Sea Temperature in Foz do Arelho in September

© Nuno Fernandes

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

Foz do Arelho Climate and Swimming Opportunities in September

Foz do Arelho lies within the Leiria District in Portugal. The average daytime temperature in Foz do Arelho in September is 23°C (73°F), while the nighttime average is 17°C (62°F). There are typically five rainy days during the month, with a total precipitation of 28 mm (1.1 inches). The daylight duration in September in Foz do Arelho is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 12 km/h (7 mph), and the humidity level is around 70%.

The water temperature in Foz do Arelho in September ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 19°C (66°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Foz do Arelho 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 Foz do Arelho