4-Night Cruise on Costa SerenaAsia from Sasebo - Weather

Join Costa Cruises's Costa Serena for a 4-night voyage on the Asia from Sasebo route, setting out from Sasebo, Japan on September 3, 2026. It's a classic Asia cruise. Travelers sailing in September can generally expect cooler, off-season conditions. Ports of call include Sasebo, Japan, Shanghai, China, Seogwipo-si, South Korea, with 1 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Thursday, Sep 3, 2026 — Sasebo, Japan

   Sasebo, Japan is a scheduled port of call on day 1 of the 4-night Asia from Sasebo cruise on Costa Serena. Expected weather: partially cloudy with highs near 84°F.

2. Day 2 — Saturday, Sep 5, 2026 — Shanghai, China

   Shanghai, China is a scheduled port of call on day 2 of the 4-night Asia from Sasebo cruise on Costa Serena. Expected weather: partially cloudy with highs near 83°F.

3. Day 3 — Sunday, Sep 6, 2026 — Seogwipo-si, South Korea

   Seogwipo-si, South Korea is a scheduled port of call on day 3 of the 4-night Asia from Sasebo cruise on Costa Serena. Expected weather: partially cloudy with highs near 83°F.

4. Day 4 — Monday, Sep 7, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 4 of the 4-night Asia from Sasebo cruise on Costa Serena. Expected weather: partially cloudy with highs near 75°F.