Sea Temperature in Copalis Beach in September

© Stuart Wood

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

Copalis Beach Climate and Swimming Opportunities in September

Copalis Beach lies within the Washington in United States. The average daytime temperature in Copalis Beach in September is 71°F (22°C), while the nighttime average is 47°F (8°C). There are typically nine rainy days during the month, with a total precipitation of 1.8 inches (45 mm). The daylight duration in September in Copalis Beach is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 6 mph (10 km/h), and the humidity level is around 78%.

The water temperature in Copalis Beach in September ranges from 54°F to 57°F (12°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 Copalis Beach for September is 57°F (14°C). The contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.

Frequently Asked Questions About Water Temperatures in September in Copalis Beach