Mission Viejo weather in September (California, United States of America)

Will it be rainy or sunny in Mission Viejo this September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

For September, the weather in Mission Viejo is generally perfect, featuring very high temperatures and almost no rainfall. September is typically considered a summer month. Expect daytime highs to reach approximately 31°C, with nighttime lows dipping to around 16°C. With its high temperatures, this month often tops the charts as the hottest. Be sure to pack summer gear and stay prepared for the heat.

Precipitation

Mission Viejo in September usually receives almost no rainfall, averaging around 4.1 mm for the month. Expect around a single day of rain based on historical data.

Average sunshine

Expect sunny days throughout the month, with an estimated 290 hours of sunshine. Making it a pleasant time to visit Mission Viejo.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.

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

 

Mission Viejo, monthly averages in September

Min Temperature 16°C  

Max Temperature 31°C  

Chance of Rain 3%  

Precipitation 4.1 mm  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (32 KM, 19 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.

Weather conditions Weather

Temperatures

Precipitation

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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 Mission Viejo.

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.