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Weather in September in Santa Catalina Island

Planning a getaway to Santa Catalina Island this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Santa Catalina Island in September?

Santa Catalina Island is a region in the United States of America. September in Santa Catalina Island generally has warm temperatures, with almost no precipitation.

Temperatures

You can expect warm maximum daytime temperatures of 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.

Precipitation

September is a very dry month with an average rainfall of around 4.1 mm in Avalon.

Average sunshine

The city Avalon usually sees around 278 hours of sunlight, indicating many sunny days.

For specific regional insights in Santa Catalina Island for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Santa Catalina Island climate page.

Where to go in Santa Catalina Island in September

Find more information for the most popular destinations in the Santa Catalina Island on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the most popular destinonation in Santa Catalina Island?

Avalon

In September Avalon generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 17°C and almost no monthly rainfall. So on average the conditions are perfect that month.

Avalon
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
25°C 
18°C 
347 hours 
0.1 mm 
0 days 
25°C 
17°C 
278 hours 
4.1 mm 
a single day 
October   >> October
>>  
23°C 
15°C 
255 hours 
10 mm 
3 days 
Climate in Avalon

Is your destination not in the list? Have a look at other destinations in Santa Catalina Island, in the United States of America.

Is September the best time to visit Santa Catalina Island?

We believe that September is one of the best times to visit Santa Catalina Island with overall perfect weather in Avalon. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Santa Catalina Island is in March, April, May, June, July, August, September, October and November with generally perfect weather in Avalon. The weather in December, on the other hand, tends to be tolerable.

Interested in more climate information?

We have much more information about the climate in Santa Catalina Island. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.