7-Night Cruise on Diamond PrincessJapan & Korea - Weather

The Diamond Princess sails a 7-night Japan & Korea itinerary with Princess Cruises, departing Yokohama, Japan on September 15, 2026. It's a classic Asia cruise. Travelers sailing in September can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Nagasaki, Japan, Busan, South Korea, with 3 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Tuesday, Sep 15, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 7-night Japan & Korea cruise on Diamond Princess.

2. Day 2 — Wednesday, Sep 16, 2026 — At Sea

   Day 2 of 8 is a day at sea aboard Diamond Princess, cruising between ports on the Japan & Korea itinerary.

3. Day 3 — Thursday, Sep 17, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 3 of the 7-night Japan & Korea cruise on Diamond Princess.

4. Day 4 — Friday, Sep 18, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 4 of the 7-night Japan & Korea cruise on Diamond Princess.

5. Day 5 — Saturday, Sep 19, 2026 — At Sea

   Day 5 of 8 is a day at sea aboard Diamond Princess, cruising between ports on the Japan & Korea itinerary.

6. Day 6 — Sunday, Sep 20, 2026 — Kochi, Japan

   Kochi, Japan is a scheduled port of call on day 6 of the 7-night Japan & Korea cruise on Diamond Princess.

7. Day 7 — Monday, Sep 21, 2026 — Shimizu, Japan

   Shimizu, Japan is a scheduled port of call on day 7 of the 7-night Japan & Korea cruise on Diamond Princess.

8. Day 8 — Tuesday, Sep 22, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 8 of the 7-night Japan & Korea cruise on Diamond Princess.