How warm is Cayman Islands in September?

Typical highs are about 88°F and the sea is about 88°F. That is warm enough for long swims without a wetsuit.

Is September hurricane season in Cayman Islands?

September falls in the tropical storm season; the typical risk on a given day is high. It peaks in September. Travel insurance and flexible bookings help.

How crowded is Cayman Islands in September?

Typically moderate, around Labor Day weekend and Mexican Independence Day. The quietest months are usually September and October.

Cayman Islands in September

September is one of the weakest months for a beach trip to Cayman Islands: a typical day grades B+, the 10th best of the 12 months. Expect highs near 88°F, water around 88°F and about a 66% chance of rain on a given day. Beaches are typically moderate (Labor Day weekend and Mexican Independence Day). It is hurricane season, with high storm risk.

Typical dayB+10th of 12 months

Highs / water88°FSea 88°F

Rain chance66%on a given day

Waves3.4 fttypical

CrowdsModerateLabor Day weekend

Storm riskHighhurricane season

Cayman Islands month by month

Typical grade and high for each month. Higher is better: A+ to F.

August: B+ · September: B+ · October: B+. The best months are usually January, April and May, and the weakest are July and October.

Best beaches in Cayman Islands in September

Resorts with the best typical September, and their grades for the next few days.

Beach	Typical Sep	This week
Ocean Paradise, Vacation Rental	B+	SatC+SunB-MonA-TueA-WedA
The Ritz-Carlton, Grand Cayman	B+	SatBSunA-MonA-TueA-WedA
Kimpton Seafire Resort + Spa	B+	SatBSunA-MonA-TueA-WedA
The Westin Grand Cayman Seven Mile Beach	B+	SatBSunA-MonA-TueA-WedA
Grand Cayman Marriott Resort	B+	SatBSunA-MonA-TueA-WedA
The Westin Grand Cayman Seven Mile Beach Resort & Spa	B+	SatBSunA-MonA-TueA-WedA
The Sunshine Hotel and Suites	B+	SatB-SunB+MonA-TueA-WedA
Holiday Inn Resort Grand Cayman	B+	SatB-SunB+MonA-TueA-WedA

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Better beach options in September

Elsewhere in the Caribbean, Aruba, Bonaire & Curaçao (A-) usually grades higher in September. Further afield: Maui (A), Oʻahu (A) and Kauaʻi (A). Every destination in September.

Questions

Is September a good time to visit Cayman Islands?: September is one of the weakest months for a beach trip to Cayman Islands: a typical day grades B+, the 10th best of the 12 months. Expect highs near 88°F, water around 88°F and about a 66% chance of rain on a given day. Beaches are typically moderate (Labor Day weekend and Mexican Independence Day). It is hurricane season, with high storm risk.
How warm is Cayman Islands in September?: Typical highs are about 88°F and the sea is about 88°F. That is warm enough for long swims without a wetsuit.
Is September hurricane season in Cayman Islands?: September falls in the tropical storm season; the typical risk on a given day is high. It peaks in September. Travel insurance and flexible bookings help.
How crowded is Cayman Islands in September?: Typically moderate, around Labor Day weekend and Mexican Independence Day. The quietest months are usually September and October.

Plan it

Cayman Islands: this week's forecast, beach by beach
Caribbean Beach Report: this week, updated every Monday
Compare dates and beaches on the map

Typical-month numbers from Veabird's year-ahead outlook for the 23 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.