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

What kind of temperatures can you expect in San Clemente during September? Check out this detailed guide to the month’s weather conditions.

Temperatures

You’ll find the weather in San Clemente during September to be perfect, with high temperatures and almost no rainfall. Daytime temperatures generally settle around 27°C, while nighttime can see a dip to about 16°C. This month features high temperatures, marking it as the warmest. Prepare with summer clothes and essentials to enjoy the sun to the fullest.

Precipitation

San Clemente in September usually receives almost no rainfall, averaging around 3.2 mm for the month. Typically around a single day days of rainfall are expected.

Average sunshine

There are approximately 290 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit San Clemente. January, February, March, April, May, June, July, August, September, October and November typically offer the most agreeable circumstances. On the other hand, December tends to be characterized by conditions that may not be as optimal.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

San Clemente, monthly averages in September

Min TemperatureMin Temperature 16°C  
Max TemperatureMax Temperature 27°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 3.2 mm  
Rainy daysRainy days a single day  
SunshineSunshine 290 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Corona, the United States of America (50 KM, 31 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel 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 this month?

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.

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 Clemente.

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 travel conditions. Find out where to go with our weather planner.