9-Night Cruise on Carnival MiracleAlaska Inside Passage & Glacier - Weather

The Carnival Miracle sails a 9-night Alaska Inside Passage & Glacier itinerary with Carnival Cruises, departing Seattle, Washington on September 17, 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, Sitka, Alaska, with 5 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Thursday, Sep 17, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 1 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: partially cloudy with highs near 69°F.

2. Day 2 — Saturday, Sep 19, 2026 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 2 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: partially cloudy with highs near 56°F.

3. Day 3 — Sunday, Sep 20, 2026 — Sitka, Alaska

   Sitka, Alaska is a scheduled port of call on day 3 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: partially cloudy with highs near 57°F.

4. Day 4 — Monday, Sep 21, 2026 — Skagway, Alaska

   Skagway, Alaska is a scheduled port of call on day 4 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: rain, partially cloudy with highs near 51°F.

5. Day 5 — Tuesday, Sep 22, 2026 — Juneau, Alaska

   Juneau, Alaska is a scheduled port of call on day 5 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: rain, partially cloudy with highs near 57°F.

6. Day 6 — Wednesday, Sep 23, 2026 — Tracy Arm/Endicott Arm, Alaska

   Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 6 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: rain, partially cloudy with highs near 56°F.

7. Day 7 — Friday, Sep 25, 2026 — Victoria, British Columbia

   Victoria, British Columbia is a scheduled port of call on day 7 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: partially cloudy with highs near 57°F.

8. Day 8 — Saturday, Sep 26, 2026 — Seattle, Washington

   Seattle, Washington is a scheduled port of call on day 8 of the 9-night Alaska Inside Passage & Glacier cruise on Carnival Miracle. Expected weather: partially cloudy with highs near 66°F.