Weather · September
Average highs of 85°F, lows of 65°F and 0.10 in of rain, from 30 years of weather records.
September is Cerritos’s 2nd warmest month, with average highs of 85°F and lows of 65°F. That is 1° cooler than August, and 9° above the yearly average high.
High and low Rain
See all upcoming events and school days off.
A look around town before you go.
A DRIVE AROUND TOWN
This recorded Cerritos driving tour was published by a local real-estate creator. It is included for street-level orientation; property claims and promotions belong to its creator, and the film is not a current traffic report.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
An activity Short shared by Crushing on California.
Watch on YouTube ↗Planning a trip? See the best time to visit Cerritos and today’s forecast.
Average highs are 85°F and average lows 65°F, for a daily mean of 75°F. Individual days run hotter or colder than these 30-year averages.
September averages 0.10 in of precipitation over about 1 days with at least 0.01 in. It is the 10th wettest month of the year.
Around mid-September the sun rises about 6:35 AM and sets about 6:59 PM, for roughly 12.4 hours of daylight.
The mildest months for visiting are May, June, July. September is warm, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Fullerton Muni Ap station (5 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.