Hernani weather in September (Basque Country, Spain)

What weather conditions can you expect in Hernani this September? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

Typically, September in Hernani includes high temperatures and high rainfall. The month of September belongs to the summer season. Expect daytime highs to reach approximately 22°C, with nighttime lows dipping to around 15°C.

Precipitation

Hernani in September usually receives high rainfall, averaging around 105 mm for the month. When we look at the climate data from the last 30 years, you can expect around 13 days of rain.

Average sunshine

The area enjoys a balanced 170 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, 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 Hernani climate page with graphs.

 

Hernani, monthly averages in September

Min Temperature 15°C  

Max Temperature 22°C  

Chance of Rain 43%  

Precipitation 105 mm  

Rainy days 13 days  

Humidity 75% *  

Sunshine 170 hours *  

Percentage Sunshine *  

* Data from: San Sebastián, Spain (5 KM, 3 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 Hernani, 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 Hernani.

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.