Crater Lake · September · Oregon

Crater Lake National Park in September

September is a prime month to visit Crater Lake National Park. Expect busy. Highs average 67°F and lows 42°F, with about 0.98 inches of rain.

September gets a prime rating at Crater Lake. The very best months are Jul–Sep.

RatingPrime
CrowdsBusy
Avg high / low67°F / 42°F
Rain0.98 in

Last prime month Best value

What to expect

September is prime at Crater Lake. September is the best month: clear skies, warm days and thinner crowds. The first heavy snows usually close Rim Drive in October or November.

Local tip

Snow often lingers on trails into July. If you want the full experience (Rim Drive, the boat, swimming), aim for late July through mid-September.

Good to know

  • Best months overall: Jul–Sep.
  • Closest airport: Medford (MFR), about 1.5 hours.
  • Before you go: The north entrance and most of Rim Drive close in winter. Boat tours are seasonal, usually July to September, and sell out. Check current conditions on nps.gov.

2-day Crater Lake itinerary · Packing list

Questions

Is September a good time to visit Crater Lake National Park?

September is a prime month to visit Crater Lake National Park. Expect busy. Highs average 67°F and lows 42°F, with about 0.98 inches of rain.

What is the weather like in Crater Lake National Park in September?

Highs average 67°F and lows 42°F, with about 0.98 inches of rain. September is rated prime for visiting.

How crowded is Crater Lake National Park in September?

September brings busy to Crater Lake National Park. Go early in the day and book lodging ahead.