Brussels in September
Mild and pleasant, with one weekend of brewery stalls in the square and one Sunday when the entire centre belongs to pedestrians.
Is September a good time to visit Brussels?
September is a middling month in Brussels — crowds around 66/100. Not the worst, but January is noticeably calmer.
What’s on in September
- Belgian Beer Weekend on the Grand-Place (early September)
- Car-Free Sunday
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in Brussels, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in Brussels.
Book things to do
Tours and tickets in Brussels, from our booking partner.
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Frequently asked questions
Is September a good month to visit Brussels?
September is a middling month in Brussels — crowds around 66/100. Not the worst, but January is noticeably calmer.
How crowded is Brussels in September?
Brussels sits at roughly 66/100 in September on our crowd scale, which is 6 points above the yearly average. The quietest month is January.
What is the weather like in Brussels in September?
Expect highs around 20°C and lows near 11°C in September, with about 10 wet days across the month.