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Daly City weather in September (California, United States of America)

What can you expect from the weather in Daly City during September? Here's what the weather might have in store during this month.

In Daly City the weather in September is generally perfect, characterized by high temperatures and almost no rainfall. Anticipate daytime temperatures around 22°C, while night temperatures can drop to 13°C. On average, it is the month with the highest temperature of the year.

Daly City in September usually receives almost no rainfall, averaging around 3.9 mm for the month. Based on our climate data of the past 30 years, about 1 day of rain are anticipated.

The days are predominantly sunny, with an estimated total of around 270 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

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, December tends to have less optimal conditions.

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

 

Daly City, monthly averages in September

Min TemperatureMin Temperature 13°C  
Max TemperatureMax Temperature 22°C  
Water TemperatureWater Temperature 14°C *  
Chance of RainChance of Rain 4%  
PrecipitationPrecipitation 3.9 mm  
Rainy daysRainy days 1 day  
HumidityHumidity 73% *  
WindspeedWindspeed 18 km/h *  
SunshineSunshine 270 hours *  
Percentage SunshinePercentage Sunshine 73% *  
* Data from: San Francisco, the United States of America (12 KM, 7 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather 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 Daly City in September?

For visitors traveling to Daly City, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. With a water temperature of around 14°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Daly City.

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 climate conditions. Find out where to go with our weather planner.