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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Sun Princess sails a 7-night Mediterranean with Greece & Adriatic itinerary with Princess Cruises, departing Piraeus, Greece on September 12, 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, Bar, Montenegro, with 3 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 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: clear with highs near 88°F.
Santorini, Greece is a scheduled port of call on day 2 of the 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: clear with highs near 76°F.
Bar, Montenegro is a scheduled port of call on day 3 of the 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: partially cloudy with highs near 75°F.
Corfu, Greece is a scheduled port of call on day 4 of the 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: partially cloudy with highs near 76°F.
Messina, Sicily is a scheduled port of call on day 5 of the 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: partially cloudy with highs near 80°F.
Barcelona, Spain is a scheduled port of call on day 6 of the 7-night Mediterranean with Greece & Adriatic cruise on Sun Princess. Expected weather: partially cloudy with highs near 75°F.
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Most PopularSantorini Must-See Highlights Private Tour
From $80
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Budget PickSKIP CABLE CAR® Santorini for Cruise Ships with Boat Transfers
From $57
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Most PopularBest Corfu Beach Tour for Cruise Guests: Paleokastritsa & Glyfada
From $175
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Budget PickCruise-Friendly Corfu: Half Day Tour for First Time Visitors
From $58
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Most PopularMessina Private excursion Taormina and Castelmola
From $175
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Budget PickBest Sicily Taormina and Castelmola Tour from Messina Port
From $73
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Most PopularBarcelona: Sagrada Familia Skip-the-Line Guided Tour and Tickets
From $63
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Budget PickTour Welcome to Barcelona in Eco Tuk Tuk Private with Local Guide
From $23
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Santorini, Greece
Most PopularSantorini Must-See Highlights Private Tour
From $80
Book NowBudget PickSKIP CABLE CAR® Santorini for Cruise Ships with Boat Transfers
From $57
Book NowCorfu, Greece
Most PopularBest Corfu Beach Tour for Cruise Guests: Paleokastritsa & Glyfada
From $175
Book NowBudget PickCruise-Friendly Corfu: Half Day Tour for First Time Visitors
From $58
Book NowMessina, Sicily
Most PopularMessina Private excursion Taormina and Castelmola
From $175
Book NowBudget PickBest Sicily Taormina and Castelmola Tour from Messina Port
From $73
Book NowBarcelona, Spain
Most PopularBarcelona: Sagrada Familia Skip-the-Line Guided Tour and Tickets
From $63
Book NowBudget PickTour Welcome to Barcelona in Eco Tuk Tuk Private with Local Guide
From $23
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.