San Jose weather in September (California, United States of America)
How is September weather typically in San Jose? Use this page to get an overview of the month’s weather conditions.
Temperatures
Expect perfect weather in San Jose during September, which means high temperatures and almost no rainfall. Experience the summer season in September. During the day, temperatures can climb to about 27°C. At night, they may fall to a cooler 14°C.
Precipitation
San Jose in September usually receives almost no rainfall, averaging around 2.7 mm for the month. Climate data suggests that about a single day will experience rainfall.Average sunshine
Expect sunny days throughout the month, with an estimated 270 hours of sunshine. Making it a pleasant time to visit San Jose.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
Min Temperature
14°C
Max Temperature
27°C
Chance of Rain
3%
Precipitation
2.7 mm
Rainy days
a single day
Humidity
73% *
Sunshine
270 hours *
Percentage Sunshine
73% *
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 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 travel conditions. Find out where to go with our weather planner.
