Early autumn · Weather & things to do
Mykonos in September
Mykonos edges cooler than August, with highs of 75°F (24°C), lows of 72°F (22°C) and about 0.8 in (20 mm) of rain.
At 95/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 75°F (24°C)
- Avg low
- 72°F (22°C)
- Rain
- 0.8 in (20 mm)
- Humidity
- 77%
- Cloud cover
- 25%
- Daylight
- ~12 h 14 min
- Comfort score
- 95/100 · Great
What September feels like
Highs settle around 75°F (24°C), warm enough for short sleeves.
Even at night it stays warm, around 72°F (22°C).
With 77% average humidity, it feels muggy.
Rain is scarce: about 0.8 in (20 mm) for the whole month.
Sunny spells dominate: cloud cover averages 25%.
It's breezy, with average winds near 12 mph (5.3 m/s) at ground level.
Plan around September
September is one of Mykonos's best months on the climate data.
- Last dry month before the rain picks up: October brings 1.8 in (46 mm).
- Last of the best-scoring months: by October, the score drops to 89/100.
- Comfort holds steady from August (93 → 95/100).
- September sits inside the May – Oct window our Greek Island Hop route recommends.
What to pack for September
- Light, breathable clothes75°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics77% average humidity
- Windproof shellaverage wind 12 mph
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Mykonos in September
September is good outdoor weather here, so these picks lean toward the open air.
Paradise Beach
Sandy beach with all-day beach-club parties in summer.
Why now Our curated notes say it's best Jun–Sep.
Kiki's Tavern
Grill above Agios Sostis beach with no electricity, no reservations and big salads.
Why now September scores 95/100 for comfort, good conditions for being outside.
Niko's Taverna
Classic harbor-area taverna for grilled fish and Greek staples.
Little Venice
Old captains' houses built right over the waves.
Armenistis Lighthouse
1891 lighthouse on the northwest cape with wide views of Tinos.
Why now Highs near 75°F and 0.8 in of monthly rain make this an easy outdoor pick.
Nearby in September
- Naxos in September~24 mi · highs 77°F, 0.7 in rain · 1°C (2°F) warmer by day, about as wet
- Santorini in September~73 mi · highs 76°F, 0.7 in rain · similar daytime temperatures, about as wet
- Athens in September~95 mi · highs 83°F, 1.1 in rain · 5°C (8°F) warmer by day, about as wet
- Selçuk in September~117 mi · highs 92°F, 0.7 in rain · 9°C (17°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Mykonos in September: quick answers
Is September a good time to visit Mykonos?
Yes. On the climate data it's one of the best months, scoring 95/100. Expect highs of 75°F (24°C) and 0.8 in (20 mm) of rain. September is inside the May – Oct window our Greek Island Hop route recommends.
How hot is Mykonos in September?
Average highs are 75°F (24°C) and average lows 72°F (22°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Mykonos in September?
Not much: about 0.8 in (20 mm) of rain falls across September on average, the 4th-driest month of the year. The annual total is about 20.6 in (523 mm).
What should I pack for Mykonos in September?
Bring light, breathable clothes (75°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (77% average humidity), windproof shell (average wind 12 mph) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in September
- Greek Island Hop May – Oct
Planning Mykonos in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.