Weather in September 2025

Willmar weather in September 2025

°C °F

The average weather in Willmar in September

The temperatures in Willmar 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 Willmar 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 Willmar in September 2025.

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

Temperatures
22° / 11°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
51
mm
Sun Hours
10.2
Hrs

Explore the weather in Willmar in other months

Willmar annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -8° / -15° 2 14 16 17 mm
Awful
February -6° / -14° 2 13 13 21 mm
Awful
March 3° / -4° 5 17 9 44 mm
Awful
April 11° / 2° 5 19 5 73 mm
Bad
May 19° / 10° 7 24 1 84 mm
Ok
June 25° / 15° 6 24 0 111 mm
Perfect
July 27° / 17° 6 25 0 87 mm
Perfect
August 27° / 15° 4 27 0 84 mm
Perfect
September 22° / 11° 3 27 0 51 mm
Good
October 13° / 5° 4 24 2 56 mm
Bad
November 4° / -2° 3 20 7 25 mm
Awful
December -4° / -10° 2 14 15 28 mm
Awful

Weather in Willmar in September - FAQ

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