Mykonos weather in September
“The kind of pleasant weather you build a trip around.”
Roughly 1 rainy days across the month, on average.
September is one of the best months to visit Mykonos. Daytime temperatures average a warm 26°C (79°F), dropping to a pleasant 22.1°C (72°F) at night. Rainfall is minimal at just 9.5mm across only 1.3 days, making it one of the driest months. You'll enjoy an impressive 11.7 hours of sunshine daily, perfect for beach days and exploring the island's whitewashed villages.
September marks the tail end of peak summer tourism, creating a sweet spot for travelers. The island's famous nightlife and beach clubs remain vibrant, but beaches are noticeably less crowded than July and August. Local festivals celebrate the harvest season, and the Aegean Sea remains warm and inviting for swimming. The atmosphere feels more relaxed while still maintaining that energetic Greek island vibe.
For 2026, September is ideal if you want to avoid the intense summer heat and peak crowds while still enjoying guaranteed sunshine and warm weather. Book accommodations early as many travelers seek this shoulder-season window. Pack light clothing and sunscreen, but bring a light wrap for cooler evenings. This month offers excellent value compared to summer rates.
What to pack for Mykonos in September
- •A light layer for cool mornings and evenings
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Mykonos in September
- →Breathable travel pantsAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
- →Anti-theft crossbody bagAmazon · shop this
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Where to stay in Mykonos
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Mykonos across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Beach hopping at Paradise and Super Paradise beaches, sunset viewing in Little Venice, windsurfing at Kalo Livadi, exploring Delos ancient ruins, island-hopping to Rheneia.
September vs. the rest of the year
How this month compares in Mykonos. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Mykonos
While September has its own character in Mykonos, the data-backed best months to visit Mykonos are May, June, July, August. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for MykonosOther places with a similar climate right now
Read more about Mykonos
Ten years of Santorini climate data. Best months for sunsets, calderas, wineries, and honeymoons — plus honest shoulder-season advice.
Santorini vs Mykonos — a data-first comparison. Weather, crowds, romance vs nightlife. Which Greek island is right for your trip?
Mykonos in September — FAQ
Q01Is September a good time to visit Mykonos?
Is September a good time to visit Mykonos?
Yes — this is one of the best months of the year to visit. In September, Mykonos averages a high of 26°C (79°F) and a low of 22°C (72°F), with 9mm of rainfall across roughly 1 rainy days.
Q02What is the average temperature in Mykonos in September?
What is the average temperature in Mykonos in September?
The average high temperature in Mykonos during September is 26°C (79°F), with an average low of 22°C (72°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Mykonos have in September?
How many rainy days does Mykonos have in September?
Mykonos averages approximately 1 rainy days in September, with a total monthly rainfall of about 9mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Mykonos in September?
What should I pack for Mykonos in September?
For Mykonos in September, pack layered clothing for changing temperatures, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Mykonos in September?
How crowded is Mykonos in September?
Tourist crowds in Mykonos during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.