September is a good month at Big Bend — it ranks 3rd of the twelve here. Expect about 74% fewer visitors than March, the park's peak — 24,605 visits on average. Days run around 86°F by afternoon and 63°F at night, with 12.3 hours of daylight.
September against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| September (this page) | Good | 24,605 | −74% | 86°F | 63°F | 0" | 12.3 h |
| February (best) | Excellent | 48,002 | −48% | 66°F | 41°F | 0.1" | 11.1 h |
| March (peak crowds) | Good | 93,143 | peak | 74°F | 47°F | 0" | 11.9 h |
Weather figures are for the Panther Junction area — the Panther Junction station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is September a good time to visit Big Bend?
Yes — a solid month, if not the very best. September ranks 3 of 12 at Big Bend on crowds, weather, daylight, and access together.
How crowded is Big Bend in September?
About 24,605 recreation visits on average — 74% below March, the park's peak.
How warm is Big Bend in September?
Average highs around 86°F and lows around 63°F at the Panther Junction station.
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