San Antonio Missions National Historical Park in September
In September, San Antonio Missions National Historical Park averages a high of 91°F and a low of 71°F, with 3.1 inches of precipitation (rain plus melted snow). About 133,000 people visit, the 2nd busiest of 12 (very busy). Days are 12 hours 18 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 91° / 71°F
- Precipitation
- 3.1in
- Snow
- –in
- Daylight
- 12h 18m
- Visitors
- 133,000
- Crowds
- Very busy
Best months for weather and crowds instead: February (busy), November (busy) and December (busy).
Weather 1991–2020 averages at San Antonio Stinson AP, TX, 1.1 miles from the park's center, 571 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Big Bend National Park | 86° / 63° | Quiet | Hot |
| Chickasaw National Recreation Area | 86° / 62° | Moderate | Hot |
| Carlsbad Caverns National Park | 83° / 60° | Busy | Hot |
| Guadalupe Mountains National Park | 81° / 61° | Moderate | Hot |
| Lake Meredith National Recreation Area | 87° / 57° | Moderate | Hot |
Closures, reservations and alerts: San Antonio Missions National Historical Park on nps.gov
All twelve months at San Antonio Missions National Historical Park · National parks to visit in September