Ermua Weather in September

During September, Ermua experiences high daytime temperatures of 23°C (73°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 80 mm (3.1 in) is typical.

Rainfall in Ermua in September

Expect around 12 days of rain based on historical data, with 80 mm (3.1 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Ermua in September

September in Ermua is generally perfect, with days reaching 23°C (73°F) and nights settling around 14°C (57°F). September is known for being in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Ermua in September

The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and clouds.

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

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• January
• February
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• May
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• October
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• December

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

Ermua Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 41%  

Precipitation 80 mm (3.1 in)  

Rainy days 12 days  

Humidity 71% *  

Sunshine 160 hours *  

Percentage Sunshine *  

* Data from: Bilbao, Spain (36 KM, 22 Miles).

What to Wear in Ermua in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Ermua 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 Ermua's climate page.

More climate data for Ermua

Temperature Rainfall Sunshine Humidity

See the full Ermua climate overview or explore weather in Spain.