Mission Viejo weather in September (California, United States of America)
Curious about the September weather in Mission Viejo? This guide provides all the details you need.
In Mission Viejo, September is characterized by very high temperatures and almost no rainfall. September falls within the summer season. Anticipate daytime temperatures around 31°C, while night temperatures can drop to 16°C. Typically, it's the hottest month of the year. Make sure to come prepared with breezy outfits. Whether you're out exploring or just lounging, being prepared can make your experience in this warm month much more enjoyable.
Mission Viejo in September usually receives almost no rainfall, averaging around 4.1 mm for the month. Typically around 1 day of rainfall is expected.
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.
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.
For an in-depth look at the yearly conditions, visit our specialized Mission Viejo climate page with graphs.
Mission Viejo, monthly averages in September
Min Temperature
16°C
Max Temperature
31°C
Chance of Rain
3%
Precipitation
4.1 mm
Rainy days
1 day
Sunshine
290 hours *
Percentage Sunshine
*
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Mission Viejo 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.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
