Yellowstone · September · Wyoming & Montana & Idaho
Yellowstone National Park in September
September is a prime month to visit Yellowstone National Park. Expect peak crowds. Highs average 59°F and lows 38°F, with about 2.08 inches of rain.
September gets a prime rating at Yellowstone. The very best months are Jun, Sep.
Prime season starts Last prime month Best value
What to expect
September is prime at Yellowstone. September is exceptional, with elk bugling, fewer people and golden light. Roads begin closing in early November.
The park is huge. Plan on at least three days, and base yourself in two different areas.
Good to know
- Best months overall: Jun, Sep.
- Closest airport: Bozeman (BZN) or Jackson Hole (JAC), about 1.5 hours.
- Before you go: Most park roads close to regular vehicles from early November to April. The road from the north entrance to Cooke City stays open year-round. Check current conditions on nps.gov.
Questions
Is September a good time to visit Yellowstone National Park?
September is a prime month to visit Yellowstone National Park. Expect peak crowds. Highs average 59°F and lows 38°F, with about 2.08 inches of rain.
What is the weather like in Yellowstone National Park in September?
Highs average 59°F and lows 38°F, with about 2.08 inches of rain. September is rated prime for visiting.
How crowded is Yellowstone National Park in September?
September brings peak crowds to Yellowstone National Park. Go early in the day and book lodging ahead.