Arnuero Weather in September

Arnuero in September sees high daytime temperatures of 23°C (73°F) and nighttime lows of 16°C (61°F). Rainfall is fairly high this month at around 81 mm (3.2 in), so pack a rain jacket to stay dry.

Rainfall in Arnuero in September

Typically around 13 days of rainfall are expected, averaging 81 mm (3.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Arnuero in September

If you're visiting Arnuero in September, expect perfect temperatures with highs of 23°C (73°F) and overnight lows of 16°C (61°F). The month of September belongs to the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Arnuero in September

The area experiences a moderate amount of sunshine, with approximately 175 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Arnuero in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Average water temperature in September

The water temperature is 19°C (66°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Arnuero.

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

Arnuero Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 23°C (73°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 43%  

Precipitation 81 mm (3.2 in)  

Rainy days 13 days  

Humidity 77% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 175 hours *  

Percentage Sunshine *  

* Data from: Santander, Spain (20 KM, 12 Miles).

What to Wear in Arnuero in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 19°C (66°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Arnuero 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 Arnuero's climate page.

More climate data for Arnuero

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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