7-Night Cruise on OosterdamAll Star Irish Cruise - Weather

Join Holland America Line (HAL)'s Oosterdam for a 7-night voyage on the All Star Irish Cruise route, setting out from Barcelona, Spain on September 5, 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 Barcelona, Spain, St Tropez, France, Civitavecchia, Italy, with 3 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Saturday, Sep 5, 2026 — Barcelona, Spain

   Barcelona, Spain is a scheduled port of call on day 1 of the 7-night All Star Irish Cruise cruise on Oosterdam.

2. Day 2 — Sunday, Sep 6, 2026 — St Tropez, France

   St Tropez, France is a scheduled port of call on day 2 of the 7-night All Star Irish Cruise cruise on Oosterdam.

3. Day 3 — Monday, Sep 7, 2026 — At Sea

   Day 3 of 8 is a day at sea aboard Oosterdam, cruising between ports on the All Star Irish Cruise itinerary.

4. Day 4 — Tuesday, Sep 8, 2026 — Civitavecchia, Italy

   Civitavecchia, Italy is a scheduled port of call on day 4 of the 7-night All Star Irish Cruise cruise on Oosterdam.

5. Day 5 — Wednesday, Sep 9, 2026 — Portofino, Italy

   Portofino, Italy is a scheduled port of call on day 5 of the 7-night All Star Irish Cruise cruise on Oosterdam.

6. Day 6 — Thursday, Sep 10, 2026 — Villefranche, France

   Villefranche, France is a scheduled port of call on day 6 of the 7-night All Star Irish Cruise cruise on Oosterdam.

7. Day 7 — Friday, Sep 11, 2026 — At Sea

   Day 7 of 8 is a day at sea aboard Oosterdam, cruising between ports on the All Star Irish Cruise itinerary.

8. Day 8 — Saturday, Sep 12, 2026 — Barcelona, Spain

   Barcelona, Spain is a scheduled port of call on day 8 of the 7-night All Star Irish Cruise cruise on Oosterdam.