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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Royal Caribbean Cruises's Voyager Of The Seas for a 7-night voyage on the Alaska Adventure Cruise route, setting out from Seattle, Washington on September 18, 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 Seattle, Washington, Juneau, Alaska, Skagway, Alaska, with 3 more along the way. The forecasts below break the weather down port by port.
Seattle, Washington is a scheduled port of call on day 1 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: partially cloudy with highs near 68°F.
Juneau, Alaska is a scheduled port of call on day 2 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: rain, partially cloudy with highs near 58°F.
Skagway, Alaska is a scheduled port of call on day 3 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: rain, partially cloudy with highs near 51°F.
Sitka, Alaska is a scheduled port of call on day 4 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: partially cloudy with highs near 57°F.
Victoria, British Columbia is a scheduled port of call on day 5 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: partially cloudy with highs near 57°F.
Seattle, Washington is a scheduled port of call on day 6 of the 7-night Alaska Adventure Cruise cruise on Voyager Of The Seas. Expected weather: partially cloudy with highs near 66°F.
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