Weather in Brussels in September
Climate normals based on 10 years of historical data for Brussels, Belgium.
Average high
21°C
Average low
12°C
Rainfall
69 mm
12 rainy days
Sunshine
3.7h/day
Kelembapan
72%
How Hot Is Brussels in September?
Brussels starts to ease back from summer's peak — afternoon highs of 21°C and overnight lows of 12°C in September.
Sunshine Hours in September
Mixed skies in Brussels: 3.7h of sun on a typical day, daylight from 7:20 am to 7:55 pm.
Does It Rain In Brussels In September?
Plan around wet weather: Brussels sees 69mm of rain on 12 days.
Is Brussels Humid In September?
Humid air dominates Brussels in September: 72% on average makes warm days feel hotter.
Wind In Brussels In September
Wind stays light: 18 kph on a typical day in Brussels.
Cloud Cover In Brussels In September
Cloudy skies dominate Brussels in September — averaging 60% cloud cover.
Cities With Similar Weather In September
Weather in Brussels, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca pada Januari | 6°C / 2°C | 76mm | Details → |
| Cuaca pada Februari | 8°C / 3°C | 68mm | Details → |
| Cuaca pada Mac | 11°C / 4°C | 76mm | Details → |
| Cuaca pada April | 14°C / 5°C | 49mm | Details → |
| Cuaca pada Mei | 18°C / 9°C | 66mm | Details → |
| Cuaca pada Jun | 22°C / 13°C | 78mm | Details → |
| Cuaca pada Julai | 23°C / 14°C | 73mm | Details → |
| Cuaca pada Ogos | 24°C / 15°C | 65mm | Details → |
| Cuaca pada September | 21°C / 12°C | 69mm | |
| Cuaca pada Oktober | 16°C / 9°C | 74mm | Details → |
| Cuaca pada November | 10°C / 6°C | 72mm | Details → |
| Cuaca pada Disember | 8°C / 4°C | 76mm | Details → |