Santorini, Greece

Santorini in September

Greece Updated 2026-07-01

Numbers fall away after the first ten days while the sea stays at its warmest — the strongest month on the calendar if you can travel late.

Is September a good time to visit Santorini?

September is a middling month in Santorini — crowds around 78/100. Not the worst, but January is noticeably calmer.

What’s on in September

  • Autumn cruise peak

Best days in September

Weekdays are almost always calmer than weekends.

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tue is normally the calmest day of the week.

Best hours in September

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

The 9:00 AM window is usually the calmest of the day.

Weather in September

Typical highs, lows and wet days.

J 14°
F 14°
M 16° 10°
A 19° 12°
M 23° 16°
J 27° 20°
J 29° 22°
A 29° 23°
S 26° 20°
O 22° 17°
N 19° 14°
D 16° 11°
Average high Average low Wet days

How September compares

Every month in Santorini, ranked by how calm it is.

Quieter alternatives

If your dates are flexible, these months are calmer in Santorini.

Book things to do

Tours and tickets in Santorini, from our booking partner.

Affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes a crowd score or the order of our recommendations.

Frequently asked questions

Is September a good month to visit Santorini?

September is a middling month in Santorini — crowds around 78/100. Not the worst, but January is noticeably calmer.

How crowded is Santorini in September?

Santorini sits at roughly 78/100 in September on our crowd scale, which is 26 points above the yearly average. The quietest month is January.

What is the weather like in Santorini in September?

Expect highs around 26°C and lows near 20°C in September, with about 2 wet days across the month.

Other months in Santorini