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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Seven Seas Mariner sails a 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul itinerary with RSSC Cruises, departing Piraeus, Greece on September 20, 2027. 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, Chania, Crete, Santorini, Greece, with 6 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 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: partially cloudy with highs near 86°F.
Chania, Crete is a scheduled port of call on day 2 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: partially cloudy with highs near 78°F.
Santorini, Greece is a scheduled port of call on day 3 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: clear with highs near 74°F.
Mykonos, Greece is a scheduled port of call on day 4 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: clear with highs near 73°F.
Bodrum, Turkey is a scheduled port of call on day 5 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: clear with highs near 77°F.
Kusadasi, Turkey is a scheduled port of call on day 6 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: clear with highs near 84°F.
Dikili, Turkey is a scheduled port of call on day 7 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: partially cloudy with highs near 81°F.
Bozcaada is a scheduled port of call on day 8 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: partially cloudy with highs near 72°F.
Istanbul, Turkey is a scheduled port of call on day 9 of the 10-night Ultimate Aegean Explorer Athens (Piraeus) To Istanbul cruise on Seven Seas Mariner. Expected weather: partially cloudy with highs near 72°F.
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