San Juan Capistrano Weather in September

September in San Juan Capistrano typically sees daytime highs of 29°C (84°F) and nighttime lows of 16°C (61°F). Minimal rainfall is typical for this month.

Rainfall in San Juan Capistrano in September

Looking at the last 30 years, the data shows about a single day with rain, averaging 3 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in San Juan Capistrano in September

San Juan Capistrano in September has perfect weather. Days reach 29°C (84°F) and nights cool to 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in San Juan Capistrano in September

The month enjoys around 290 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our San Juan Capistrano's climate page.

San Juan Capistrano Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 3%  

Precipitation 3 mm (0.1 in)  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (42 KM, 26 Miles).

What to Wear in San Juan Capistrano in September

Warm but pleasant conditions in San Juan Capistrano in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Juan Capistrano in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our San Juan Capistrano's climate page.

More climate data for San Juan Capistrano

Temperature Rainfall Sunshine

See the full San Juan Capistrano climate overview or explore weather in the United States of America.