Weather in Belgique in septembre
Country-wide climate normals across 15 cities in Belgique.
How Hot Is Belgique in septembre?
Belgique's September is consistently warm — typical 20°C, with no major regional outliers.
Sunshine in Belgique in septembre
Sun and cloud trade off across Belgique in September: Brussels averages 3.6h of direct sun a day, with daylight from 7:20 am to 7:55 pm. Conditions vary day to day, with bright spells interrupted by cloudy stretches. Most regions of the country see a similar mixed pattern, though some areas may lean drier or wetter than the national average.
Does It Rain In Belgique In septembre?
Moderate rainfall defines Belgique'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 Belgique Humid In septembre?
Belgique's September is humid — 73% on average in Brussels, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Belgique In septembre
Belgique's September has gentle wind — Brussels averages 18 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Belgique In septembre
Cloudy skies dominate Belgique in September — 61% cover in Brussels, 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.