Weather in September 2025

Bellevue weather in September 2025

The temperatures in Bellevue in September are comfortable with low of 11°C and and high up to 22°C.

You can expect about 3 to 8 days of rain in Bellevue during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Bellevue in September 2025.

If you’re planning to visit Bellevue in the near future, we highly recommend that you review the 14 day weather forecast for Bellevue before you arrive.

Temperatures
Temperatures
22° / 11°
Rainy Days
Rainy Days
3
Snowy Days
Snowy Days
0
Dry Days
Dry Days
27
Rainfall
Rainfall
47
mm
10.6
Sun Hours
10.6
Hrs

Bellevue annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 8° / 2° 12 17 2 122 mm
Awful
February 8° / 2° 9 15 4 86 mm
Awful
March 11° / 3° 10 20 2 93 mm
Awful
April 14° / 5° 7 23 0 73 mm
Ok
May 19° / 7° 4 27 0 49 mm
Good
June 22° / 9° 3 27 0 38 mm
Good
July 26° / 12° 1 30 0 14 mm
Perfect
August 26° / 13° 2 29 0 20 mm
Perfect
September 22° / 11° 3 27 0 47 mm
Good
October 16° / 7° 8 23 0 93 mm
Ok
November 10° / 4° 11 19 1 108 mm
Bad
December 7° / 1° 9 19 3 108 mm
Awful
Temperatures in Bellevue in September
Rain in Bellevue in September

Recommended Hotels in Bellevue

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That’s why we run our special tools and found the best hotels in Bellevue. Click on hotel for more details.

Weather in Bellevue in September - FAQ

What is the average temperature in Bellevue in September?
The average temperature in Bellevue in September is 11/22° C.
What is the chance of rain in Bellevue in September?
On average, there are 3 rainy days in Bellevue during September.
Weather wise, is September a good time to visit Bellevue?
The weather in Bellevue in September is good.
Can it snow in Bellevue in September?
On average, there are 0 snowy days in Bellevue in September.
More about the weather in Bellevue