Istria 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.
Istria 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
Six to seven hours by car from Prague, no ferry needed. Pula airport has a few seasonal routes, but the car wins on both comfort and price. Getting around the peninsula without one is hard.
By plane
Nearest airports: PUY. The calculator searches all of them at once, across your whole date window.
By car and ferry
The shortest route is Ancona → Zadar: about 7 h at sea, a car from ~80 € one way.
Frequently asked
How warm is the sea in Istria in September?
In September the sea is typically around 24 °C and the air averages 24 °C during the day.
Can you drive to Istria?
Yes, with a ferry: the shortest route is Ancona → Zadar, about 7 h at sea and a car from ~80 € one way.