/100 ("Good"). Our recommended month is February: the lightest crowds of the park's good-weather months.
The daily average of about 77°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 12.2 miles from the park.
Because June, July and August together draw about 21% 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 38,456 recreation visits, down 67.8% from 119,278 in 2024.
Across the past decade overall visitation has eased about 16.4%, 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 | 97°F / 71°F | 0.7× Quiet | 50 Fair |
| September | 90°F / 64°F | 0.8× Quiet | 61 Good |
| October | 82°F / 54°F | 1.1× Average | 69 Good |
All twelve months at Lyndon B Johnson, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 90°F and an overnight low around 64°F at Lyndon B Johnson National Historical Park, with about 3.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 12.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is quiet at Lyndon B Johnson National Historical Park (about 0.8× the average month). Our best-time score rates it "Good" at 61/100. Our recommended month is February.
The busiest month is March and the quietest is August. September sits at about 0.8× the park's average, or 7% of annual visitation.
A typical September sees about 7,000 recreation visits at Lyndon B Johnson National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Lyndon B Johnson in September
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Top-rated places to stay near Lyndon B Johnson
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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.