Marseille Weather in September
In September, Marseille averages a high of 26°C (78°F) and a low of 16°C (61°F), from 56 years of daily records (1971–2026).
26°C
Average high
78°F
16°C
Average low
61°F
37°C
Record high
98°F · September 5, 2026
8°C
Record low
46°F · September 30, 1974
What September Is Like in Marseille
- September 2026 was the warmest September in 56 years of records, 2.6°C (4.7°F) above the long-run average.
- Marseille's hottest September day on record is a recent one: 37°C (98°F) on September 5, 2026.
- 6 of the 10 warmest Septembers on record in Marseille have come since 2012.
- The coldest September reading, 8°C (46°F) on September 30, 1974, has not been matched in 52 years.
At least 1 mm of rain falls on 13% of September days, and the month averages 62 mm in total.
Warmest: 2026 (30.2°C)Latest: 2026 (30.2°C)10-year averageLong-run average (25.7°C)
Look Up a Day in September
See the weather in Marseille on any September date, year by year.
Source: NOAA GHCN-Daily, Marseille Obs. Palais-Lonchamp (1971–2003); Marseilles-Marignane (2003–2026). Averages cover 1971–2026. How we compute this