Sea temperature in Lesbos in September
The sea around Lesbos averages 24°C in September, usually between 21°C and 25°C. That is pleasant for swimming, refreshing at first.
Average24°CRefreshing
Usual range21°C–25°C80% of readings
vs August−1.1°cooler
vs October−2.2°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–September.
September in recent years
| 2023 | 23°C |
|---|---|
| 2024 | 25°C |
| 2025 | 23°C |
Nearby in September
Beaches in Lesbos
45 of 46 beaches have an Excellent EU water-quality grade. See which ones are calm today.