Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Norwegian Viva sails a 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence itinerary with Norwegian Cruise Line (NCL), departing Civitavecchia, Italy on September 16, 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 Civitavecchia, Italy, Livorno, Italy, Salerno, Italy, with 6 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Civitavecchia, Italy is a scheduled port of call on day 1 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 74°F.
Livorno, Italy is a scheduled port of call on day 2 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 74°F.
Salerno, Italy is a scheduled port of call on day 3 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 80°F.
Catania, Sicily is a scheduled port of call on day 4 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 80°F.
Iraklion, Greece is a scheduled port of call on day 5 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: clear with highs near 84°F.
Mykonos, Greece is a scheduled port of call on day 6 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: clear with highs near 73°F.
Piraeus, Greece is a scheduled port of call on day 7 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 84°F.
Kusadasi, Turkey is a scheduled port of call on day 8 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: clear with highs near 84°F.
Istanbul, Turkey is a scheduled port of call on day 9 of the 10-night Mediterranean from Rome to Istanbul: Mykonos, Athens & Florence cruise on Norwegian Viva. Expected weather: partially cloudy with highs near 73°F.
Compare rates and find your next sailing.