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Join Costa Cruises's Costa Diadema for a 9-night voyage on the Ocean Cruises from Copenhagen route, setting out from Copenhagen, Denmark 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 Copenhagen, Denmark, Kristiansand, Norway, Le Havre, France, with 5 more along the way. The forecasts below break the weather down port by port.
Copenhagen, Denmark is a scheduled port of call on day 1 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Kristiansand, Norway is a scheduled port of call on day 2 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Le Havre, France is a scheduled port of call on day 3 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Vigo, Spain is a scheduled port of call on day 4 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Lisbon, Portugal is a scheduled port of call on day 5 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Malaga, Spain is a scheduled port of call on day 6 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Alicante, Spain is a scheduled port of call on day 7 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Barcelona, Spain is a scheduled port of call on day 8 of the 9-night Ocean Cruises from Copenhagen cruise on Costa Diadema.
Looking to book your next cruise? Our affiliate partners offer competitive rates — plus by booking through them you support our free service.