Weather in September 2025

Aalst weather in September 2025

The temperatures in Aalst in September are usually low and can range between 12°C and 20°C.

You can expect about 3 to 8 days of rain in Aalst 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 Aalst in September 2025.

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

Temperatures
Temperatures
20° / 12°
Rainy Days
Rainy Days
3
Snowy Days
Snowy Days
0
Dry Days
Dry Days
27
Rainfall
Rainfall
42
mm
9.5
Sun Hours
9.5
Hrs

Aalst annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / 1° 9 17 5 104 mm
Awful
February 7° / 2° 8 15 5 83 mm
Awful
March 11° / 4° 7 23 2 77 mm
Awful
April 15° / 6° 4 26 1 43 mm
Good
May 18° / 9° 5 26 0 69 mm
Good
June 21° / 12° 5 25 0 80 mm
Good
July 23° / 14° 4 27 0 67 mm
Perfect
August 23° / 14° 5 26 0 78 mm
Perfect
September 20° / 12° 3 27 0 42 mm
Good
October 15° / 9° 5 26 0 67 mm
Good
November 10° / 5° 8 22 1 95 mm
Bad
December 7° / 3° 11 17 3 116 mm
Awful
Temperatures in Aalst in September
Rain in Aalst in September

Recommended Hotels in Aalst

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

Weather in Aalst in September - FAQ

What is the average temperature in Aalst in September?
The average temperature in Aalst in September is 12/20° C.
What is the chance of rain in Aalst in September?
On average, there are 3 rainy days in Aalst during September.
Weather wise, is September a good time to visit Aalst?
The weather in Aalst in September is good.
Can it snow in Aalst in September?
On average, there are 0 snowy days in Aalst in September.
More about the weather in Aalst