Walnut Creek weather in September (California, United States of America)
Will it be rainy or sunny in Walnut Creek this September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.
Temperatures
During September, Walnut Creek experiences perfect weather, with high temperatures and almost no rainfall. September is known for being in the summer season. As the day progresses, temperatures can peak at 29°C. Luckily at nightfall, they typically drop to 13°C.
Precipitation
Walnut Creek in September usually receives almost no rainfall, averaging around 2.8 mm for the month. Historically, the month has about a single day of rain.Average sunshine
With around 270 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Walnut Creek. April, May, June, July, August, September and October typically offer the best circumstances. While December tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Walnut Creek climate page with graphs.
Walnut Creek, 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 and which places have the best travel conditions in this month.
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 Walnut Creek.
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.