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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Diamond Princess sails a 10-night Circle Japan itinerary with Princess Cruises, departing Yokohama, Japan on September 5, 2026. It's a classic Asia cruise. Travelers sailing in September can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Hakodate, Japan, Niigata, Japan, with 6 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Yokohama, Japan is a scheduled port of call on day 1 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 83°F.
Hakodate, Japan is a scheduled port of call on day 2 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.
Niigata, Japan is a scheduled port of call on day 3 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 81°F.
Busan, South Korea is a scheduled port of call on day 4 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 75°F.
Nagasaki, Japan is a scheduled port of call on day 5 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.
Kagoshima, Japan is a scheduled port of call on day 6 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.
Kochi, Japan is a scheduled port of call on day 7 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 82°F.
Shimizu, Japan is a scheduled port of call on day 8 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 79°F.
Yokohama, Japan is a scheduled port of call on day 9 of the 10-night Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 81°F.
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