Weather in September 2025

Aachen weather in September 2025

The temperatures in Aachen in September are usually low and can range between 11°C and 19°C.

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

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

Temperatures
Temperatures
19° / 11°
Rainy Days
Rainy Days
4
Snowy Days
Snowy Days
0
Dry Days
Dry Days
26
Rainfall
Rainfall
63
mm
9.9
Sun Hours
9.9
Hrs

Aachen annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 4° / 1° 9 13 9 86 mm
Awful
February 6° / 1° 8 13 7 74 mm
Awful
March 10° / 3° 7 21 3 71 mm
Awful
April 14° / 6° 5 24 1 51 mm
Good
May 17° / 9° 7 24 0 96 mm
Ok
June 21° / 12° 6 24 0 102 mm
Good
July 23° / 14° 6 25 0 93 mm
Perfect
August 23° / 14° 5 26 0 89 mm
Perfect
September 19° / 11° 4 26 0 63 mm
Good
October 14° / 8° 6 25 0 66 mm
Good
November 9° / 5° 8 20 2 71 mm
Awful
December 6° / 2° 10 15 6 100 mm
Awful
Temperatures in Aachen in September
Rain in Aachen in September

Recommended Hotels in Aachen

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

Weather in Aachen in September - FAQ

What is the average temperature in Aachen in September?
The average temperature in Aachen in September is 11/19° C.
What is the chance of rain in Aachen in September?
On average, there are 4 rainy days in Aachen during September.
Weather wise, is September a good time to visit Aachen?
The weather in Aachen in September is good.
Can it snow in Aachen in September?
On average, there are 0 snowy days in Aachen in September.
More about the weather in Aachen