ClimateForecastSeptemberOctober >>

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

How's the weather trend in Livermore as September approaches? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

You’ll find the weather in Livermore during September to be perfect, with high temperatures and almost no rainfall. September marks the summer season. Daytime temperatures are expected to be around 30°C, cooling off to about 13°C at night. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.

Precipitation

Livermore in September usually receives almost no rainfall, averaging around 2.9 mm for the month. Past climate data indicates that roughly a single day will see rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 270 hours of sunshine. Making it a pleasant time to visit Livermore.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. April, May, June, July, August, September and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Livermore, monthly averages in September

Min TemperatureMin Temperature 13°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 2.9 mm  
Rainy daysRainy days a single day  
HumidityHumidity 73% *  
SunshineSunshine 270 hours *  
Percentage SunshinePercentage Sunshine 73% *  
Data from: San Francisco, the United States of America (54 KM, 33 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.

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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
10/10
Outdoor sports
8/10

Interested in more climate information?

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

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.