Greece Mykonos Weather in September (Shoulder Best #2 / Meltemi Calms) — Climate Guide
September (Shoulder Best #2 / Meltemi Calms) in Mykonos is Excellent
Mykonos Weather in September (Shoulder Best #2 / Meltemi Calms) — Quick Answer
As of 2026- Avg temp
- 27° / 20°
- Rainfall
- 15mm · 2 days
- Crowds
- Busy
As of 2026, Mykonos in September (Shoulder Best #2 / Meltemi Calms) averages a high of 27°C and low of 20°C with 15mm of rain over about 2 days. Warm Mediterranean late summer. T-shirt + shorts + swimwear daytime. Light evening cover. Sunscreen SPF 50 + sunglasses (UV 8).
September (Shoulder Best #2 / Meltemi Calms) is Excellent for Mykonos.
Shoulder season best #2 — the absolute sweet-spot month alongside May (some argue September is even better). Climate is ideal (27°C/20°F day + sea 24°C still warmest of year from August thermal lag) with Meltemi calming dramatically + all venues fully operational + 30% cheaper than August + 20-30% less crowded. Cavo Paradiso closing parties late September are canonical (David Guetta finale is a Mykonos event). European school year restart drops family tourists, leaving more honeymoon couples + LGBT + DJ-focused travelers. For first-time Mykonos visitors who can only pick one month, September is the strongest recommendation.
Travel score
Shoulder best #2 — sea warmest + Meltemi calms + 30% cheaper than August
September (Shoulder Best #2 / Meltemi Calms) Weather at a Glance
September averages 27°C / 80°F highs and 20°C / 68°F lows with 2 rainy days and 15mm rainfall. Mediterranean late summer with Meltemi calming to 22 km/h. Sunrise 7:05 AM, sunset 7:35 PM — 12h 30m daylight (shortening). Sea 24°C warmest of year (August thermal lag).
September (Shoulder Best #2 / Meltemi Calms) Travel Advice
Strongest month for first-time Mykonos visitors. Book hotels 2-3 months ahead (popular shoulder, but less than May). Cavo Paradiso closing parties late September are canonical season finale (book DJ nights 2-3 weeks ahead). Sea 24°C still warmest — packed beach club days. Pair with Santorini for the canonical Greek island honeymoon combo at 30% August discount.
Flying In from Overseas
Honeymoon couples + LGBT + DJ-focused travelers peak. European school year restart drops family tourists. American Labor Day weekend (early September) brings small US wave. British + German + French shoulder vacationers. Korean Chuseok holidays (varies September/October) brings Korean wave.
September (Shoulder Best #2 / Meltemi Calms) Pricing Trends
Shoulder pricing (30% cheaper than August): 5-star EUR 600-1,400, boutique EUR 400-800, 4-star EUR 250-550. Cavo Tagoo EUR 900-1,800, Bill & Coo EUR 1,000-1,800. Caprice dinner EUR 60-150, Nammos sunbed EUR 200-400 + EUR 500-1,000 minimum spend. Cavo Paradiso closing parties EUR 70-120.
Mykonos September (Shoulder Best #2 / Meltemi Calms) Weather Stats
Avg High
27°C
Avg Low
20°C
Rainy Days
2
15mm total
Sunshine
11h
Daily avg
Humidity
65%
Comfortable
UV Index
8
Very high
Wind
22 km/h
Gusts 45
Sea Temp
24°C
Warm 24°C ideal
Crowds
Busy
At attractions
September (Shoulder Best #2 / Meltemi Calms) Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
25 μg/m³
Status
Good
Feels-Like Temperature & Wind
Feels like
Daytime
28°C
Nighttime
20°C
Humidity and wind affect how the actual temperature feels.
Wind
22 km/h
Max gust 45 km/h
Activities Recommended for September (Shoulder Best #2 / Meltemi Calms)
September (Shoulder Best #2 / Meltemi Calms) Travel Pros & Cons
Pros
- Climate ideal 27/20°C (matches June)
- Sea 24°C warmest of year (thermal lag from August)
- Meltemi calms dramatically (back to 22 km/h)
- 30% cheaper than August
- 20-30% less crowded than peak
- All venues fully operational
- Cavo Paradiso closing parties canonical
Cons
- Late Sept some smaller venues winding down
- Brief rain showers possible (15mm + 2 days)
- Greek school year restart (no real impact)
September (Shoulder Best #2 / Meltemi Calms) Events & Festivals
- Shoulder best #2 — climate ideal + Meltemi calms + sea warmest of year
- Cavo Paradiso closing parties late September (David Guetta finale canonical)
- Bill & Coo + Cavo Tagoo full season + 30% cheaper than August
- European school year restart (family tourists drop off)
Mykonos in September (Shoulder Best #2 / Meltemi Calms) — Full Picture
Shoulder season best #2 — the absolute sweet-spot month alongside May (some argue September is even better). Climate is ideal (27°C/20°F day + sea 24°C still warmest of year from August thermal lag) with Meltemi calming dramatically + all venues fully operational + 30% cheaper than August + 20-30% less crowded. Cavo Paradiso closing parties late September are canonical (David Guetta finale is a Mykonos event). European school year restart drops family tourists, leaving more honeymoon couples + LGBT + DJ-focused travelers. For first-time Mykonos visitors who can only pick one month, September is the strongest recommendation.
What to Wear & What to Pack
Warm Mediterranean late summer. T-shirt + shorts + swimwear daytime. Light evening cover. Sunscreen SPF 50 + sunglasses (UV 8).
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
19.3°C
12.7°C
5.3/mo
Summer (Jun·Jul·Aug)
28.7°C
21°C
0.3/mo
Autumn (Sep·Oct·Nov)
Current23°C
17°C
5.7/mo
Winter (Dec·Jan·Feb)
14.7°C
9.7°C
10.7/mo
Mykonos Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 9° | 11d·80mm | 4h | 73% | 2 | Quiet | Low season | |
| 14° | 9° | 9d·65mm | 5h | 72% | 3 | Quiet | Low season | |
| 16° | 10° | 8d·55mm | 6h | 71% | 4 | Quiet | Low season | |
| 19° | 12° | 5d·30mm | 8h | 70% | 6 | Moderate | Shoulder | |
| 23° | 16° | 3d·15mm | 10h | 67% | 8 | Moderate | Shoulder | |
| 27° | 19° | 1d·5mm | 12h | 63% | 10 | Busy | Peak | |
| 29° | 22° | 0d·1mm | 13h | 60% | 11 | Very busy | Peak | |
| 30° | 22° | 0d·1mm | 12h | 61% | 10 | Very busy | Peak | |
| 27° | 20° | 2d·15mm | 11h | 65% | 8 | Busy | Peak | |
| 23° | 17° | 6d·50mm | 8h | 70% | 6 | Moderate | Shoulder | |
| 19° | 14° | 9d·75mm | 5h | 72% | 4 | Quiet | Low season | |
| 16° | 11° | 12d·95mm | 4h | 74% | 2 | Quiet | Low season |
View Other Months
Mykonos September (Shoulder Best #2 / Meltemi Calms) Hotel Picks
Frequently Asked Questions
Is September (Shoulder Best #2 / Meltemi Calms) a good time to visit Mykonos?
Mykonos in September (Shoulder Best #2 / Meltemi Calms) is Excellent. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
Mykonos September (Shoulder Best #2 / Meltemi Calms) averages a high of 27°C and a low of 20°C.
Does it rain much in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
Mykonos September (Shoulder Best #2 / Meltemi Calms) averages 15mm of rainfall over about 2 rainy days.
What should I wear in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
Warm Mediterranean late summer. T-shirt + shorts + swimwear daytime. Light evening cover. Sunscreen SPF 50 + sunglasses (UV 8).
What time are sunrise and sunset in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
Mykonos September (Shoulder Best #2 / Meltemi Calms) sunrise is 07:05 and sunset is 19:35, with 12h 30m of daylight.
What's the air quality like in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
Mykonos September (Shoulder Best #2 / Meltemi Calms) air quality (AQI) averages 40, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Mykonos in September (Shoulder Best #2 / Meltemi Calms)?
In September (Shoulder Best #2 / Meltemi Calms), Mykonos is great for Beach clubs full operation (sea warmest), Cavo Paradiso closing parties late Sept, Delos UNESCO comfortable (Meltemi calms).
Is September (Shoulder Best #2 / Meltemi Calms) peak season in Mykonos?
Mykonos September (Shoulder Best #2 / Meltemi Calms) crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Mykonos
View Other Months
Planning a September (Shoulder Best #2 / Meltemi Calms) trip to Mykonos?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.