Barcelona 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.
Barcelona 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
Barcelona is one of the cheapest destinations to fly to, with direct routes from Prague and Vienna and competition keeping fares down. Trains and buses run from the airport, the metro covers the city and a car is pure burden. Driving is about 1,800 km, one long day. Ferries from the port reach the Balearics, so a city stay pairs neatly with an island.
By plane
Nearest airports: BCN, GRO. The calculator searches all of them at once, across your whole date window.
Frequently asked
How warm is the sea in Barcelona in September?
In September the sea is typically around 25 °C and the air averages 25 °C during the day.