Things to do in Brussels in September

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Overview

September is a great time to visit Brussels. The weather is usually mildly cool with a gentle breeze, with temperatures ranging from 50—68°F (10—20°C). There are plenty of events to check out and activities to try in Brussels during this time. Some of our top recommendations: take a day trip to the Sonian Forest, take a bike tour of Brussels' parks and gardens, visit the Royal Greenhouses of Laeken, and more!

Brussels has plenty to offer for visitors of all ages and interests. In this article, we tell you the top things to see and do for your September trip to Brussels. Get inspired by the events, activities, attractions, and experiences unique to September. We’ll let you know where to explore events based on your interests, whether that’s food, culture, art, music, sport or others.

We’ll let you know everything you need to prepare for the weather in Brussels in September. Learn about what to wear and pack for your trip, the average temperatures throughout September, temperature changes from morning to evening and much more.

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Don't take our word for it
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Best events and things to do in Brussels in September

Top experiences in September
Take a day trip to the Sonian Forest
September is a great time to escape the city and explore the natural beauty of the Sonian Forest, located just outside of Brussels. This ancient forest is a UNESCO World Heritage site and offers a peaceful retreat for hikers, cyclists, and nature lovers. Visitors can explore the forest's network of trails, visit historic landmarks like the Rouge-Cloître Abbey, and enjoy a picnic amidst the serene surroundings. It's a great way to experience the beauty of Belgium's natural landscapes.
Take a bike tour of Brussels' parks and gardens
September is a great time to explore Brussels' green spaces, as the weather is still pleasant and the parks and gardens are in full bloom. Taking a bike tour allows you to cover more ground and visit multiple parks, such as the Parc du Cinquantenaire, Bois de la Cambre, and the Royal Greenhouses of Laeken. You'll get to enjoy the natural beauty of the city while also learning about its history and culture from a knowledgeable guide.
Visit the Royal Greenhouses of Laeken
In September, the Royal Greenhouses of Laeken are still open to the public, offering a unique opportunity to explore these stunning glass structures and their lush botanical gardens. The greenhouses are home to a diverse collection of exotic plants and flowers, and their architectural design is a sight to behold. Visitors can wander through the various pavilions and enjoy the peaceful and enchanting atmosphere of this royal estate.
Attend the Belgian Beer Weekend
September is the perfect time to experience the Belgian Beer Weekend in Brussels. This annual event showcases over 400 different types of Belgian beer, allowing visitors to sample and learn about the rich history and culture of brewing in Belgium. The festival also features live music, food stalls, and beer-related activities, making it a must-visit for beer enthusiasts and those looking to immerse themselves in Belgian culture.
Explore the Brussels Comic Strip Festival
In September, Brussels hosts the annual Comic Strip Festival, celebrating the city's rich history of comic art and its famous comic book characters like Tintin and the Smurfs. The festival features exhibitions, workshops, book signings, and a grand parade of giant comic strip balloons through the streets of Brussels. It's a unique and fun experience for comic book fans and a great way to explore the city's artistic heritage.
Explore the European Heritage Days in Brussels
During the European Heritage Days in September, many of Brussels' most iconic buildings and landmarks open their doors to the public for free. This is a unique opportunity to explore hidden gems and historical sites that are not usually accessible to the public. Visitors can take guided tours of palaces, government buildings, and cultural institutions, gaining insight into the city's rich architectural and cultural heritage.
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Holidays in Brussels in September
September

There are no holidays in Brussels in September

Other notable holidays
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Weather in Brussels in September

Temperatures on an average day in Brussels in September

The average temperature in Brussels in September for a typical day ranges from a high of 68°F (20°C) to a low of 50°F (10°C). Some would describe it as mildly cool with a gentle breeze.

For comparison, the hottest month in Brussels, July, has days with highs of 75°F (24°C) and lows of 55°F (13°C). The coldest month, February has days with highs of 44°F (7°C) and lows of 32°F (-0°C). This graph shows how an average day looks like in Brussels in September based on historical data.

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Historical temperature average in September
68°F
highs
50°F
lows

General weather summary

Mildly cool with a gentle breeze
Feels like
26%
Chance of rain
0.076 in
Amount
13.9 mph
Wind speed
74%
Humidity
12.7 hrs
Daylight length
7:15 AM
Sunrise
7:58 PM
Sunset
51%
Cloud cover
Sweater
What to wear
What to wear in September
With an average high of 68°F (20°C) and a low of 50°F (10°C), it generally feels mildly cool with a gentle breeze. There might also be a small chance of rain. With that in mind, most people would dress in something moderately warm like a sweater
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Best attractions for Brussels in September

Besides the array of exciting events and activities Brussels has to offer for travelers in September, we want to remind you of the classic attractions in Brussels that are great to visit at this time of the year as well! You can’t miss these iconic landmarks, local favorites, and places rich with cultural heritage. We hope to give you insights and inspiration into the best things to see and do to make the most of your visit. Here is a list of our top attractions in Brussels for September.
Grand Place
1. Grand Place
4.7
(150775)
Plaza
Sights & Landmarks
Huge city square completely encircled by elegant historic buildings dating back to the 14th century.
Manneken Pis
2. Manneken Pis
3.9
(69741)
Fountain
Sights & Landmarks
Iconic 17th-century fountain with a bronze statue of small boy, dressed in costume during festivals.
Atomium
3. Atomium
4.4
(90698)
Sights & Landmarks
Cultural landmark
Giant stainless steel atom, particles connected by escalators, with exhibitions & views from 92m.
Royal Gallery of Saint Hubert
4. Royal Gallery of Saint Hubert
4.5
(38385)
Shopping mall
Shopping
This ornate shopping center under an arched glass roof offers high-end shops, eateries & theaters.
St Michael and St Gudula Cathedral, Brussels
5. St Michael and St Gudula Cathedral, Brussels
4.7
(18906)
Catholic cathedral
Sights & Landmarks
Belgium's national church, host to royal weddings & funerals, built in the Brabant Gothic style.
Mini-Europe
6. Mini-Europe
4.3
(10046)
Theme park
Water & Amusement Parks
Miniature park with Europe's landmarks created on a scale of 1:25, from Big Ben to the Eiffel Tower.
Musical Instruments Museum
7. Musical Instruments Museum
4.4
(5300)
Museum
Specialty Museums
Art nouveau museum with exhibits including traditional & mechanical instruments & a concert hall.
Parlamentarium
8. Parlamentarium
4.5
(5990)
Museum
Sights & Landmarks
Brussels Town Hall
9. Brussels Town Hall
4.7
(1270)
Local government office
Sights & Landmarks
1400s town hall with intricate Gothic facade & tower, plus tapestries & a mirrored concert hall.
Royal Museum of the Armed Forces and Military History
10. Royal Museum of the Armed Forces and Military History
4.5
(5130)
Museum
History museum
Military museum including equipment through the ages, including 20th-century tanks & medieval armor.
Parc du Cinquantenaire
11. Parc du Cinquantenaire
4.6
(35204)
Park
Sights & Landmarks
Landscaped 19th-century city park with floral gardens & fountains, home to art & military museums.
Musée Magritte Museum
12. Musée Magritte Museum
4.3
(6422)
Museum
Art museum
Chronologically organized art museum with works by René Magritte & artifacts exploring his life.
Comics Art Museum
13. Comics Art Museum
4.0
(2791)
Museum
Sights & Landmarks
Comic-book museum with original artwork & reading room, set in Victor Horta's art nouveau warehouse.
Church of Our Lady of Victories at the Sablon
14. Church of Our Lady of Victories at the Sablon
4.6
(4713)
Catholic church
Sights & Landmarks
This 15th-century Catholic church is known for its baroque chapels & Gothic architecture.
Autoworld
15. Autoworld
4.6
(9758)
Museum
Specialty Museums
From vintage carriages to iconic racing cars, via presidential limousines in a spacious car museum.
Musée René Magritte Museum
16. Musée René Magritte Museum
4.4
(304)
Modern art museum
Museums
Comprehensive collection of paintings, photos & film works by Rene Magritte in his former home.

Looking for day-by-day itineraries in Brussels?

Get inspired for your trip to Brussels with our curated itineraries that are jam-packed with popular attractions everyday! Check them out here:

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