Sea Temperature in Marin in September

© Carlos González-Cela

Complete information on the sea temperature range in the Atlantic Ocean in Marin in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Marin. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Marin Climate and Swimming Opportunities in September

Marin lies within the Galicia in Spain. The average daytime temperature in Marin in September is 22°C (71°F), while the nighttime average is 16°C (60°F). There are typically nine rainy days during the month, with a total precipitation of 88 mm (3.5 inches). The daylight duration in September in Marin is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 10 km/h (6 mph), and the humidity level is around 74%.

The water temperature in Marin in September ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 18°C (64°F) by mid-September and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Marin for September is 17°C (63°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in September in Marin