
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…The Royal Princess sails a 7-night Inside Passage (with Glacier Bay National Park) itinerary with Princess Cruises, departing Seattle, Washington on September 5, 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. Use the day-by-day forecast below to plan what to pack for each stop.
Seattle, Washington is a scheduled port of call on day 1 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Day 2 of 8 is a day at sea aboard Royal Princess, cruising between ports on the Inside Passage (with Glacier Bay National Park) itinerary.
Juneau, Alaska is a scheduled port of call on day 3 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Glacier Bay, Alaska is a scheduled port of call on day 5 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Victoria, British Columbia is a scheduled port of call on day 7 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
Seattle, Washington is a scheduled port of call on day 8 of the 7-night Inside Passage (with Glacier Bay National Park) cruise on Royal Princess.
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