Castro-Urdiales Weather in September

September in Castro-Urdiales brings high temperatures, with daytime highs of 22°C (72°F) and nights around 16°C (61°F). Quite a bit of rainfall is expected, around 78 mm (3.1 in), so pack an umbrella.

Rainfall in Castro-Urdiales in September

Historically, the month has about 13 days of rain, averaging 78 mm (3.1 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Castro-Urdiales in September

September in Castro-Urdiales is generally perfect, with days reaching 22°C (72°F) and nights settling around 16°C (61°F). Experience the summer season in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Castro-Urdiales in September

With about 160 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Castro-Urdiales.

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For a detailed overview over the year and the best time to visit Spain, check out our Castro-Urdiales's climate page.

Castro-Urdiales Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 42%  

Precipitation 78 mm (3.1 in)  

Rainy days 13 days  

Humidity 71% *  

Sunshine 160 hours *  

Percentage Sunshine *  

* Data from: Bilbao, Spain (26 KM, 16 Miles).

What to Wear in Castro-Urdiales in September

For Castro-Urdiales in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Castro-Urdiales in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our Castro-Urdiales's climate page.

More climate data for Castro-Urdiales

Temperature Rainfall Sunshine Humidity

See the full Castro-Urdiales climate overview or explore weather in Spain.