Sassenheim Weather in September

With daytime temperatures of 19°C (66°F) and nighttime lows of 13°C (55°F), September in Sassenheim brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 97 mm (3.8 in) falls on average.

Rainfall in Sassenheim in September

Historically, approximately 16 days this month are expected to have rain, averaging 97 mm (3.8 in). 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 Sassenheim in September

Expect highs of 19°C (66°F) in Sassenheim in September, with nights dropping to around 13°C (55°F). September is part of the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Sassenheim in September

The area experiences a moderate amount of sunshine, with approximately 144 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Sassenheim in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Sassenheim Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 52%  

Precipitation 97 mm (3.8 in)  

Rainy days 16 days  

Humidity 82% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 144 hours *  

Percentage Sunshine 37% *  

* Data from: Valkenburg, the Netherlands (8 KM, 5 Miles).

What to Wear in Sassenheim in September

For Sassenheim 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sassenheim 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 Sassenheim's climate page.

More climate data for Sassenheim

Temperature Rainfall Sunshine Humidity Wind Speed

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