September 23 is generally a great time to visit Antwerp. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 19°C weather. Antwerp is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Antwerp
Currency
EUR
€ Euro
Language
German
+2 more
Driving
Right side
Connect
As of July 2022, Antwerp has 5G from all...
Safety
High Safety
GPI: 1.526
Antwerp Weather Forecast for September 23
"Mild & Comfortable. Expect average highs of 18.6°C. 21% chance of rain."
What to Wear in Antwerp in September
Based on historical data for September 23, Antwerp typically experiences temperatures between 11°C and 18.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Antwerp
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.6°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
18.6°C
🌤️ Feels accurate
Rain Chance
21%
Avg 1mm if it rains
Cloud Cover
60%
Overcast
Pressure
1016.7 hPa
Medium volatility
Antwerp Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 36 min to burn
Type III-IV
🟡 54 min to burn
Type V-VI
🟢 90 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.5°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Belgium
Flight Traffic
Busy
64/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~7
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Antwerp
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:30
☀️ Noon
12:36
🌇 Sunset
18:41
⏱️ Daylight
12h 10m
Wind Speed
16.9 km/h
Gentle breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Antwerp
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Antwerp
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Antwerp on September 23 averages 18.6°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Antwerp Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 21
19.4°C • 15% rain
Score
100
September 19
19.5°C • 15% rain
Score
98
September 20
19.5°C • 16% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Antwerp Worth Visiting on September 23?
Planning a trip to Antwerp on September 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.6°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 7 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Belgium, including COVID-19.
📊 Historical Extremes: The hottest September 23 recorded in the last 30 years saw temperatures hit 21.8°C in 2020, while the coldest dropped to 6.9°C in 2017.