Vallejo weather in September (California, United States of America)
Will it be rainy or sunny in Vallejo this September? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
During September, Vallejo is known for its perfect weather, characterized by high temperatures and almost no rainfall. September is a notable month of the summer season. During the day, temperatures usually reach up to 27°C. At night, they tend to fall to approximately 12°C. With its high temperatures, this month often tops the charts as the hottest. Be sure to pack summer gear and stay prepared for the heat.
Precipitation
Vallejo in September usually receives almost no rainfall, averaging around 3.3 mm for the month. Typically, you can expect about a single day of rain this month.Average sunshine
With around 270 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.So this is a great month to visit if you prefer dry days with pleasant temperatures. April, May, June, July, August, September and October typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.
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Vallejo, monthly averages in September
Min Temperature
12°C
Max Temperature
27°C
Chance of Rain
3%
Precipitation
3.3 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 Vallejo.
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.
