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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Crystal Serenity sails a 4-night Europe & Mediterranean Piraeus Athens To Valletta itinerary with Crystal Cruises, departing Piraeus, Greece on September 15, 2026. 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, Santorini, Greece, Bodrum, Turkey, with 1 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Piraeus, Greece is a scheduled port of call on day 1 of the 4-night Europe & Mediterranean Piraeus Athens To Valletta cruise on Crystal Serenity. Expected weather: clear with highs near 89°F.
Santorini, Greece is a scheduled port of call on day 2 of the 4-night Europe & Mediterranean Piraeus Athens To Valletta cruise on Crystal Serenity. Expected weather: clear with highs near 75°F.
Bodrum, Turkey is a scheduled port of call on day 3 of the 4-night Europe & Mediterranean Piraeus Athens To Valletta cruise on Crystal Serenity. Expected weather: clear with highs near 78°F.
Day 4 of 5 is a day at sea aboard Crystal Serenity, cruising between ports on the Europe & Mediterranean Piraeus Athens To Valletta itinerary.
La Valletta, Malta is a scheduled port of call on day 5 of the 4-night Europe & Mediterranean Piraeus Athens To Valletta cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 78°F.
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