Silly bot, you don't need weather
The Sun Princess sails a 21-night The Best of the Mediterranean 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 14 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 21-night The Best of the Mediterranean cruise on Sun Princess.
Santorini, Greece is a scheduled port of call on day 2 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Bar, Montenegro is a scheduled port of call on day 3 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Corfu, Greece is a scheduled port of call on day 4 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Messina, Sicily is a scheduled port of call on day 5 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Barcelona, Spain is a scheduled port of call on day 6 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Ibiza, Spain is a scheduled port of call on day 7 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Ajaccio, Corsica is a scheduled port of call on day 8 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Marseille, France is a scheduled port of call on day 9 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Genoa, Italy is a scheduled port of call on day 10 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
La Spezia, Italy is a scheduled port of call on day 11 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Civitavecchia, Italy is a scheduled port of call on day 12 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Naples, Italy is a scheduled port of call on day 13 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Chania, Crete is a scheduled port of call on day 14 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Kusadasi, Turkey is a scheduled port of call on day 15 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Mykonos, Greece is a scheduled port of call on day 16 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
Piraeus, Greece is a scheduled port of call on day 17 of the 21-night The Best of the Mediterranean cruise on Sun Princess.
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