Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Seattle, Washington on September 28, 2026, the MSC Cruises ship MSC Poesia runs this 24-night MSC Grand Voyages sailing. It's a classic Mexican Riviera cruise. Travelers sailing in September can generally expect warm, dry, and reliably sunny Pacific-coast weather. Ports of call include Seattle, Washington, Los Angeles, California, San Diego, California, with 9 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Seattle, Washington is a scheduled port of call on day 1 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: partially cloudy with highs near 65°F.
Day 2 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 3 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 4 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Los Angeles, California is a scheduled port of call on day 5 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: partially cloudy with highs near 78°F.
San Diego, California is a scheduled port of call on day 6 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: partially cloudy with highs near 73°F.
Day 7 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 8 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Cabo San Lucas, Mexico is a scheduled port of call on day 9 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: partially cloudy with highs near 86°F.
Day 10 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 11 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 12 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Puntarenas, Costa Rica is a scheduled port of call on day 13 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: overcast with highs near 82°F.
Day 14 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Panama Canal is a scheduled port of call on day 15 of the 24-night MSC Grand Voyages cruise on MSC Poesia. Expected weather: overcast with highs near 83°F.
Colon, Panama is a scheduled port of call on day 16 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Cartagena, Colombia is a scheduled port of call on day 17 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Day 18 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Day 19 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Miami, Florida is a scheduled port of call on day 20 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Day 21 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
George Town, Grand Cayman is a scheduled port of call on day 22 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Ocho Rios, Jamaica is a scheduled port of call on day 23 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Day 24 of 25 is a day at sea aboard MSC Poesia, cruising between ports on the MSC Grand Voyages itinerary.
Miami, Florida is a scheduled port of call on day 25 of the 24-night MSC Grand Voyages cruise on MSC Poesia.
Planning another sailing? Browse our MSC Cruises cruise guide for practical tips and ship ideas.
Already thinking about your next sailing? See what CruiseDirect has.