Guerneville weather in September (California, United States of America)

Is Guerneville a good destination in September, weather-wise? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

During September, Guerneville is known for its perfect weather, characterized by high temperatures and low rainfall. Enjoy the summer season during this month. The temperature during the day can rise to approximately 27°C. At night, it falls to around 10°C.

Precipitation

Guerneville in September usually receives low rainfall, averaging around 7.4 mm for the month. When we look at the climate data from the last 30 years, you can expect around 2 days of rain.

Average sunshine

With around 275 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Guerneville. April, May, June, July, August, September and October typically offer the best circumstances. While February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Guerneville climate page with graphs.

 

Guerneville, monthly averages in September

Min Temperature 10°C  

Max Temperature 27°C  

Chance of Rain 7%  

Precipitation 7.4 mm  

Rainy days 2 days  

Sunshine 275 hours *  

Percentage Sunshine 77% *  

Data from: Healdsburg, the United States of America (16 KM, 10 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

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.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

5/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Guerneville.

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.