Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Royal Caribbean Cruises's Serenade Of The Seas for a 7-night voyage on the Alaska Inside Passage Cruise route, setting out from Vancouver, Canada on September 20, 2026. 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 Vancouver, Canada, Sitka, Alaska, Juneau, Alaska, with 3 more along the way. The forecasts below break the weather down port by port.
Vancouver, Canada is a scheduled port of call on day 1 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: partially cloudy with highs near 68°F.
Sitka, Alaska is a scheduled port of call on day 2 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: partially cloudy with highs near 57°F.
Juneau, Alaska is a scheduled port of call on day 3 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: rain, partially cloudy with highs near 57°F.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: rain, partially cloudy with highs near 49°F.
Ketchikan, Alaska is a scheduled port of call on day 5 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: rain, partially cloudy with highs near 55°F.
Vancouver, Canada is a scheduled port of call on day 6 of the 7-night Alaska Inside Passage Cruise cruise on Serenade Of The Seas. Expected weather: partially cloudy with highs near 65°F.
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Most PopularVancouver Half-Day Whale Watching Adventure with Free Photos
From $187
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Budget PickFlyover Vancouver: The Immersive Theater Experience
From $24
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Most PopularSitka Sightseeing Tour including Fortress of the Bear and Totem Poles
From $100
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Most PopularJuneau Wildlife Whale Watching
From $151
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Budget PickJuneau Wildlife Whale Watching & Mendenhall Glacier
From $249
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Most PopularSkagway Shore Excursion: Yukon Discovery Tour
From $185
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Budget PickWhite Pass Deluxe Tour from Skagway
From $70
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Most Popular3hr Private Custom Excursion in Ketchikan for up to 14 people
From $680
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Budget Pick2.5 Hour Tour in Ketchikan on the Tongass Trolley
From $85
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Most PopularVancouver Panorama Scenic Seaplane Tour
From $137
Book NowBudget PickFlyover Vancouver: The Immersive Theater Experience
From $24
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.
Vancouver, Canada
Most PopularVancouver Half-Day Whale Watching Adventure with Free Photos
From $187
Book NowBudget PickFlyover Vancouver: The Immersive Theater Experience
From $24
Book NowSitka, Alaska
Most PopularSitka Sightseeing Tour including Fortress of the Bear and Totem Poles
From $100
Book NowJuneau, Alaska
Most PopularJuneau Wildlife Whale Watching
From $151
Book NowBudget PickJuneau Wildlife Whale Watching & Mendenhall Glacier
From $249
Book NowSkagway, Alaska
Most PopularSkagway Shore Excursion: Yukon Discovery Tour
From $185
Book NowBudget PickWhite Pass Deluxe Tour from Skagway
From $70
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 NowBefore you disembark Vancouver, Canada
Short on time — quick options that fit before you head out.
Most PopularVancouver Panorama Scenic Seaplane Tour
From $137
Book NowBudget PickFlyover Vancouver: The Immersive Theater Experience
From $24
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.
