Weather in Belgie in září
Country-wide climate normals across 15 cities in Belgie.
How Hot Is Belgie in září?
Belgie's September is consistently warm — typical 20°C, with no major regional outliers.
Sunshine in Belgie in září
Belgie's September brings mixed skies — Brussels averages 3.6h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 7:20 am and 7:55 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Belgie In září?
Moderate rainfall defines Belgie's September: Brussels averages 70mm across 12 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Belgie Humid In září?
Belgie feels humid through September: 73% in Brussels, similar nationwide. Warm days feel several degrees hotter than the thermometer suggests, and morning mist or post-rain steam is common. Drier upland or interior regions may feel a bit less oppressive.
Wind In Belgie In září
Gentle steady winds define Belgie's September: Brussels averages 18 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Belgie In září
Belgie sees mostly cloudy weather through September: Brussels averages 61% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.