Bilbao weather in September (Basque Country, Spain)

Curious about the September weather in Bilbao? Here's what the weather might have in store during this month.

In Bilbao the weather in September is generally perfect, characterized by high temperatures and moderate rainfall. September is a summer month. Throughout the day, temperatures typically settle at around 22°C. But by evening, they drop to around 15°C.

Bilbao in September usually receives moderate rainfall, averaging around 76 mm for the month. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.

The city usually sees around 160 hours of sunlight, indicating a moderately sunny period.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. June, July, August and September 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 Bilbao climate page with graphs.

 

Bilbao, monthly averages in September

Min Temperature 15°C  

Max Temperature 22°C  

Chance of Rain 41%  

Precipitation 76 mm  

Rainy days 12 days  

Humidity 71%  

Sunshine 160 hours  

Percentage Sunshine  

Where to go in Spain in September

Find out more about the weather in Spain 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 Bilbao in September?

For visitors traveling to Bilbao, 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. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Spain? On this website you can find historical weather averages for many cities in Spain. 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.