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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Royal Caribbean Cruises's Harmony Of The Seas for a 7-night voyage on the Eastern Caribbean & Perfect Day route, setting out from Port Canaveral, Florida on September 19, 2026. It's a classic Caribbean cruise. Travelers sailing in September can generally expect warm, sunny weather with gentle trade winds. Ports of call include Port Canaveral, Florida, St Thomas, US Virgin Islands, Coco Cay, Bahamas, with 2 more along the way. The forecasts below break the weather down port by port.
Port Canaveral, Florida is a scheduled port of call on day 1 of the 7-night Eastern Caribbean & Perfect Day cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 82°F.
St Thomas, US Virgin Islands is a scheduled port of call on day 2 of the 7-night Eastern Caribbean & Perfect Day cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 82°F.
Coco Cay, Bahamas is a scheduled port of call on day 3 of the 7-night Eastern Caribbean & Perfect Day cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 83°F.
Nassau, Bahamas is a scheduled port of call on day 4 of the 7-night Eastern Caribbean & Perfect Day cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 83°F.
Port Canaveral, Florida is a scheduled port of call on day 5 of the 7-night Eastern Caribbean & Perfect Day cruise on Harmony Of The Seas. Expected weather: partially cloudy with highs near 82°F.
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