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.
Aliso Viejo Weather in September
September in Aliso Viejo sees daytime temperatures around 30°C (86°F) and lows of 17°C (63°F) at night. The excellent weather makes it a good time to visit.
Rainfall in Aliso Viejo in September
Rain is expected on roughly a single day, totalling around 4.6 mm (0.2 in) for the month. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Aliso Viejo in September
Aliso Viejo in September has excellent weather. Days reach 30°C (86°F) and nights cool to 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it is the warmest month of the year.
Sunshine in Aliso Viejo in September
Enjoy a sunny month with about 290 hours of sunshine, the clear skies make Aliso Viejo even more beautiful.September in Aliso Viejo can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Aliso Viejo Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
30°C (86°F)
Chance of Rain
3%
Precipitation
4.6 mm (0.2 in)
Rainy days
a single day
Sunshine
290 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (36 KM, 22 Miles).
Aliso Viejo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aliso 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 Aliso 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Aliso 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
Aliso Viejo 3-Day Forecast
More climate data for Aliso Viejo
See the full Aliso 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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Yosemite National Park is definitely worth a visit
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