Weather in September 2025

Koblenz weather in September 2025

°C °F

The average weather in Koblenz in September

The temperatures in Koblenz in September are quite cold with temperatures between 9°C and 21°C, warm clothes are a must.

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

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

Temperatures
21° / 9°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
38
mm
Sun Hours
10.1
Hrs

Explore the weather in Koblenz in other months

Koblenz annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 4° / -2° 7 14 9 44 mm
Awful
February 6° / -1° 6 16 7 37 mm
Awful
March 11° / 1° 5 23 3 36 mm
Bad
April 16° / 3° 4 26 1 37 mm
Good
May 19° / 6° 6 26 0 70 mm
Good
June 23° / 9° 5 25 0 63 mm
Perfect
July 25° / 11° 4 27 0 71 mm
Perfect
August 24° / 12° 4 27 0 63 mm
Perfect
September 21° / 9° 3 27 0 38 mm
Good
October 15° / 5° 4 26 0 43 mm
Good
November 9° / 2° 6 22 2 46 mm
Bad
December 5° / 0° 9 16 6 52 mm
Awful

Weather in Koblenz in September - FAQ

What is the average temperature in Koblenz in September?
The average temperature in Koblenz in September is 9/21° C.
What is the chance of rain in Koblenz in September?
On average, there are 3 rainy days in Koblenz during September.
Weather wise, is September a good time to visit Koblenz?
The weather in Koblenz in September is good.
Can it snow in Koblenz in September?
On average, there are 0 snowy days in Koblenz in September.
More about the weather in Koblenz