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Sea Temperature in Santa Catalina Island in September

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

Water Temperature Range in Santa Catalina Island in September

17°C

MINIMUN

20.5°C

AVERAGE

24°C

MAXIMUM

Historical Data of Water Temperature in September in Santa Catalina Island

Water Temperature Chart for Pacific Ocean in Santa Catalina Island in September

Sea Temperature Table in Santa Catalina Island in September Over the Past Years

Day202420232022Average
Sep 119°C21°C19°C20.0°C
Sep 219°C21°C17°C19.5°C
Sep 319°C20°C20°C20.0°C
Sep 419°C20°C20°C19.8°C
Sep 518°C20°C20°C19.8°C
Sep 620°C20°C17°C19.8°C
Sep 719°C21°C17°C19.8°C
Sep 819°C21°C17°C19.5°C
Sep 919°C21°C20°C20.5°C
Sep 1020°C21°C20°C20.5°C
Sep 1119°C22°C20°C20.3°C
Sep 1218°C21°C17°C19.0°C
Sep 1319°C21°C18°C19.5°C
Sep 1419°C21°C17°C19.3°C
Sep 1518°C20°C17°C18.8°C
Sep 1619°C20°C18°C19.3°C
Sep 1718°C20°C18°C19.0°C
Sep 1819°C20°C18°C19.3°C
Sep 1919°C20°C17°C18.8°C
Sep 2018°C20°C21°C19.8°C
Sep 2119°C21°C20°C19.8°C
Sep 2218°C21°C20°C19.5°C
Sep 2318°C20°C17°C18.5°C
Sep 2418°C20°C18°C18.5°C
Sep 2519°C20°C19°C19.0°C
Sep 2618°C20°C21°C19.5°C
Sep 2719°C21°C17°C18.8°C
Sep 2818°C20°C19°C18.8°C
Sep 2920°C21°C19°C19.3°C
California, United StatesCalifornia, United StatesCalifornia, United States

Santa Catalina Island Climate and Swimming Opportunities in September

26°C

Average Day Air Temperature

17°C

Average Night Air Temperature

5 mm

Precipitation Amount per Month

2 days

Number of Rainy Days

12 hrs

Daylight
per Day

9 hrs

Sunshine
per Day

12 km/h

Average Wind Speed

70%

Average
humidity

Santa Catalina Island lies within the California in United States. The average daytime temperature in Santa Catalina Island in September is 79°F (26°C), while the nighttime average is 62°F (17°C). There are typically two rainy days during the month, with a total precipitation of 0.2 inches (5 mm). The daylight duration in September in Santa Catalina Island is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in September is 7 mph (12 km/h), and the humidity level is around 70%.

The water temperature in Santa Catalina Island in September ranges from 64°F to 68°F (18°C to 20°C). At the beginning of the month, the average temperature is around 68°F (20°C), shifting to 68°F (20°C) by mid-September and reaching 66°F (19°C) in the last ten days. Overall, the average sea temperature in Santa Catalina Island for September is 66°F (19°C). Perfect balance of refreshing water and warm air. One of the best conditions for swimming.

Frequently Asked Questions About Water Temperatures in September in Santa Catalina Island

What is the sea temperature in Santa Catalina Island in September?

The water temperature in the Pacific Ocean in Santa Catalina Island in September ranges from 64°F to 68°F (18°C to 20°C).

Is it possible to swim in the Pacific Ocean in Santa Catalina Island in September?

The average sea temperature in Santa Catalina Island in September is 66°F (19°C), and the air temperature is 79°F (26°C), so perfect balance of refreshing water and warm air. One of the best conditions for swimming.