Union City weather in September (California, United States of America)
What should you pack for a trip to Union City in September? Use this page to get an overview of the month’s weather conditions.
Temperatures
The weather in Union City is usually perfect in September, featuring high temperatures and almost no rainfall. September is known for being in the summer season. Anticipate daytime temperatures around 25°C, while night temperatures can drop to 14°C. Known as the warmest month of the year, it's a great time to break out your summer wardrobe. Remember to stay hydrated and enjoy the sunny weather.
Precipitation
Union City in September usually receives almost no rainfall, averaging around 3.4 mm for the month. Based on our climate data of the past 30 years, about a single day of rain are anticipated.Average sunshine
With approximately 270 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.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, January, February and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Union City climate page with graphs.
Union City, monthly averages in September
Min Temperature
14°C
Max Temperature
25°C
Chance of Rain
3%
Precipitation
3.4 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 Union City.
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.
