Badlands in September: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 74/100 · #5 of 12 months
September is a solid shoulder-season month to visit Badlands National Park: crowds run 56% of the July peak (137,202 average visits), days average 79°F with 12.6 hours of daylight. Computed from NPS and NOAA data.
Crowds in September
Badlands averages 137,202 recreation visits in September — 56% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging.
Weather & daylight
Days are pleasant (highs average 79°F), and nights stay mild (lows average 47°F). It is typically dry (1.2″ of precipitation). Mid-month daylight runs 12.6 hours.
NOAA 1991–2020 monthly normals, station WASTA, SD US (22 mi from park coordinates, 2,328 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of September.
What to pack for Badlands in September
Computed from the month's weather normals above — not a generic list.
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
Want quieter or kinder conditions? The computed best months for Badlands are April and May.
Common questions
Is Badlands crowded in September?
Moderately: September runs 56% of the July peak, averaging 137,202 visits (NPS, 2021–2025).
What is the weather like in Badlands in September?
Average highs of 79°F, lows of 47°F, 1.2″ of precipitation (NOAA 1991–2020 normals, WASTA, SD US station).
What should I pack for Badlands in September?
Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in September · Last verified 2026-07-16