De Bilt Weather in September

September in De Bilt brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 74 mm (2.9 in), so keep a rain jacket handy.

Rainfall in De Bilt in September

Rain is expected on roughly 16 days, totalling around 74 mm (2.9 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in De Bilt in September

September is one of the better months to visit De Bilt. Expect 20°C (68°F) during the day and 11°C (52°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in De Bilt in September

The month brings about 155 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in De Bilt in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

De Bilt Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 53%  

Precipitation 74 mm (2.9 in)  

Rainy days 16 days  

Humidity 83%  

Windspeed 3 m/s (6 knots)  

Sunshine 155 hours  

Percentage Sunshine 35%  

What to Wear in De Bilt in September

For De Bilt 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in De Bilt 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 De Bilt's climate page.

More climate data for De Bilt

Temperature Rainfall Sunshine Humidity Wind Speed

See the full De Bilt climate overview or explore weather in the Netherlands.