San Bernardino weather in September (California, United States of America)
Will it be rainy or sunny in San Bernardino this September? See what weather conditions to anticipate this month with our guide.
Temperatures
In September, San Bernardino usually has very high temperatures and almost no rainfall. September is known for being in the summer season. Throughout the day, temperatures typically settle at around 34°C. But by evening, they drop to around 17°C. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.
Precipitation
San Bernardino in September usually receives almost no rainfall, averaging around 4.8 mm for the month. Typically, you can expect about a single day of rain this month.Average sunshine
There are approximately 290 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If you prefer dry days with pleasant temperatures, January, February, March, April, May, June, October and November typically offer the best circumstances. While July and August tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Bernardino climate page with graphs.
San Bernardino, monthly averages in September
Min Temperature
17°C
Max Temperature
34°C
Chance of Rain
3%
Precipitation
4.8 mm
Rainy days
a single 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 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 San Bernardino.
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.
