What's on in Brussels

Brussels events in September 2027

3 events in September 2027: 2 exhibitions and 1 concert, from headline festivals to neighbourhood fairs.

September is when the autumn exhibition season opens. In 2026 M.C. Escher opened at Tour & Taxis on 17 September and William Kentridge at Bozar on 18 September. More on the season in Neighbourhood guides.

Map

Brussels weather in September

Average high
20°C (67°F)
Average low
11°C (52°F)
Rain
65 mm
Rainy days
about 14

A light jacket or a sweater covers most days, and evenings cool to about 11°C (52°F). Pack a small umbrella too, as it rains on about 14 days.

Averages from the KMI/IRM (Royal Meteorological Institute of Belgium) normals for 1991 to 2020, Uccle station (rain table). Rainy days have at least 0.1 mm of rain.

Best time to visit Brussels

Picks for September 2027

Listings as of 13 November 2026. Chosen from the listings below by one rule. The city’s best-known annual events come first, then festivals and illuminations, events that start in these dates and run only a few days, and events with a photo. Each line is built from the listing’s own facts.

  1. CélébrationExhibition at Art et Marges Musée, 19 Nov 2026 to 26 Sept 2027.
  2. Lucky Luke rides again!Exhibition at Comic Art Museum, 11 Dec 2026 to 12 Sept 2027.

Calendar

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Day by day

Each event on its first day still ahead. Tap a day in the calendar for everything on that day.

On for weeks

2 long runs, such as exhibitions and illuminations: on for more than a week, so shown once instead of every day.

CélébrationArt et Marges Musée · 19 Nov 2026 to 26 Sept 2027
Lucky Luke rides again!Sainte-Catherine and De Brouckère · Comic Art Museum · 11 Dec 2026 to 12 Sept 2027

Planning a trip in September

The calendar above lists 3 events in September 2027, and it's updated every week. Where to stay in Brussels compares the main areas.

Good to know

What is on in Brussels in September 2027?

There are 3 events listed for September 2027 (2 exhibitions and 1 concert). 3 have confirmed dates. Every listing links to the interactive map.

What's the weather like in Brussels in September?

In September Brussels averages a high of 20°C (67°F) and a low of 11°C (52°F), with 65 mm of rain on about 14 days. Those are KMI/IRM (Royal Meteorological Institute of Belgium) averages for 1991 to 2020 at its Uccle station, counting days with at least 0.1 mm of rain.

Is September a good time to visit Brussels?

September is when the autumn exhibition season opens. In 2026 M.C. Escher opened at Tour & Taxis on 17 September and William Kentridge at Bozar on 18 September.

How current is this list?

Dated events are checked against the organiser's own page, and finished events drop off the page on their own. Annual events further out carry their usual dates until the official ones are published.

Running an event? Add your event and it's checked within a day.