Groote Keeten Weather in September

During September, Groote Keeten experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 103 mm (4.1 in) is typical.

Rainfall in Groote Keeten in September

Typically, about 16 days will experience rainfall, with an average of 103 mm (4.1 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Groote Keeten in September

If you're visiting Groote Keeten in September, expect highs of 19°C (66°F) and overnight lows around 14°C (57°F). The summer season takes place during September. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 14°C (57°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 Groote Keeten in September

You can expect a moderate amount of sunlight, with approximately 141 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Groote Keeten 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

With water at 16°C (61°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Groote Keeten.

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

Groote Keeten Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 19°C (66°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 53%  

Precipitation 103 mm (4.1 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 (7 KM, 4 Miles).

What to Wear in Groote Keeten in September

For Groote Keeten 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Groote Keeten 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 Groote Keeten's climate page.

More climate data for Groote Keeten

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Groote Keeten climate overview or explore weather in the Netherlands.