Belgium in september: average Weather, Temperature and Climate, Where to go?
Weather in Belgium in september 2025
Below, you have access to the weather forecast for september for most popular cities in Belgium. These datas are statistics for the month of september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Brussels
good weather
Weather at 6am
56°F
Partly Cloudy
27% of time
26%
18%
13%
Weather at 12pm
68°F
Clear/Sunny
33% of time
29%
25%
10%
Weather at 6pm
63°F
Clear/Sunny
35% of time
27%
23%
10%
Weather at 3am
56°F
31%
24%
22%
14%
Where to go in Belgium in september?
Where to go in Belgium in september: destination map
Where to go in each region in september?
| Brussels-Capital (Brussels...) | 70°F | 5 days | 67°F | good weather |
| Flanders (Brugge, Gent, Antwerp...) | 67°F to 70°F | 1 à 6 days | 65°F to 67°F | good weather |
| Wallonia (Liege, Namur, Neufchâteau...) | 65°F to 70°F | 3 à 5 days | good weather |
Where should you go in Belgium in september when it comes to the weather?
Remember:
The climate in Belgium in september is good across the board.
Although it is not perfect the weather in Belgium in september is, according to seasonal norms, quite good averywhere: in Mons, Charleroi, Brussels, Ostend, Liege, Brugge, Antwerp, Bastogne, Dinant, Ypres, Gent and Namur. I allows to enjoy vacation in these areas. And even why not take a little time to enjoy the hotel pool!
Climate in Belgium in september
Climate in Brussels in september
In the month of september, the mean temperature in Brussels is 63°F (maximum temperature is 70°F and minimum temperature is 56°F). The climate quite pleasant here in the month of september. With 2.7in over 5 days, rain may be scarce for your trip.
With good weather conditions, september is a good month to go there.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Sea temperature | 65°F | ||
| Rainfall | 2.7in | ||
| Number of days with rainfall | 5 day(s) (15%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 12:38 | ||
| Our opinion at whereandwhen.net | good |
Climate in Antwerp in september
In the month of september, maximum temperature is 70°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate comfortable in that locality in the month of september. With 2in over 3 days, the rain will not be a problem during your vacations.
With a good climate, september is an advisable month to go in this locality in Belgium.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 2in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 12:39 | ||
| Our opinion at whereandwhen.net | good |
Climate in Brugge in september
In september, maximum temperature is 68°F and minimum temperature is 58°F (for an average temperature of 63°F). The climate enjoyable in this location in september. With 3.1in over 6 days, you will experience some showers for your stay. But this is rather reasonably and you will not be too bothered by it.
With good weather conditions, the month of september is a good month to go in Brugge in Belgium.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 65°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 6 day(s) (18%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 39% | ||
| Length of day | 12:39 | ||
| Our opinion at whereandwhen.net | good |
Climate in Gent in september
In the month of september, maximum temperature is 70°F and minimum temperature is 56°F (for an average temperature of 63°F). The climate quite nice around this city in the month of september. With barely 1.7in over 2 days, the rain will not be a problem during your vacations.
With good weather conditions, the month of september is a good month to go in this locality.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 1.7in | ||
| Number of days with rainfall | 2 day(s) (8%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 42% | ||
| Length of day | 12:39 | ||
| Our opinion at whereandwhen.net | good |
Climate in Liege in september
In the month of september, maximum temperature is 68°F and minimum temperature is 52°F (for an average temperature of 61°F). The climate quite enjoyable there in september. With just 2.7in over 4 days,
it rains very little for your vacations.
With a good climate, september is a recommended month to go in that area.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 52°F | ||
| Rainfall | 2.7in | ||
| Number of days with rainfall | 4 day(s) (15%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 40% | ||
| Length of day | 12:38 | ||
| Our opinion at whereandwhen.net | good |
All cities in Belgium in september
| Brussels in september | good weather |
| Antwerp in september | good weather |
| Brugge in september | good weather |
| Gent in september | good weather |
| Liege in september | good weather |
| Namur in september | good weather |
| Neufchâteau in september | good weather |
| Charleroi in september | good weather |
| Houffalize in september | good weather |
| Ostend in september | good weather |
| Villers-la-Ville in september | good weather |
| Bastogne in september | good weather |
| Bouillon in september | good weather |
| Bredene-aan-Zee in september | good weather |
| De Haan in september | good weather |
| Dinant in september | good weather |
| Durbuy in september | good weather |
| Gedinne in september | good weather |
| Hoeilaart in september | good weather |
| De Panne in september | good weather |
| Libramont-Chevigny in september | good weather |
| Louvain-la-Neuve in september | good weather |
| Mons in september | good weather |
| Nieuwpoort in september | good weather |
| Nisramont in september | good weather |
| Oostduinkerke-Bad in september | good weather |
| Tienen in september | good weather |
| Tongeren in september | good weather |
| Tournai in september | good weather |
| Westende-Bad in september | good weather |
| Ypres in september | good weather |
| Zwin in september | good weather |
| Aalst in september | good weather |
| Arlon in september | good weather |
| Beringen in september | good weather |
| Blankenberge in september | good weather |
| Kortrijk in september | good weather |
| Couvin in september | good weather |
| Koksijde in september | good weather |
| Eeklo in september | good weather |
| Eupen in september | good weather |
| Geel in september | good weather |
| Genk in september | good weather |
| Geraardsbergen in september | good weather |
| Hasselt in september | good weather |
| Knokke-Heist in september | good weather |
| La Louvière in september | good weather |
| Lommel in september | good weather |
| Leuven in september | good weather |
| Maaseik in september | good weather |
| Mechelen in september | good weather |
Weather data for Belgium in september:
Weather data for Belgium in september is derived from an average of the weather forecast since 2009 in Belgium. There is a margin of error and these forecasts are to be considered as general information only. The weather in Belgium can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Belgium.