San Jose weather in September (California, United States of America)
How is the weather in San Jose in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.
In San Jose the weather in September is generally perfect, characterized by high temperatures and almost no rainfall. September is a summer month. Daytime temperatures hover around 27°C, while nights can cool down to about 14°C.
San Jose in September usually receives almost no rainfall, averaging around 2.7 mm for the month. Based on our climate data of the past 30 years, about 1 day of rain are anticipated.
With around 270 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. April, May, June, July, August, September and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Jose climate page with graphs.
San Jose, monthly averages in September
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
So, what should you wear in San Jose in September?
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 in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in San Jose.
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 climate conditions. Find out where to go with our weather planner.