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

What can you expect from the weather in Alameda during September? This guide provides all the details you need.

In Alameda, September is characterized by high temperatures and almost no rainfall. Daytime temperatures hover around 24°C, while nights can cool down to about 13°C. On average, it is the month with the highest temperature of the year.

Alameda in September usually receives almost no rainfall, averaging around 3.4 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 1 day of the month will see rainfall.

With around 270 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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

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

 

Alameda, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Water Temperature 14°C *  

Chance of Rain 3%  

Precipitation 3.4 mm  

Rainy days 1 day  

Humidity 73% *  

Windspeed 18 km/h *  

Sunshine 270 hours *  

Percentage Sunshine 73% *  

* Data from: San Francisco, the United States of America (20 KM, 12 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.

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 Alameda in September?

For visitors traveling to Alameda, 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.

Swimming

10/10

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 Alameda.

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.