Sea Temperature in Setubal in September

© Patricia Gonçalves

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

Setubal Climate and Swimming Opportunities in September

Setubal lies within the Setúbal District in Portugal. The average daytime temperature in Setubal 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 31 mm (1.2 inches). The daylight duration in September in Setubal is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in September is 13 km/h (8 mph), and the humidity level is around 67%.

The water temperature in Setubal 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 20°C (68°F) by mid-September and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Setubal for September is 20°C (68°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 Setubal