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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Civitavecchia, Italy on September 21, 2026, the Celebrity Cruises ship Celebrity Constellation runs this 11-night Best of Italy & Croatia 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 Civitavecchia, Italy, Livorno, Italy, Livorno, Italy, with 7 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Civitavecchia, Italy is a scheduled port of call on day 1 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 73°F.
Livorno, Italy is a scheduled port of call on day 2 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 73°F.
Livorno, Italy is a scheduled port of call on day 3 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 73°F.
Day 4 of 12 is a day at sea aboard Celebrity Constellation, cruising between ports on the Best of Italy & Croatia itinerary.
Salerno, Italy is a scheduled port of call on day 5 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 78°F.
Messina, Sicily is a scheduled port of call on day 6 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 77°F.
Day 7 of 12 is a day at sea aboard Celebrity Constellation, cruising between ports on the Best of Italy & Croatia itinerary.
Dubrovnik, Croatia is a scheduled port of call on day 8 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 74°F.
Bar, Montenegro is a scheduled port of call on day 9 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 73°F.
Split, Croatia is a scheduled port of call on day 10 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 73°F.
Zadar, Croatia is a scheduled port of call on day 11 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 69°F.
Ravenna, Italy is a scheduled port of call on day 12 of the 11-night Best of Italy & Croatia cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 72°F.
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