Brussels weather
Our guide to the weather in Brussels during September
Brussels is a vibrant city full of culture and history; September is a great time to visit as the weather is usually mild. We've looked at the most up-to-date weather data for Brussels, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Brussels weather in September.
What's the temperature like in Brussels during September?
The temperature reaches around 20℃ during the daytime in September, falling away to 12℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Brussels during September?
On average, there will be 4 rainy days during the month, amounting to 58.0mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Brussels during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate air temperatures, any breeze will feel cool.
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Brussels Blog posts
From the UK's most popular travel bloggers
What To Eat & Drink in Brussels, Belgium
21st February 2024 by The Rare Welsh Bit
In the heart of Belgium lies the captivating capital city of Brussels, celebrated for its fascinating history, impressive architecture, and mouth-watering cuisine. For travellers who appreciate good food, a visit to Brussels promises a delightful culinary experience....
The best things to do in Brussels with kids
13th February 2024 by Globalmouse Travels
Brussels is a great city for wandering on a family trip. When you’re looking for what to do in Brussels for kids there are plenty of options from activities, parks and great snacks along the way. We have rounded up the top kids activities Brussels has on offer including some rainy day options too. Check out our list of the best things to do with kids in Brussels which adults will love too here....
The Perfect 3 Day Brussels Itinerary | How To See The Best of Brussels in 3 Days
4th December 2023 by Italian Trip Abroad
Visit Brussels in 3 days is possible. The city centre is tiny and walkable, you will enjoy the friendly atmosphere and the architecture magnificent of this European Capital. Brussels is the ideal city for backpackers and on a budget travellers, also the best option for food and Beer lovers....
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