Athens in September
The secret champion: the sea holds 24 to 26 °C after summer, crowds vanish with the school year and prices drop by a third. The south (Crete, Sicily, Calabria) stays swimmable all month.
Athens in September: what does it cost?
The calculator already has this month's dates filled in. It compares flights from your airports, driving and the ferry, and adds the total cost.
The numbers for September
Climate: 8 year averages (Open-Meteo). Flights: cheapest return fare per person found from Prague or Vienna (Aviasales, ~48 h).
How to get there
Flying is fastest: direct routes from Prague and Vienna, and metro line 3 gets you from the airport to the centre in about 45 minutes. A car in the city is a liability and parking a sport. Driving from Central Europe means nearly 2,000 km through the Balkans, or a ferry from Ancona and Bari to Patras and Igoumenitsa. Ferries from Piraeus reach the islands, which makes Athens a natural gateway to the Aegean.
By plane
Nearest airports: ATH. The calculator searches all of them at once, across your whole date window.
Frequently asked
How warm is the sea in Athens in September?
In September the sea is typically around 26 °C and the air averages 29 °C during the day.