Athens vs Santorini in September

Santorini is the better pick in September — 94 vs 86 on SeasonMap's comfort score. Santorini is warm, dry, while Athens is hot, dry, clean air.

Athens vs Santorini — September climate, side by side

🇬🇷 Athens🇬🇷 Santorini
Comfort score86/100 (A)94/100 (S)
Feels-like high30°C28°C
Avg high / low30° / 20°27° / 22°
Rainfall16 mm2 mm
Rainy days21
Humidity60%72%
Air quality (AQI)4952

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Athens vs Santorini in September — FAQ

Is September better in Athens or Santorini?
Santorini is the better pick in September — 94 vs 86 on SeasonMap's comfort score. Santorini is warm, dry, while Athens is hot, dry, clean air.
What is the weather like in Athens vs Santorini in September?
In September, Athens averages 30°C high / 20°C low with about 16 mm of rain; Santorini averages 27°C high / 22°C low with about 2 mm.