Brussels in Autumn — Weather & What to Expect
Autumn in Brussels (September, October, November) averages daytime highs of 15.9°C and lows of 9.2°C, with around 233.2mm of rain across the season (38 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Brussels covers September, October, November.
Autumn in Brussels month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 21.1°C | 12.5°C | 68.9mm | 10 | 10/10 |
| October | 16.0°C | 9.7°C | 97.8mm | 15 | 10/10 |
| November | 10.6°C | 5.5°C | 66.5mm | 13 | 10/10 |
What to pack for Brussels in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
Frequently Asked Questions
Is autumn a good time to visit Brussels?
Autumn in Brussels rates around 10/10 — excellent time to visit. Average highs are 15.9°C with 233.2mm of rain across the season.
How hot is Brussels in autumn?
Daytime highs average 15.9°C (60.6°F) across September, October, November, with nights around 9.2°C.
What months are autumn in Brussels?
Brussels is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Brussels · Brussels annual climate · Brussels in spring · Brussels in summer · Brussels in winter
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Once you know what autumn in Brussels looks like, find out exactly what to pack for Brussels at 247PackingList. For currency, language and country facts, see the Belgium guide at 247CountryInfo.
Autumn in Brussels — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Belgium at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.