September 20 is generally a great time to visit Marseille. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 23°C weather. Expect a bustling atmosphere in Marseille right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Marseille
Currency
EUR
€ Euro
Language
French
Driving
Right side
Connect
Marseille has 5G from all French carrier...
Safety
High Safety
GPI: 1.895
Marseille Weather Forecast for September 20
"Mild & Comfortable. Expect average highs of 23.3°C. 25% chance of rain."
What to Wear in Marseille in September
Based on historical data for September 20, Marseille typically experiences temperatures between 16.5°C and 23.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Marseille
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.3°C
Daytime Peak
Average Low
16.5°C
Nighttime Low
Feels Like
23.8°C
☀️ Feels accurate
Rain Chance
25%
Avg 1.7mm if it rains
Cloud Cover
44%
Overcast
Pressure
1015.8 hPa
Medium volatility
Marseille Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 27 min to burn
Type III-IV
🟡 41 min to burn
Type V-VI
🟢 68 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in France
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~146
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Marseille
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:24
☀️ Noon
12:33
🌇 Sunset
18:42
⏱️ Daylight
12h 17m
Wind Speed
18.6 km/h
Gentle breeze
Sunshine
9.9 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Marseille
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Marseille
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 excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Marseille on September 20 averages 23.3°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Marseille Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 13
24.6°C • 14% rain
Score
100
September 25
22.1°C • 13% rain
Score
100
September 26
22.1°C • 10% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 20) in other destinations
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Czech Republic
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Rome
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London
United Kingdom
Amsterdam
Netherlands
🌍 Explore the same date in different destinations around the world
📍 Is Marseille Worth Visiting on September 20?
Planning a trip to Marseille on September 20? 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 23.3°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 146 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 22.3°C (swimming pool). Wave conditions are generally fun waves with heights around 0.7m.
📊 Historical Extremes: The hottest September 20 recorded in the last 30 years saw temperatures hit 26.6°C in 2018, while the coldest dropped to 12.4°C in 2017.