14-day forecast — Brussels
Updated every hour
Thu · Today · 30 Jul
Sunny
30°
19°
0.1 mm
Fri · Tomorrow · 31 Jul
Sunny
31°
18°
4%
Saturday · 1 Aug
Sunny
29°
15°
2%
Sunday · 2 Aug
Sunny
31°
13°
2%
Monday · 3 Aug
Sunny
36°
17°
0.6 mm
Tuesday · 4 Aug
Sunny
32°
19°
2.5 mm
Wednesday · 5 Aug
Sunny intervals
27°
16°
7%
Thursday · 6 Aug
Cloudy
27°
17°
2.6 mm
Friday · 7 Aug
Cloudy
23°
15°
1.7 mm
Saturday · 8 Aug
Sunny
27°
13°
6.0 mm
Sunday · 9 Aug
Fog
24°
15°
6.1 mm
Monday · 10 Aug
Showers
25°
17°
5.7 mm
Tuesday · 11 Aug
Sunny
23°
15°
0.4 mm
Wednesday · 12 Aug
Sunny
26°
14°
5%
About Brussels
The Grand-Place, Art Nouveau and the best chips and chocolate in Europe — direct by Eurostar.
CountryBelgium
RegionBrussels-Capital
ContinentEurope
Time zoneEurope/Brussels (+02:00)
Latitude50.8503°
Longitude4.3517°
Air qualityModerate (EAQI 47)
Climate in Brussels in September
Averages over 8 years · best time to visitBest time to visit Brussels: May–September. With good weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 19°C | 16°C | ▼ 13°C |
| Highest temperature | ▼ 24°C | 20°C | ▼ 16°C |
| Lowest temperature | ▼ 15°C | 12°C | ▼ 10°C |
| Rainfall | ▲ 51 mm | 66 mm | ▲ 88 mm |
| Days with rain | → 11 d | 11 d | ▲ 13 d |
| Humidity | ▲ 68% | 76% | ▲ 83% |
| Sunshine hours per day | ▼ 11,0 h | 9,0 h | ▼ 5,9 h |
| Cloud cover | ▲ 24% | 29% | ▲ 45% |
| UV index (midday) | ▼ 8 | 5 | ▼ 3 |
| Day length | 14:29 | 12:37 | 10:42 |
| Our rating | Perfect | Good | Poor |
Temperature day by day in September mean + moving average
Rainfall day by day in September mm
UV index day by day in September midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
The weather for Brussels is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.