Antwerp Weather in September
In Antwerp, September brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.
Rainfall in Antwerp in September
Typically around 15 days of rainfall are expected, averaging 64 mm (2.5 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Antwerp in September
September is a perfect month in Antwerp, with 21°C (70°F) during the day and 12°C (54°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Antwerp in September
You can expect a moderate amount of sunlight, with approximately 166 hours. This means a pleasant mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Antwerp.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Antwerp's climate page.
Antwerp Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
51%
Precipitation
64 mm (2.5 in)
Rainy days
15 days
Sunshine
166 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Antwerp typically stay consistent throughout September, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Antwerp in September
Browse day-by-day weather records for Antwerp spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Antwerp historical weather extremes in September
Based on 49 years of weather observations in Antwerp between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 15, 2020, with a maximum of 34°C (93°F).
- The coldest September day was on September 22, 1996, with a maximum of 10°C (50°F).
- Antwerp registered its coldest September night on September 30, 2018, with temperatures dropping to 1°C (34°F).
Best Places in Belgium in September
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Antwerp in September
For Antwerp in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Antwerp in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Antwerp's climate page.
See the full Antwerp climate overview or explore weather in Belgium.
