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Mýkonos City Weather in September
September in Mýkonos City typically sees daytime highs of 25°C (77°F) and nighttime lows of 22°C (72°F). Minimal rainfall is typical for this month. It falls within the summer season.
Rainfall in Mýkonos City in September
Historically, approximately 2 days this month are expected to have rain, averaging 6.5 mm (0.3 in). On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Mýkonos City in September
Mýkonos City in September is worth a visit. The temperature is excellent, with 25°C (77°F) during the day and 22°C (72°F) at night. Summer occurs in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Mýkonos City.
Mýkonos City Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
25°C (77°F)
Chance of Rain
5%
Precipitation
6.5 mm (0.3 in)
Rainy days
2 days
Humidity
71% *
* Data from: Naxos, Greece (38 KM, 24 Miles).
Mýkonos City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mýkonos City - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mýkonos City typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 22°C (72°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Mýkonos City in September
Browse day-by-day weather records for Mýkonos City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mýkonos City historical weather extremes in September
The extremes listed below come from historical weather data collected in Mýkonos City from 1986 through 2026.
- The warmest day in September was on September 5, 2015, with a maximum of 35°C (95°F).
- On September 27, 1997, Mýkonos City saw its coldest September day with temperatures maxing out at 18°C (64°F).
- The lowest overnight temperature recorded in September was 14°C (57°F) (September 29, 1992).
Best Places in Greece in September
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mýkonos City in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home.
What To Do in Mýkonos City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping10/10 -
Outdoor sports10/10
Mýkonos City 3-Day Forecast
More climate data for Mýkonos City
See the full Mýkonos City climate overview or explore weather in Greece.
Popular in September
Where to go in September - average daytime high across popular destinations.
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