Mykonos weather in September
September is one of the best months to visit Mykonos: highs of 24°C (75°F) and about 20 mm (0.8 in) of rain on average. Nights average 22°C (72°F) and cloud cover 25% (NASA POWER, 2001–2025 averages). The sea averages 25°C (77°F). It is the 4th driest month of the year and the 3rd warmest. Compared with August, it is cooler and wetter; October brings highs of 21°C (70°F) and 46 mm (1.8 in) of rain.
Is September a good time to visit Mykonos?
best month Weather score 92/100.
Yes. September is one of the best months for weather in Mykonos.
Does it rain a lot in Mykonos in September?
No, it is usually dry: about 20 mm (0.8 in) falls in an average September. It is the 4th driest month of the year.
How warm is Mykonos in September?
Days average 24°C (75°F) and nights 22°C (72°F).
Mykonos weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 14°C (57°F) | 12°C (54°F) | 100 mm | 71% | 17°C (62°F) | least pleasant |
| February | 14°C (57°F) | 12°C (54°F) | 84 mm | 68% | 16°C (61°F) | least pleasant |
| March | 15°C (59°F) | 13°C (56°F) | 48 mm | 59% | 16°C (61°F) | fair |
| April | 17°C (62°F) | 15°C (59°F) | 29 mm | 53% | 17°C (63°F) | fair |
| May | 20°C (67°F) | 18°C (65°F) | 21 mm | 41% | 19°C (66°F) | best |
| June | 23°C (74°F) | 22°C (71°F) | 9 mm | 21% | 22°C (72°F) | best |
| July | 25°C (77°F) | 24°C (74°F) | 3 mm | 10% | 24°C (76°F) | best |
| August | 25°C (78°F) | 24°C (75°F) | 2 mm | 10% | 26°C (78°F) | best |
| September | 24°C (75°F) | 22°C (72°F) | 20 mm | 25% | 25°C (77°F) | best |
| October | 21°C (70°F) | 20°C (67°F) | 46 mm | 46% | 22°C (72°F) | fair |
| November | 18°C (65°F) | 17°C (62°F) | 68 mm | 64% | 19°C (67°F) | fair |
| December | 15°C (60°F) | 14°C (56°F) | 93 mm | 73% | 18°C (64°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months