
Brussels in September
Autumn in Brussels: expect mild weather with highs of 21°C.
Photo: Valeriia Bugaiova / Unsplash
September Weather in Brussels
🌡️
Average High
21°C
❄️
Average Low
13°C
🌧️
Rain Days
13.2
🌤️
Season
Autumn
What to Expect
September in Brussels brings mild weather with daytime highs around 21°C and nighttime lows of 13°C. You can expect approximately 13.2 days of rain during the month. This is peak tourist season, so book accommodation and popular tours well in advance. Prices tend to be higher.
Packing tip: Bring layers for comfortable days and cooler evenings. A light jacket is advisable. An umbrella or rain jacket is essential.
September Costs in Brussels
Budget
EUR 70
per day
Mid-Range
EUR 150
per day
Luxury
EUR 350
per day
Things to Do in Brussels in September
Our Top 5 Favourite Tours in Brussels
Hand-picked guided experiences you can book in advance on GetYourGuide.
Brussels Walking Tour: Highlights & Hidden Gems
Discover Brussels on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
View Tour DetailsBrussels Food Tour: Street Food & Local Favourites
Eat your way through Brussels with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
View Tour DetailsBest of Brussels: Skip-the-Line Top Attractions
Skip the queues and get straight into Brussels's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
View Tour DetailsDay Trip from Brussels: Scenic Excursion
Escape Brussels for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
View Tour DetailsBrussels Cultural Experience: History & Traditions
Go beyond sightseeing and connect with Brussels's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
View Tour DetailsWe earn a small commission if you book through these links, at no extra cost to you. This helps us keep FindYourStay free.
Hotels in Brussels for September
Peak season fills up fast. Book early for the best selection.
We earn a small commission if you book through this link, at no extra cost to you.
FAQ: Brussels in September
What is the weather like in Brussels in September?
Brussels in September has average highs of 21°C and lows of 13°C, with around 13.2 rainy days. The weather is generally mild.
Is September a good time to visit Brussels?
Yes, September is one of the best months to visit Brussels. The weather is comfortable and conditions are ideal for sightseeing.
How crowded is Brussels in September?
September is peak season in Brussels, so expect larger crowds at popular attractions. Book accommodation and tours in advance.
How much does it cost to visit Brussels in September?
Budget travellers can get by on around EUR 70/day. Mid-range travellers should budget EUR 150/day. Peak season pricing applies, so book early for the best rates.
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