Sea Temperature in Castropol in September

© Galicianorte Turística

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

Castropol Climate and Swimming Opportunities in September

Castropol lies within the Asturias in Spain. The average daytime temperature in Castropol in September is 22°C (72°F), while the nighttime average is 15°C (60°F). There are typically 10 rainy days during the month, with a total precipitation of 63 mm (2.5 inches). The daylight duration in September in Castropol is 12 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 9 km/h (6 mph), and the humidity level is around 79%.

The water temperature in Castropol in September ranges from 18°C to 20°C (64°F to 68°F). At the beginning of the month, the average temperature is around 20°C (68°F), shifting to 19°C (66°F) by mid-September and reaching 19°C (66°F) in the last ten days. Overall, the average sea temperature in Castropol for September is 19°C (66°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 Castropol