Irún weather in September (Basque Country, Spain)

What should you pack for a trip to Irún in September? Here's what you need to know about the weather for the month.

Temperatures

During September, Irún usually has high temperatures and high rainfall. The summer season takes place during September. During the day, temperatures can climb to about 23°C. At night, they may fall to a cooler 15°C.

Precipitation

Irún in September usually receives high rainfall, averaging around 103 mm for the month. Looking at the last 30 years, the data shows about 13 days with rain.

Average sunshine

With about 170 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you prefer dry days with pleasant temperatures, June, July and August typically offer 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 Irún climate page with graphs.

 

Irún, monthly averages in September

Min Temperature 15°C  

Max Temperature 23°C  

Chance of Rain 43%  

Precipitation 103 mm  

Rainy days 13 days  

Humidity 75% *  

Sunshine 170 hours *  

Percentage Sunshine *  

* Data from: San Sebastián, Spain (15 KM, 9 Miles).

Where to go in Spain in September

Find out more about the weather in Spain and which places have the best travel 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 this month?

For visitors traveling to Irún, 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.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Irún.

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