7-Night Cruise on Costa SerenaEastern Mediterranean from Piraeus | Athens - Weather

Departing Piraeus, Greece on September 1, 2027, the Costa Cruises ship Costa Serena runs this 7-night Eastern Mediterranean from Piraeus | Athens sailing. It's a classic Mediterranean cruise. Travelers sailing in September can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Piraeus, Greece, La Valletta, Malta, Catania, Sicily, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Wednesday, Sep 1, 2027 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 1 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: clear with highs near 91°F.

2. Day 2 — Thursday, Sep 2, 2027 — At Sea

   Day 2 of 8 is a day at sea aboard Costa Serena, cruising between ports on the Eastern Mediterranean from Piraeus | Athens itinerary.

3. Day 3 — Friday, Sep 3, 2027 — La Valletta, Malta

   La Valletta, Malta is a scheduled port of call on day 3 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: clear with highs near 80°F.

4. Day 4 — Saturday, Sep 4, 2027 — Catania, Sicily

   Catania, Sicily is a scheduled port of call on day 4 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: partially cloudy with highs near 83°F.

5. Day 5 — Sunday, Sep 5, 2027 — Taranto, Italy

   Taranto, Italy is a scheduled port of call on day 5 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: partially cloudy with highs near 81°F.

6. Day 6 — Monday, Sep 6, 2027 — Argostoli, Greece

   Argostoli, Greece is a scheduled port of call on day 6 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: clear with highs near 80°F.

7. Day 7 — Tuesday, Sep 7, 2027 — Mykonos, Greece

   Mykonos, Greece is a scheduled port of call on day 7 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: clear with highs near 76°F.

8. Day 8 — Wednesday, Sep 8, 2027 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 8 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Serena. Expected weather: clear with highs near 89°F.