Athens, Greece

Athens in September

Greece Updated 2026-07-01

Temperatures ease into the high twenties while ship calls continue — a very good month with manageable daytime pressure.

Is September a good time to visit Athens?

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

Book things to do

Tours and tickets in Athens, from our booking partner.

What’s on in September

  • Autumn cruise peak at Piraeus

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 13° 7°
F 14° 7°
M 17° 9°
A 21° 12°
M 26° 16°
J 31° 21°
J 34° 24°
A 34° 24°
S 29° 20°
O 24° 16°
N 18° 12°
D 15° 9°
Average high Average low Wet days

How September compares

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

Quieter alternatives

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

Attraction guides in Athens

The best day and hour for each monument, and when it is calmest across the year, not only in September.

Frequently asked questions

Is September a good month to visit Athens?

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

How crowded is Athens in September?

Athens sits at roughly 78/100 in September on our crowd scale, which is 15 points above the yearly average. The quietest month is January.

What is the weather like in Athens in September?

Expect highs around 29°C and lows near 20°C in September, with about 3 wet days across the month.

Other months in Athens