Star Princess — 7-Night Inside Passage (Roundtrip Seattle) Cruise Weather

The Star Princess sails a 7-night Inside Passage (Roundtrip Seattle) itinerary with Princess Cruises, departing Seattle, Washington on September 13, 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, Ketchikan, Alaska, Tracy Arm/Endicott Arm, Alaska, with 3 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Sunday, Sep 13, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 1 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.

2. Day 2 — Tuesday, Sep 15, 2026 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 2 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.

3. Day 3 — Wednesday, Sep 16, 2026 — Tracy Arm/Endicott Arm, Alaska

   Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 3 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.

4. Day 4 — Thursday, Sep 17, 2026 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.

5. Day 5 — Saturday, Sep 19, 2026 — Victoria, British Columbia

   Victoria, British Columbia is a scheduled port of call on day 5 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.

6. Day 6 — Sunday, Sep 20, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 6 of the 7-night Inside Passage (Roundtrip Seattle) cruise on Star Princess.