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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing San Francisco, California on September 20, 2026, the Carnival Cruises ship Carnival Luminosa runs this 18-night Alaska & Japan Transpacific sailing. It's a classic Alaska cruise. Travelers sailing in September can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include San Francisco, California, Ketchikan, Alaska, Icy Strait Point, Alaska, with 6 more along the way. Scroll the daily outlook below to pack smart for every port of call.
San Francisco, California is a scheduled port of call on day 1 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 75°F.
Ketchikan, Alaska is a scheduled port of call on day 2 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: rain, partially cloudy with highs near 56°F.
Icy Strait Point, Alaska is a scheduled port of call on day 3 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 51°F.
Hubbard Glacier, Alaska is a scheduled port of call on day 4 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 41°F.
Otaru, Japan is a scheduled port of call on day 5 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 64°F.
Aomori, Japan is a scheduled port of call on day 6 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 70°F.
Shimizu, Japan is a scheduled port of call on day 7 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 74°F.
Kobe/Osaka, Japan is a scheduled port of call on day 8 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 75°F.
Tokyo, Japan is a scheduled port of call on day 9 of the 18-night Alaska & Japan Transpacific cruise on Carnival Luminosa. Expected weather: partially cloudy with highs near 71°F.
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From $144
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San Francisco, California
Most PopularGolden Gate Bridge Muir Woods Sausalito with Optional Alcatraz
From $119
Book NowBudget PickSan Francisco: Golden Gate Bay Cruise (60 Minutes)
From $35
Book NowKetchikan, Alaska
Most Popular3hr Private Custom Excursion in Ketchikan for up to 14 people
From $680
Book NowBudget Pick2.5 Hour Tour in Ketchikan on the Tongass Trolley
From $85
Book NowOtaru, Japan
Most PopularOtaru Customized Private Tour in 1 Day with Licensed Guide
From $148
Book NowAomori, Japan
Most PopularAomori Customized Private Tour in 1 Day with Licensed Guide
From $144
Book NowTokyo, Japan
Most PopularTokyo Shinjuku Sumo Show & Experience with Photo
From $76
Book NowBudget PickOfficial Street Go-Kart in Shibuya
From $57
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.
