Irvine weather in September (California, United States of America)

Thinking of visiting Irvine in September? Check the weather first! Check out our in-depth weather guide for this month.

Temperatures

Experience perfect weather in Irvine during September, featuring high temperatures and low rainfall. The summer season is characteristic of September. In the daytime, temperatures tend to hover near 29°C, cooling down at night to around 18°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

Irvine in September usually receives low rainfall, averaging around 5.3 mm for the month. Expect around a single day of rain based on historical data.

Average sunshine

There are approximately 290 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If your ideal day consists of dry skies and moderate temperatures generally stand out with the best circumstances. While tend to showcase less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

Irvine, monthly averages in September

Min Temperature 18°C  

Max Temperature 29°C  

Chance of Rain 3%  

Precipitation 5.3 mm  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (31 KM, 19 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 Irvine.

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.