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Greece · Europe

Santorini in September

Weather, crowds, prices and events for visiting Santorini in September.

Ideal
59
Quick answer

September is one of the best times to visit Santorini. Expect 27° / 20°, the biggest crowds of the year and prices close to the yearly average.

Weather
27°
High 27° · Low 20°
Crowds
High
70/100
Prices
$$
mid-range
Events
1
this month
Santorini, Greece

Weather

Average highs sit around 27°C with lows near 20°C. It is one of the drier months — pack light.

Crowds & demand

Crowd levels are High for Santorini — the biggest crowds of the year.

Prices & value

Prices run mid-range this month: prices close to the yearly average.

Events & what’s on

Look out for Ifestia Festival while you’re there.

  • Ifestia Festival — Fireworks over the caldera re-enact the island's volcanic eruption.
The verdict

September is one of the best times to visit Santorini. Expect 27° / 20°, the biggest crowds of the year and prices close to the yearly average.

Better months for Santorini: October · May · September

Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026

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Frequently asked questions

What is the weather like in Santorini in September?

Average highs sit around 27°C with lows near 20°C. It is one of the drier months — pack light.

Is Santorini crowded in September?

Crowd levels are High for Santorini — the biggest crowds of the year.

Is September expensive in Santorini?

Prices run mid-range this month: prices close to the yearly average. Save 35%.