Rancho Cucamonga weather in September (California, United States of America)
How does the September weather in Rancho Cucamonga compare to other months? Want to know if it's a good time to visit? This page has all the weather details for the month.
Temperatures
The weather in Rancho Cucamonga during September is usually perfect, offering very high temperatures and almost no rainfall. The summer season takes place during September. You can expect daytime temperatures to reach around 33°C, while the nights will see a decline to about 17°C.Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water. Especially if you find yourself outdoors for a longer period.
Precipitation
Rancho Cucamonga 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
Expect a lot of sunshine this month, with about 290 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Rancho Cucamonga. January, February, March, April, May, June, July, September, October and November typically offer the best circumstances. While August and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Rancho Cucamonga climate page with graphs.
Rancho Cucamonga, monthly averages in September
Min Temperature
17°C
Max Temperature
33°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 Rancho Cucamonga.
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.
