September is a tough month at Death Valley — it ranks 9th of the twelve here. Expect about 62% fewer visitors than March, the park's peak — 61,474 visits on average. Days run around 108°F by afternoon and 79°F at night, with 12.4 hours of daylight. Heat is the story here — start at dawn, carry more water than feels reasonable, and be done by midday.
September against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| September (this page) | Tough | 61,474 | −62% | 108°F | 79°F | 0" | 12.4 h |
| January (best) | Good | 93,132 | −42% | 67°F | 43°F | 0" | 9.9 h |
| March (peak crowds) | Good | 161,109 | peak | 83°F | 57°F | 0" | 11.9 h |
Weather figures are for the Furnace Creek area (below sea level) — the Death Valley NP 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 Death Valley?
It is the tough season — doable with preparation, but the numbers say most people should pick another month. September ranks 9 of 12 at Death Valley on crowds, weather, daylight, and access together.
How crowded is Death Valley in September?
About 61,474 recreation visits on average — 62% below March, the park's peak.
How warm is Death Valley in September?
Average highs around 108°F and lows around 79°F at the Death Valley NP station.
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