Sea Temperature in Seaside in September

© Jason Fortman

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

Seaside Climate and Swimming Opportunities in September

Seaside lies within the Oregon in United States. The average daytime temperature in Seaside in September is 68°F (20°C), while the nighttime average is 48°F (9°C). There are typically nine rainy days during the month, with a total precipitation of 3.0 inches (75 mm). The daylight duration in September in Seaside is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 8 mph (13 km/h), and the humidity level is around 79%.

The water temperature in Seaside in September ranges from 55°F to 57°F (13°C to 14°C). At the beginning of the month, the average temperature is around 57°F (14°C), shifting to 57°F (14°C) by mid-September and reaching 57°F (14°C) in the last ten days. Overall, the average sea temperature in Seaside for September is 57°F (14°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Seaside