Irvine weather in September (California, United States of America)
What can you expect from the weather in Irvine during September? Here's what the weather might have in store during this month.
In Irvine the weather in September is generally perfect, with high temperatures and low rainfall. September is a summer month. Daytime temperatures hover around 29°C, while nights can cool down to about 18°C. Often, it stands out as the year's warmest month. With this in mind, cool breathable fabrics will make navigating the heat much more bearable. Always be ready to embrace the warmth while staying cool and protected.
Irvine in September usually receives low rainfall, averaging around 5.3 mm for the month. Typically around 1 day of rainfall is expected.
With around 290 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
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.
For an in-depth look at the yearly conditions, visit our specialized Irvine climate page with graphs.
Irvine, monthly averages in September
Min Temperature
18°C
Max Temperature
29°C
Chance of Rain
3%
Precipitation
5.3 mm
Rainy days
1 day
Sunshine
290 hours *
Percentage Sunshine
*
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Irvine in September?
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 in September.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
