West Bay weather in September (Grand Cayman, Cayman Islands)

Looking to travel to West Bay in September? This guide provides all the details you need.

In September, West Bay typically experiences very high temperatures and high rainfall. Throughout the day, temperatures typically settle at around 30°C. But by evening, they drop to around 27°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

West Bay in September usually receives high rainfall, averaging around 153 mm for the month. Rain is expected on roughly 16 days.

In case you lean more towards enjoying temperate temperatures and rain-free days January, February, March, April and December typically offer the most optimal weather. In contrast, October tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized West Bay climate page with graphs.

 

West Bay, monthly averages in September

Min TemperatureMin Temperature 27°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 30°C *  
Chance of RainChance of Rain 53%  
PrecipitationPrecipitation 153 mm  
Rainy daysRainy days 16 days  
HumidityHumidity 79% *  
* Data from: Georgetown, Cayman Islands (9 KM, 5 Miles).

Where to go in Cayman Islands in September

Find out more about the weather in Cayman Islands in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in West Bay in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 30°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in West Bay.

Our site offers climate and forecast data for every country in the world. Are you going to Cayman Islands? On this website you can find historical weather averages for many cities in Cayman Islands. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.