7-Night Cruise on Island PrincessVoyage of the Glaciers with Glacier Bay (Southbound) - Weather

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.

1. Day 1 — Wednesday, Sep 9, 2026 — Whittier, Alaska

   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.

2. Day 2 — Thursday, Sep 10, 2026 — Hubbard Glacier, Alaska

   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.

3. Day 3 — Friday, Sep 11, 2026 — Glacier Bay, Alaska

   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.

4. Day 4 — Saturday, Sep 12, 2026 — Skagway, Alaska

   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.

5. Day 5 — Sunday, Sep 13, 2026 — Juneau, Alaska

   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.

6. Day 6 — Monday, Sep 14, 2026 — Ketchikan, Alaska

   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.

7. Day 7 — Tuesday, Sep 15, 2026 — At Sea

   Day 7 of 8 is a day at sea aboard Island Princess, cruising between ports on the Voyage of the Glaciers with Glacier Bay (Southbound) itinerary.

8. Day 8 — Wednesday, Sep 16, 2026 — Vancouver, Canada

   Vancouver, Canada is a scheduled port of call on day 8 of the 7-night Voyage of the Glaciers with Glacier Bay (Southbound) cruise on Island Princess.