Sea temperature in Lemnos in September
The sea around Lemnos averages 24°C in September, usually between 22°C and 26°C. That is pleasant for swimming, refreshing at first.
Average24°CRefreshing
Usual range22°C–26°C80% of readings
vs August−1.6°cooler
vs October−2.9°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 Lemnos
13 of 13 beaches have an Excellent EU water-quality grade. See which ones are calm today.