10-Night Cruise on Carnival LuminosaAlaska Inside Passage & Glacier - Weather

The Carnival Luminosa sails a 10-night Alaska Inside Passage & Glacier itinerary with Carnival Cruises, departing San Francisco, California on September 10, 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 San Francisco, California, 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.

1. Day 1 — Thursday, Sep 10, 2026 — San Francisco, California

   San Francisco, California is a scheduled port of call on day 1 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

2. Day 2 — Friday, Sep 11, 2026 — At Sea

   Day 2 of 11 is a day at sea aboard Carnival Luminosa, cruising between ports on the Alaska Inside Passage & Glacier itinerary.

3. Day 3 — Saturday, Sep 12, 2026 — At Sea

   Day 3 of 11 is a day at sea aboard Carnival Luminosa, cruising between ports on the Alaska Inside Passage & Glacier itinerary.

4. Day 4 — Sunday, Sep 13, 2026 — Juneau, Alaska

   Juneau, Alaska is a scheduled port of call on day 4 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

5. Day 5 — Monday, Sep 14, 2026 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 5 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

6. Day 6 — Tuesday, Sep 15, 2026 — Tracy Arm/Endicott Arm, Alaska

   Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 6 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

7. Day 7 — Wednesday, Sep 16, 2026 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 7 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

8. Day 8 — Thursday, Sep 17, 2026 — Prince Rupert, British Columbia

   Prince Rupert, British Columbia is a scheduled port of call on day 8 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.

9. Day 9 — Friday, Sep 18, 2026 — At Sea

   Day 9 of 11 is a day at sea aboard Carnival Luminosa, cruising between ports on the Alaska Inside Passage & Glacier itinerary.

10. Day 10 — Saturday, Sep 19, 2026 — At Sea

    Day 10 of 11 is a day at sea aboard Carnival Luminosa, cruising between ports on the Alaska Inside Passage & Glacier itinerary.

11. Day 11 — Sunday, Sep 20, 2026 — San Francisco, California

    San Francisco, California is a scheduled port of call on day 11 of the 10-night Alaska Inside Passage & Glacier cruise on Carnival Luminosa.