September · Belgium
Best time to visit Antwerp in September Weather, crowds & prices
Weather in Antwerp in September
Average temperature 17°C, 98 mm of rain, about 24 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.0/10
Ranked #6 of 12 months
- Avg temp
- 17°C
- Rainfall
- 98 mm
- Humidity
- 79%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Antwerp scores 8.0/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 17°C, 98 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Antwerp centers on a Gothic cathedral, a vast medieval square, and a working port that shaped its fortunes.
September in Antwerp: strong conditions, 6th of 12
Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 98 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 12.6 hours of daylight to work around it.
That is 8/10 on the same scale — 6th of 12 months, versus 9.1/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Antwerp in September?
- In September, Antwerp averages 17°C, 98 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is September a good time to visit Antwerp?
- September earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Antwerp in September?
- Expect about 98 mm of rain in September. Average humidity is 79% and there are about 24 days with 6+ hours of sunshine.
Curated in Antwerp
Tickets & experiences
Things to do in Antwerp
Antwerp, Belgium. Live activities and tours from GetYourGuide, matched to this destination.