Weather in Belanda in September
Country-wide climate normals across 14 cities in Belanda.
How Hot Is Belanda in September?
Belanda's small geographic footprint means September is uniformly mild — typical 20°C highs nationwide.
Sunshine in Belanda in September
Belanda's September brings mixed skies — Amsterdam averages 3.3h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 7:15 am and 7:55 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Belanda In September?
Belanda sees moderate rainfall in September — Amsterdam averages 77mm across 11 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's September weather mixes sunny stretches with regular shower spells.
Is Belanda Humid In September?
Mugginess defines Belanda's September: humidity averages 75% in Amsterdam, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In Belanda In September
Belanda's September has gentle wind — Amsterdam averages 19 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Belanda In September
Cloudy skies dominate Belanda in September — 64% cover in Amsterdam, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.