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Loading Travel Forecast…Join Norwegian Cruise Line (NCL)'s Norwegian Encore for a 7-night voyage on the Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau route, setting out from Seattle, Washington 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 Seattle, Washington, Juneau, Alaska, Skagway, Alaska, with 4 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 Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: partially cloudy with highs near 67°F.
Juneau, Alaska is a scheduled port of call on day 2 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: rain, partially cloudy with highs near 57°F.
Skagway, Alaska is a scheduled port of call on day 3 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: rain, partially cloudy with highs near 50°F.
Glacier Bay, Alaska is a scheduled port of call on day 4 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: rain, partially cloudy with highs near 53°F.
Ketchikan, Alaska is a scheduled port of call on day 5 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: rain, partially cloudy with highs near 55°F.
Victoria, British Columbia is a scheduled port of call on day 6 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: partially cloudy with highs near 57°F.
Seattle, Washington is a scheduled port of call on day 7 of the 7-night Alaska Round-Trip Seattle: Glacier Bay, Skagway & Juneau cruise on Norwegian Encore. Expected weather: partially cloudy with highs near 65°F.
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