Crater Lake weather in September
Mild and comfortable, with occasional showers. Average highs of 18°C and lows of 6°C, with around 6 rainy days expected throughout the month.
While September isn't our top-rated month for Crater Lake, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
18°C
Average low
6°C
Rainy days
6 days
Best months to visit
July, August
What to do in Crater Lake in September
Whatever the weather, Crater Lake rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
1C
Cold, with regular rainfall.
February
1C
Cold, with some rainy days.
March
3C
Cold, with regular rainfall.
April
6C
Cold, with some rainy days.
May
10C
Cool, with occasional showers.
June
17C
Cool, with occasional showers.
Recommended
July
23C
Mild and comfortable, and mostly sunny skies.
Recommended
August
23C
Mild and comfortable, and mostly sunny skies.
September (you are here)
18C
Mild and comfortable, with occasional showers.
October
12C
Cool, with some rainy days.
November
5C
Cold, with some rainy days.
December
1C
Cold, with regular rainfall.
Book your September trip to Crater Lake
Find hotels, tours and experiences for the perfect escape.
