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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Grand Princess sails a 10-night Baja Peninsula & Sea of Cortez itinerary with Princess Cruises, departing Los Angeles, California on September 25, 2026. 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 Los Angeles, California, Cabo San Lucas, Mexico, Cabo San Lucas, Mexico, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Los Angeles, California is a scheduled port of call on day 1 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 79°F.
Day 2 of 11 is a day at sea aboard Grand Princess, cruising between ports on the Baja Peninsula & Sea of Cortez itinerary.
Cabo San Lucas, Mexico is a scheduled port of call on day 3 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 86°F.
Cabo San Lucas, Mexico is a scheduled port of call on day 4 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 86°F.
La Paz, Mexico is a scheduled port of call on day 5 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 90°F.
Guaymas, Mexico is a scheduled port of call on day 6 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: clear with highs near 89°F.
Day 7 of 11 is a day at sea aboard Grand Princess, cruising between ports on the Baja Peninsula & Sea of Cortez itinerary.
Puerto Vallarta, Mexico is a scheduled port of call on day 8 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 81°F.
Day 9 of 11 is a day at sea aboard Grand Princess, cruising between ports on the Baja Peninsula & Sea of Cortez itinerary.
Day 10 of 11 is a day at sea aboard Grand Princess, cruising between ports on the Baja Peninsula & Sea of Cortez itinerary.
Los Angeles, California is a scheduled port of call on day 11 of the 10-night Baja Peninsula & Sea of Cortez cruise on Grand Princess. Expected weather: partially cloudy with highs near 78°F.
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