worldweatherBelgium weather in September - temperature, rain and is it a good time to visit?
September is one of the best months for a holiday in Belgium.
Daytime
20°
Night
10°
☀️ Day length
12 h 40 min
Chance of rain
46%
Thunder days
4%
Humid days
23%
In September, Belgium averages about 20° during the day and 10° at night. There's a moderate chance of rain (about 46%).
Belgium weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 6℃ | 0℃ | 63% |
| February | 7℃ | 0℃ | 59% |
| March | 11℃ | 2℃ | 45% |
| April | 15℃ | 4℃ | 51% |
| May ★ | 19℃ | 8℃ | 55% |
| June ★ | 22℃ | 11℃ | 52% |
| July ★ | 25℃ | 14℃ | 48% |
| August ★ | 23℃ | 13℃ | 52% |
| September ★ | 20℃ | 10℃ | 46% |
| October ★ | 16℃ | 8℃ | 55% |
| November | 10℃ | 4℃ | 70% |
| December | 8℃ | 3℃ | 62% |
★ - months most often recommended for travel
Where is it warmest in Belgium in September? Weather by city
| Place | Day | Night | Chance of rain |
|---|---|---|---|
| Liège | 21℃ | 10℃ | 45% |
| Spa | 21℃ | 10℃ | 45% |
| Verviers | 21℃ | 10℃ | 45% |
| Mouscron | 20℃ | 11℃ | 47% |
| Heist-op-den-Berg | 20℃ | 11℃ | 47% |
| Brussels | 18℃ | 10℃ | 46% |
Travelling soon? Check the live 14-day weather forecast for Belgium.