Flemish Brabant Weather in September

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

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Leuven Diegem Zaventem Diest

Planning a trip to Flemish Brabant, Belgium this September? Here's what you need to know about the weather:

What to Expect in Flemish Brabant in September

Flemish Brabant, Belgium is a region in Belgium. September in Flemish Brabant generally has pleasant temperatures, with moderate precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 21°C (70°F) and nighttime temperatures around 11°C (52°F) in Leuven.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Vilvoorde with an average of 61 mm (2.4 in) to moderate rainfall in Montenaken with 68 mm (2.7 in).

Average sunshine

Sunshine is fairly consistent across many areas. Leuven receives about 142 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Flemish Brabant by month

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

January7°C (45°F) February8°C (46°F) March12°C (54°F) April16°C (61°F) May19°C (66°F) June22°C (72°F) This monthJuly24°C (75°F) August24°C (75°F) September21°C (70°F) October16°C (61°F) November11°C (52°F) December8°C (46°F)
Best Time to Visit Flemish Brabant →

Best Places to Visit in Flemish Brabant in September

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

Conditions Temperatures Precipitation
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 Flemish Brabant

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

Temperature range in Flemish Brabant (September)

Precipitation variation in Flemish Brabant (September)

Leuven

In September Leuven 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 »
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
81 mm (3.2 in)
62 mm (2.4 in)
64 mm (2.5 in)
Monthly rainy days
14 days
14 days
16 days
Weather conditions
perfect
perfect
tolerable
Climate in Leuven →

Diegem

In September Diegem 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 »
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
19 days
Weather conditions
perfect
perfect
tolerable
Climate in Diegem →

Zaventem

In September Zaventem 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 »
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
perfect
perfect
tolerable
Climate in Zaventem →

Diest

In September Diest 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 »
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
184 hours
152 hours
119 hours
Monthly rainfall
81 mm (3.2 in)
63 mm (2.5 in)
66 mm (2.6 in)
Monthly rainy days
14 days
14 days
16 days
Weather conditions
perfect
perfect
tolerable
Climate in Diest →

Wemmel

In September Wemmel 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 »
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
perfect
perfect
tolerable
Climate in Wemmel →

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Leuven 21°C (70°F) 11°C (52°F) 62 mm (2.4 in)
Diegem 21°C (70°F) 11°C (52°F) 61 mm (2.4 in)
Zaventem 21°C (70°F) 11°C (52°F) 61 mm (2.4 in)
Diest 21°C (70°F) 11°C (52°F) 63 mm (2.5 in)
Wemmel 21°C (70°F) 11°C (52°F) 61 mm (2.4 in)
Aarschot 21°C (70°F) 11°C (52°F) 61 mm (2.4 in)

Flemish Brabant weather in September: frequently asked questions

What is the weather like in Flemish Brabant, Belgium in September?

Flemish Brabant, Belgium typically experiences perfect weather in September, part of the season. Daytime highs in Leuven average around 21°C (70°F), and temperatures drop to about 11°C (52°F) at night.

What is the average temperature in Flemish Brabant, Belgium in September?

Daytime temperatures in Leuven peak at roughly 21°C (70°F) in September, dropping to about 11°C (52°F) overnight.

Does Flemish Brabant, Belgium get a lot of rain in September?

September is on the drier side in Flemish Brabant, Belgium. Leuven averages only about 62 mm (2.4 in), with most days staying dry.

Is September a Good Time to Visit Flemish Brabant, Belgium?

We believe that September is one of the best times to visit Flemish Brabant, Belgium with overall perfect weather in Leuven. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, June, July, August and September provide perfect weather in Leuven. In contrast, January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Flemish Brabant.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Do a pub crawl in Antwerp

You can visit Antwerp year round however May through September is the best time to go to Antwerp for a pub crawl. Late spring is recommended for its long days.
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