San Diego weather in September (California, United States of America)
Is San Diego a good destination in September, weather-wise? Check out this detailed guide to the month’s weather conditions.
Temperatures
The weather in San Diego during September is typically perfect, with high temperatures and almost no rainfall. During the day, temperatures usually reach up to 26°C. At night, they tend to fall to approximately 18°C. With its warm temperatures, this month stands out as the hottest. Be sure to pack appropriately and embrace the summer vibes.
Precipitation
San Diego in September usually receives almost no rainfall, averaging around 4.3 mm for the month. Expect around a single day of rain based on historical data.Average sunshine
Enjoy a sunny month with about 253 hours of sunshine, providing a cheerful and lively atmosphere.If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit San Diego. January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances. While December tends to showcase less optimal conditions.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
San Diego, monthly averages in September
Min Temperature
18°C
Max Temperature
26°C
Chance of Rain
3%
Precipitation
4.3 mm
Rainy days
a single day
Humidity
74%
Sunshine
253 hours
Percentage Sunshine
68%
Where to go 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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
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.
Interested in more climate information?
This site provides you with all the information you need about the climate in San Diego.
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 travel conditions. Find out where to go with our weather planner.
