Harmelen Weather in September

September in Harmelen 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 76 mm (3 in), so keep a rain jacket handy.

Rainfall in Harmelen in September

Expect around 15 days of rain based on historical data, with 76 mm (3 in) average. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Harmelen in September

September is a good time to be in Harmelen. Days are excellent, reaching 20°C (68°F), with nights around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Harmelen in September

With about 155 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Harmelen 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 favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Harmelen.