San Juan Capistrano Weather in September

What's the weather like in San Juan Capistrano (California) in September 2024?

The climate in San Juan Capistrano during September can be summarized as warm and very dry.

September is in the fall / autumn in San Juan Capistrano and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 15°C (58°F) is normal.

San Juan Capistrano weather averages (imperial / metric)
Daytime temperature 27.2°C 80.9°F
Nightly temperature 14.7°C 58.4°F
Average temperature 20.9°C 69.6°F
Daily sunshine 9.8 hrs
Avg rainfall 6 mm 0.2 ins
Rainy days 2 days
Sea temperature 20.4°C 68.8°F
Humidity 68%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in San Juan Capistrano with around 6mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.8 hours of sunshine per day.

September temperatures in San Juan Capistrano

San Juan Capistrano average temperature in September

September rainfall

San Juan Capistrano average rain in September

September hourly sunshine

San Juan Capistrano average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan Capistrano in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Juan Capistrano weather stats

San Juan Capistrano weather statistics
Hottest month: August 28.1°C 82.6°F
Driest month: July 2mm 0.1ins
Sunniest month: August 11.4hrs
Coldest month: January 17.8°C 64°F
Wettest month: January 72mm 2.8ins
Map showing location of San Juan Capistrano (33.50169, -117.66255) San Juan Capistrano map pin © Google

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