Weather in September 2025

Llandudno weather in September 2025

°C °F

The average weather in Llandudno in September

The temperatures in Llandudno in September are usually low and can range between 10°C and 16°C.

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

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

Temperatures
16° / 10°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
73
mm
Sun Hours
8.0
Hrs

Explore the weather in Llandudno in other months

Llandudno annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / 2° 9 14 8 81 mm
Awful
February 6° / 2° 9 11 8 73 mm
Awful
March 9° / 3° 7 19 4 61 mm
Awful
April 11° / 4° 5 22 2 56 mm
Bad
May 13° / 7° 7 24 0 69 mm
Bad
June 16° / 10° 6 24 0 82 mm
Good
July 18° / 12° 7 24 0 85 mm
Ok
August 17° / 12° 6 25 0 83 mm
Good
September 16° / 10° 5 25 0 73 mm
Good
October 13° / 8° 7 24 0 91 mm
Bad
November 9° / 5° 9 19 2 101 mm
Awful
December 7° / 4° 10 17 5 93 mm
Awful

Weather in Llandudno in September - FAQ

What is the average temperature in Llandudno in September?
The average temperature in Llandudno in September is 10/16° C.
What is the chance of rain in Llandudno in September?
On average, there are 5 rainy days in Llandudno during September.
Weather wise, is September a good time to visit Llandudno?
The weather in Llandudno in September is good.
Can it snow in Llandudno in September?
On average, there are 0 snowy days in Llandudno in September.
More about the weather in Llandudno