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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Island Princess sails a 7-night Voyage of the Glaciers with Glacier Bay (Southbound) itinerary with Princess Cruises, departing Whittier, Alaska on September 9, 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 Whittier, Alaska, Hubbard Glacier, Alaska, Glacier Bay, Alaska, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Whittier, Alaska is a scheduled port of call on day 1 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: rain, partially cloudy with highs near 55°F.
Hubbard Glacier, Alaska is a scheduled port of call on day 2 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 45°F.
Glacier Bay, Alaska is a scheduled port of call on day 3 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 56°F.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 54°F.
Juneau, Alaska is a scheduled port of call on day 5 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 61°F.
Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 58°F.
Vancouver, Canada is a scheduled port of call on day 7 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess. Expected weather: partially cloudy with highs near 70°F.
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