Fountain Valley weather in September (California, United States of America)

What's the typical weather in Fountain Valley for September? Our guide gives you the essential weather details for this month.

Temperatures

The weather in Fountain Valley is usually perfect in September, characterized by high temperatures and almost no rainfall. You can expect daytime temperatures to reach around 27°C, while the nights will see a decline to about 18°C. Expect high temperatures this month, marking it as the warmest of the year. Prepare with lightweight clothing and plenty of sunscreen to stay comfortable.

Precipitation

Fountain Valley in September usually receives almost no rainfall, averaging around 4.2 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 around 290 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 Fountain Valley. January, February, March, April, May, June, July, August, September, October and November 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 Fountain Valley climate page with graphs.

 

Fountain Valley, monthly averages in September

Min Temperature 18°C  

Max Temperature 27°C  

Chance of Rain 3%  

Precipitation 4.2 mm  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (41 KM, 25 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a 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.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Fountain Valley.

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.