De Kooy Weather in September

September in De Kooy typically sees daytime highs of 19°C (66°F) and nighttime lows of 15°C (59°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in De Kooy in September

Rain is expected on roughly 16 days, totalling around 103 mm (4.1 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in De Kooy in September

Temperatures in De Kooy in September top out at 19°C (66°F) and drop to 15°C (59°F) overnight. During September, you'll experience the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 15°C (59°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 Kooy in September

The city usually sees around 141 hours of sunlight, indicating a moderately sunny period.

Wind Speed in De Kooy in September

Average wind conditions reach 6 m/s (12 knots) in September. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in September

The water is 16°C (61°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for De Kooy.

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

De Kooy Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 19°C (66°F)  

Water Temperature 16°C (61°F)  

Chance of Rain 54%  

Precipitation 103 mm (4.1 in)  

Rainy days 16 days  

Humidity 81%  

Windspeed 6 m/s (12 knots)  

Sunshine 141 hours  

Percentage Sunshine 37%  

What to Wear in De Kooy in September

For De Kooy 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. Expect water temperatures of around 16°C (61°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in De Kooy 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

6/10

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 Kooy's climate page.

More climate data for De Kooy

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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