Wassenaar Weather in September

With daytime temperatures of 19°C (66°F) and nighttime lows of 13°C (55°F), September in Wassenaar brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 95 mm (3.7 in) falls on average.

Rainfall in Wassenaar in September

Historically, September sees about 16 days of rain, with a monthly average of 95 mm (3.7 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 Wassenaar in September

If you're visiting Wassenaar in September, expect highs of 19°C (66°F) and overnight lows around 13°C (55°F). September is typically considered a summer month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Wassenaar in September

The area enjoys a balanced 144 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Wassenaar in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

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