Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Mission Viejo Weather in September
Mission Viejo in September averages 31°C (88°F) during the day and 16°C (61°F) at night. Minimal rainfall is typical for this time of year.
Rainfall in Mission Viejo in September
Typically, you can expect about a single day of rain this month, with 4.1 mm (0.2 in) on average. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Mission Viejo in September
The temperature in Mission Viejo in September is excellent. Daytime highs reach 31°C (88°F), with nights dropping to 16°C (61°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. Remember, these are typical temperatures, and there can be hotter days. Dress appropriately and stay hydrated to remain comfortable.
Sunshine in Mission Viejo in September
Enjoy a sunny month with about 290 hours of sunshine, the clear skies make Mission Viejo even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, October and November typically offer the best weather for Mission Viejo.
Mission Viejo Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
31°C (88°F)
Chance of Rain
3%
Precipitation
4.1 mm (0.2 in)
Rainy days
a single day
Sunshine
290 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (32 KM, 19 Miles).
Mission Viejo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mission Viejo - and find the best time to visit.
Best Places 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. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mission Viejo in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Mission Viejo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Mission Viejo 3-Day Forecast
More climate data for Mission Viejo
See the full Mission Viejo climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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