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Basque Country weather in September

Are you planning a trip to Basque Country in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Basque Country in September?

Basque Country is a region in Spain. September in Basque Country generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high. September falls during the summer season.

The average maximum daytime temperatures vary from pleasant in Bakio at 22°C to warm in La puebla de Labarca at 25°C. Nighttime temperatures generally drop to 12°C in La puebla de Labarca and 17°C in Bakio.

In September, precipitation varies across different areas. From moderate rainfall in La puebla de Labarca with an average of 40 mm to high rainfall in Urnieta with 105 mm. Most cities enjoy a balanced amount of sunshine, with around 170 hours of sunlight anticipated in San Sebastián. This ensures the days are neither too dim nor excessively sunny.

For specific regional insights in Basque Country for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Basque Country climate page.

Where to go in Basque Country in September

Find the average weather conditions in September for the most popular destinations in Basque Country on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in Basque Country

What is the weather like in September for the 5 most popular destinations in Basque Country?

Average weather in San Sebastián

In September San Sebastián generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.

San Sebastián
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
18°C 
198 hours 
90 mm 
13 days 
22°C 
16°C 
170 hours 
104 mm 
13 days 
October   >> October
>>  
19°C 
13°C 
134 hours 
133 mm 
15 days 
Climate in San Sebastián

Average weather in Bilbao

In September Bilbao generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Bilbao
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
17°C 
179 hours 
64 mm 
12 days 
22°C 
15°C 
160 hours 
76 mm 
12 days 
October   >> October
>>  
20°C 
13°C 
125 hours 
105 mm 
14 days 
Climate in Bilbao

Average weather in Vitoria-Gasteiz

In September Vitoria-Gasteiz generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Vitoria-Gasteiz
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
26°C 
14°C 
179 hours 
44 mm 
10 days 
23°C 
12°C 
160 hours 
55 mm 
11 days 
October   >> October
>>  
19°C 
9°C 
125 hours 
83 mm 
13 days 
Climate in Vitoria-Gasteiz

Average weather in Zarautz

In September Zarautz generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Zarautz
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
17°C 
198 hours 
86 mm 
13 days 
22°C 
15°C 
170 hours 
99 mm 
13 days 
October   >> October
>>  
19°C 
13°C 
134 hours 
129 mm 
15 days 
Climate in Zarautz

Average weather in Orio

In September Orio generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Orio
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
17°C 
198 hours 
89 mm 
13 days 
22°C 
15°C 
170 hours 
101 mm 
13 days 
October   >> October
>>  
19°C 
13°C 
134 hours 
130 mm 
15 days 
Climate in Orio

Is your destination not in the list? Have a look at other destinations in Basque Country, in Spain.

Is September the best time to visit Basque Country?

In our opinion, September is a good time to visit Basque Country with overall pleasant weather in San Sebastián.

On average, the best time to visit Basque Country is in June, July and August with generally perfect weather in San Sebastián. The weather in January, February, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Basque Country. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Spain? Get detailed 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.