France Marseille Weather in September — Climate Guide
September in Marseille is very-high
Marseille Weather in September — Quick Answer
As of 2026- Avg temp
- 25° / 16°
- Rainfall
- 55mm · 5 days
- Crowds
- Busy
As of 2026, Marseille in September averages a high of 25°C and low of 16°C with 55mm of rain over about 5 days. Pleasant. T-shirt + light jacket evening.
September is very-high for Marseille.
BEST MONTH WITH MAY — ideal weather, sea still warm, reduced crowds, restaurants reopen after August, Calanques quotas end mid-September. Wedding season ends.
Travel score
Marseille September Weather Stats
Avg High
25°C
Avg Low
16°C
Rainy Days
5
55mm total
Sunshine
8h
Daily avg
Humidity
65%
moderate
UV Index
7
High
Wind
9 km/h
Gusts 30
Sea Temp
22°C
swimming
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
25°C
Nighttime
16°C
Humidity and wind affect how the actual temperature feels.
Wind
9 km/h
Max gust 30 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- 25°C ideal
- Sea 22°C still warm
- Reduced crowds
- Restaurants reopen
- Calanques quotas end mid-Sep
- Best balance
Cons
- Some restaurants still closed early Sep
- Variable weather possible
September Events & Festivals
- BEST shoulder month
- European holidays end
- Calanques quotas end mid-Sep
Marseille in September — Full Picture
BEST MONTH WITH MAY — ideal weather, sea still warm, reduced crowds, restaurants reopen after August, Calanques quotas end mid-September. Wedding season ends.
What to Wear & What to Pack
Pleasant. T-shirt + light jacket evening.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.7°C
9°C
5/mo
Summer (Jun·Jul·Aug)
28.7°C
18°C
2.7/mo
Autumn (Sep·Oct·Nov)
Current20.7°C
12°C
6.3/mo
Winter (Dec·Jan·Feb)
12.7°C
4.3°C
5.7/mo
Marseille Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 12° | 4° | 6d·55mm | 5h | 70% | 2 | Quiet | Low season | |
| 13° | 4° | 5d·45mm | 6h | 68% | 3 | Quiet | Low season | |
| 16° | 6° | 5d·45mm | 7h | 65% | 5 | Moderate | Shoulder | |
| 18° | 9° | 6d·50mm | 8h | 65% | 6 | Moderate | Shoulder | |
| May (Best) | 22° | 12° | 4d·35mm | 9h | 65% | 8 | Busy | Shoulder |
| June (Best) | 26° | 16° | 3d·25mm | 10h | 65% | 9 | Busy | Peak |
| July (Best) | 30° | 19° | 2d·12mm | 11h | 60% | 10 | Very busy | Peak |
| August (Best) | 30° | 19° | 3d·25mm | 10h | 65% | 10 | Very busy | Peak |
| September (Best) | 25° | 16° | 5d·55mm | 8h | 65% | 7 | Busy | Shoulder |
| 21° | 12° | 7d·95mm | 7h | 70% | 5 | Moderate | Shoulder | |
| 16° | 8° | 7d·80mm | 5h | 73% | 3 | Quiet | Low season | |
| 13° | 5° | 6d·65mm | 5h | 73% | 2 | Moderate | Shoulder |
View Other Months
Marseille September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Marseille?
Marseille in September is very-high. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Marseille in September?
Marseille September averages a high of 25°C and a low of 16°C.
Does it rain much in Marseille in September?
Marseille September averages 55mm of rainfall over about 5 rainy days.
What should I wear in Marseille in September?
Pleasant. T-shirt + light jacket evening.
What time are sunrise and sunset in Marseille in September?
Marseille September sunrise is 06:40 and sunset is 19:45, with 13h 5min of daylight.
What's the air quality like in Marseille in September?
Marseille September air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Marseille in September?
In September, Marseille is great for Calanques, Cassis harvest, Vieux Port.
Is September peak season in Marseille?
Marseille September crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Marseille
View Other Months
Planning a September trip to Marseille?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.