Yountville weather in September (California, United States of America)
What's the typical weather in Yountville for September? Find out what kind of weather to expect during this month.
Temperatures
The weather in Yountville during September is typically perfect, with very high temperatures and almost no rainfall. Enjoy the summer season during this month. Anticipate daytime temperatures around 30°C, while night temperatures can drop to 11°C. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.
Precipitation
Yountville in September usually receives almost no rainfall, averaging around 4.5 mm for the month. Historically, approximately a single day this month are expected to have rain.Average sunshine
The city usually sees around 275 hours of sunlight, indicating many sunny days.If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Yountville. April, May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Yountville climate page with graphs.
Yountville, monthly averages in September
Min Temperature
11°C
Max Temperature
30°C
Chance of Rain
4%
Precipitation
4.5 mm
Rainy days
a single day
Sunshine
275 hours *
Percentage Sunshine
77% *
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 Yountville.
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.
