Westerland Weather in September

Westerland in September averages 19°C (66°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Westerland in September

Typically around 16 days of rainfall are expected, averaging 99 mm (3.9 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Westerland in September

Daytime temperatures in Westerland reach 19°C (66°F) in September, dropping to 14°C (57°F) at night. Summer occurs in September. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Westerland in September

The area experiences a moderate amount of sunshine, with approximately 141 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Westerland in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in September

The water temperature is 16°C (61°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Westerland.

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• January
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• May
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For a detailed overview over the year and the best time to visit the Netherlands, check out our Westerland's climate page.

Westerland Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 19°C (66°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 54%  

Precipitation 99 mm (3.9 in)  

Rainy days 16 days  

Humidity 81% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 141 hours *  

Percentage Sunshine 37% *  

* Data from: De Kooy, the Netherlands (10 KM, 6 Miles).

What to Wear in Westerland in September

For Westerland 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Westerland 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 the Netherlands, check out our Westerland's climate page.

More climate data for Westerland

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Westerland climate overview or explore weather in the Netherlands.