Riverside weather in September (California, United States of America)
How does the weather in Riverside usually fare in September? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
The month of September in Riverside typically includes very high temperatures and almost no rainfall. September is part of summer. The temperature during the day can rise to approximately 34°C. At night, it falls to around 17°C. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Precipitation
Riverside in September usually receives almost no rainfall, averaging around 4.5 mm for the month. Rain is expected on roughly a single day.Average sunshine
The city usually sees around 290 hours of sunlight, indicating many sunny days.If your ideal day consists of dry skies and moderate temperatures January, February, March, April, May, June, October and November generally stand out with the best circumstances. While August tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Riverside climate page with graphs.
Riverside, monthly averages in September
Min Temperature
17°C
Max Temperature
34°C
Chance of Rain
3%
Precipitation
4.5 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 Riverside.
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.
