10-Night Cruise on Star SeekerGrand Japan - Weather

Departing Tokyo, Japan on September 16, 2026, the Windstar Cruises ship Star Seeker runs this 10-night Grand Japan sailing. It's a classic Asia cruise. Travelers sailing in September can generally expect cooler, off-season conditions. Ports of call include Tokyo, Japan, Shimizu, Japan, Shingu, Japan, with 7 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Wednesday, Sep 16, 2026 — Tokyo, Japan

   Tokyo, Japan is a scheduled port of call on day 1 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Thursday, Sep 17, 2026 — Shimizu, Japan

   Shimizu, Japan is a scheduled port of call on day 2 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 78°F.

3. Day 3 — Friday, Sep 18, 2026 — Shingu, Japan

   Shingu, Japan is a scheduled port of call on day 3 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 81°F.

4. Day 4 — Sunday, Sep 20, 2026 — Kagoshima, Japan

   Kagoshima, Japan is a scheduled port of call on day 4 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 84°F.

5. Day 5 — Monday, Sep 21, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 5 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 83°F.

6. Day 6 — Tuesday, Sep 22, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 6 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 73°F.

7. Day 7 — Wednesday, Sep 23, 2026 — Karatsu, Japan

   Karatsu, Japan is a scheduled port of call on day 7 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 82°F.

8. Day 8 — Thursday, Sep 24, 2026 — Hiroshima, Japan

   Hiroshima, Japan is a scheduled port of call on day 8 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 81°F.

9. Day 9 — Friday, Sep 25, 2026 — Takamatsu, Japan

   Takamatsu, Japan is a scheduled port of call on day 9 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 80°F.

10. Day 10 — Saturday, Sep 26, 2026 — Kobe/Osaka, Japan

    Kobe/Osaka, Japan is a scheduled port of call on day 10 of the 10-night Grand Japan cruise on Star Seeker. Expected weather: partially cloudy with highs near 79°F.