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Santa Catalina Island United States of America
Temperatures in September
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Santa Catalina Island temperatures in September

Santa Catalina Island is a region in the United States of America. September is generally a warm month with maximum daytime temperatures around 25°C and nighttime temperatures around 17°C in Avalon. On average, September is the month with the highest temperature of the year in Santa Catalina Island.

What is the temperature of the different cities in Santa Catalina Island in September?

Explore the map below to discover average September temperatures at the top destinations in Santa Catalina Island. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Santa Catalina Island get in September?
    • Avalon enjoys approximately 278 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

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