Brussels

Belgium Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Belgium in September.

Planning a journey to Belgium this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Belgium in September

September in Belgium generally has temperatures that range from mild to pleasant, with moderate precipitation.

Temperatures

During the day the temperature is mild in Butgenbach at 18°C (64°F) and pleasant in Mechelen at 21°C (70°F). As night falls, temperatures generally drop to 12°C (54°F) in Mechelen and 9°C (48°F) in Butgenbach.

To explore the conditions in Belgium in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Bon-Secours with an average of 58 mm (2.3 in) to moderate rainfall in Bredene with 87 mm (3.4 in).

Average sunshine

Sunshine amounts are decent in most places. Brussels gets approximately 142 hours of sunlight in September, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Belgium by month

Pick a month to see the average temperature, rainfall and sunshine in Belgium — and find the best time to visit. (based on Brussels)

Best Places to Visit in Belgium in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Belgium.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Belgium

What is the weather like in September for some of the most popular destinations in Belgium?

Temperature range in Belgium (September)

Precipitation variation in Belgium (September)

Brussels

In September Brussels generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
24°C (75°F)
21°C (70°F)
16°C (61°F)
Min temperature
14°C (57°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
198 hours
142 hours
110 hours
Monthly rainfall
79 mm (3.1 in)
61 mm (2.4 in)
63 mm (2.5 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions

Bruges

In September Bruges generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
23°C (73°F)
20°C (68°F)
16°C (61°F)
Min temperature
15°C (59°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
209 hours
153 hours
117 hours
Monthly rainfall
79 mm (3.1 in)
72 mm (2.8 in)
77 mm (3 in)
Monthly rainy days
14 days
15 days
17 days
Weather conditions

Ostend

In September Ostend generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
22°C (72°F)
19°C (66°F)
16°C (61°F)
Min temperature
16°C (61°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
217 hours
160 hours
120 hours
Monthly rainfall
84 mm (3.3 in)
85 mm (3.3 in)
97 mm (3.8 in)
Monthly rainy days
14 days
16 days
18 days
Weather conditions

Antwerp

In September Antwerp generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
24°C (75°F)
21°C (70°F)
16°C (61°F)
Min temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
204 hours
166 hours
118 hours
Monthly rainfall
80 mm (3.1 in)
64 mm (2.5 in)
65 mm (2.6 in)
Monthly rainy days
15 days
15 days
17 days
Weather conditions

Ghent

In September Ghent generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
24°C (75°F)
21°C (70°F)
16°C (61°F)
Min temperature
14°C (57°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
197 hours
145 hours
120 hours
Monthly rainfall
80 mm (3.1 in)
64 mm (2.5 in)
64 mm (2.5 in)
Monthly rainy days
14 days
15 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Belgium.

Popular cities in September

Day & night temperatures, rainfall and average weather in Belgium in September.

City Weather Day temp Night temp Rainfall
Brussels 21°C (70°F) 11°C (52°F) 61 mm (2.4 in)
Bruges 20°C (68°F) 13°C (55°F) 72 mm (2.8 in)
Ostend 19°C (66°F) 14°C (57°F) 85 mm (3.3 in)
Durbuy 19°C (66°F) 10°C (50°F) 77 mm (3 in)
Ypres 21°C (70°F) 12°C (54°F) 62 mm (2.4 in)
Antwerp 21°C (70°F) 12°C (54°F) 64 mm (2.5 in)

Belgium weather in September: frequently asked questions

What is the weather like in Belgium in September?

September in Belgium brings perfect weather. In Brussels, daytime temperatures are typically around 21°C (70°F) and nighttime lows hover near 11°C (52°F).

What is the average temperature in Belgium in September?

In Brussels, the average daytime high in September is 21°C (70°F), while nighttime temperatures drop to around 11°C (52°F).

Does Belgium get a lot of rain in September?

Rain is generally moderate to light in Belgium during September, with Brussels averaging close to 61 mm (2.4 in).

Is September a Good Time to Visit Belgium?

We consider September to be one of the best times to travel to Belgium. Typically, the climate in Brussels is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Brussels. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Belgium.

Weather and climate has detailed information for every country in the world. Are you going to Belgium? Get detailed historical weather averages for many cities in Belgium.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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