Clearlake weather in September (California, United States of America)
How's the weather trend in Clearlake as September approaches? Our page offers a comprehensive look at the weather you can expect this month.
Temperatures
During September, Clearlake is known for its perfect weather, characterized by very high temperatures and almost no rainfall. September ushers in the summer season. As the day progresses, temperatures can peak at 31°C. Luckily at nightfall, they typically drop to 12°C. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.
Precipitation
Clearlake in September usually receives almost no rainfall, averaging around 2.9 mm for the month. Records from the past 30 years suggest that around a single day will experience rain.Average sunshine
The city usually sees around 275 hours of sunlight, indicating many sunny days.If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Clearlake. April, May, June, August, September and October typically offer the best circumstances. While December tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Clearlake climate page with graphs.
Clearlake, monthly averages in September
Min Temperature
12°C
Max Temperature
31°C
Chance of Rain
3%
Precipitation
2.9 mm
Rainy days
a single day
Sunshine
275 hours *
Percentage Sunshine
77% *
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 Clearlake.
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.
