Crete vs Mykonos in September — Which to Pick?
The numbers, side by side
Every figure below is an average across 11 complete years (2015–2025) of daily Open-Meteo records. Not a forecast — a historical baseline you can plan against.
Crete vs Mykonos in September
| Metric | Crete | Mykonos | Verdict |
|---|---|---|---|
| Average high | 20 °C (68°F) | 26 °C (79°F)Winner | Mykonos is 5.9 °C warmer. |
| Average low | 12 °C (53°F) | 22 °C (72°F)Winner | Nights differ by ~10°C. |
| Rainfall | 44 mm | 8 mmWinner | Mykonos is 36 mm drier. |
| Rainy days | 7 | 1Winner | Mykonos is 6.0 days with fewer rainy days. |
| Sunshine | 11.7 h/day | 11.7 h/day | Effectively even in sunshine. |
Our honest take
In September, Mykonos runs about 6°C warmer on average — a meaningful gap when you're deciding what to pack.
Mykonos sees roughly 36mm less rainfall this month, so your afternoons are more likely to survive intact.
Neither is objectively better: pick Crete for what Crete is famous for; pick Mykonos for what Mykonos does uniquely. The persona cards below break the choice down by traveller type.
Traveller verdict for September
Data-driven picks based on 11-year climate averages (2015–2025). Neither destination is objectively “better” — it depends on what you're after.
Mykonos takes the beach-day advantage — warmer sea air, drier skies, and more useful sun.
Mykonos leans into the after-dark scene — warm evenings and the higher-energy crowd.
Mykonos suits families better this month — gentler temperatures and fewer washouts.
Similar shooting conditions — atmosphere becomes the deciding factor.
Prices track closely — book early either way.
Crete has the edge for wandering food streets — walkable weather and a livelier scene.
Compare hotels in both
Booking.com deep links with September check-in dates pre-filled.
Crete vs Mykonos in September — FAQ
Q01Is Crete warmer than Mykonos in September?
Is Crete warmer than Mykonos in September?
Yes — Mykonos runs about 6°C warmer than Crete in September. Crete averages 20°C highs; Mykonos averages 26°C. Based on 11-year climate averages (2015–2025).
Q02Which is drier — Crete or Mykonos in September?
Which is drier — Crete or Mykonos in September?
Mykonos is drier in September. It averages 8mm of rainfall vs 44mm at Crete. That is a meaningful difference for outdoor plans.
Q03Which is better for outdoor activities in September?
Which is better for outdoor activities in September?
Neither destination pulls ahead on sunshine or dry days in September — both offer similar outdoor windows. Choose by terrain and interest rather than weather.
Q04Which is cheaper to visit in September — Crete or Mykonos?
Which is cheaper to visit in September — Crete or Mykonos?
Both destinations command similar peak pricing when the weather is at its best; visiting either in shoulder or off-season lowers hotel rates by 30–50%.
Q05Which is better for a beach trip in September?
Which is better for a beach trip in September?
Mykonos is the stronger pick for beach days in September — warmer daytime highs, drier weather, and more useful sun per day.