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San Juan Capistrano weather in September (California, United States of America)

How is the weather in San Juan Capistrano in September? Here's what the weather might have in store during this month.

In San Juan Capistrano the weather in September is generally perfect, characterized by high temperatures and almost no rainfall. September is a summer month. Daytime temperatures hover around 29°C, while nights can cool down to about 16°C. On average, it is the warmest month of the year. So be prepared and pack summer clothes. Embrace the warmth, but always stay equipped with your summer essentials to make the most of this toasty month.

San Juan Capistrano in September usually receives almost no rainfall, averaging around 3 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 1 day of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 290 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. January, February, March, April, May, June, July, August, September, October and November generally stand out with the best circumstances. While December tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Juan Capistrano climate page with graphs.

 

San Juan Capistrano, monthly averages in September

Min TemperatureMin Temperature 16°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 3 mm  
Rainy daysRainy days 1 day  
SunshineSunshine 290 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Corona, the United States of America (42 KM, 26 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

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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).

So, what should you wear in San Juan Capistrano in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan Capistrano.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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 climate conditions. Find out where to go with our weather planner.