Historical averages and packing recommendations for your September visit to Grand Cayman.
"Peak hurricane risk"
Grand Cayman is the largest of the Cayman Islands and consistently ranks among the top Caribbean cruise destinations. Seven Mile Beach is one of the finest stretches of sand in the Caribbean — calm, clear, and lined with beach bars. Stingray City, where you can swim with friendly southern stingrays in shallow water, is one of the most memorable shore excursions in the region.
The average high temperature in Grand Cayman during September is 89°F, with a low of 77°F.
Grand Cayman typically sees 13 days of rain in September. Peak hurricane risk
For a September cruise to Grand Cayman, you should pack lightweight, breathable clothing, swimwear, and sun protection.