ClimateForecastSeptemberOctober >>

San Rafael weather in September (California, United States of America)

What does the weather outlook for San Rafael look like in September? Get all the weather information you need to plan your visit.

Temperatures

During September, San Rafael experiences perfect weather, with high temperatures and almost no rainfall. September marks the summer season. You can expect daytime temperatures to reach around 26°C, while the nights will see a decline to about 12°C. Known for its high temperatures, this month is the warmest of the year. Dress accordingly to stay comfortable and make the most of the weather.

Precipitation

San Rafael in September usually receives almost no rainfall, averaging around 4 mm for the month. Expect around a single day of rain based on historical data.

Average sunshine

With approximately 270 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

San Rafael, monthly averages in September

Min TemperatureMin Temperature 12°C  
Max TemperatureMax Temperature 26°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 4 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 (41 KM, 25 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 San Rafael.

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.