The temperatures in Merlimont in September are usually low and can range between 13°C and 18°C.
You can expect about 3 to 8 days of rain in Merlimont 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 Merlimont in September 2026.
If you’re planning to visit Merlimont in the near future, we highly recommend that you review the 14 day weather forecast for Merlimont before you arrive.
Temperatures
18° / 13°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
66
mm
Sun Hours
5.4
Hrs
