Cayman Islands weather in September

Many people wonder what kind of weather they can expect in September in Cayman Islands. Is this month a good time to go to Cayman Islands? To answer that question we created this page with all the information you need.

What is the weather like in Cayman Islands in September?

The weather conditions in Cayman Islands in September are generally poor.

You can expect very warm maximum average daytime temperatures of around 32°C (89°F) and nighttime temperatures around 26°C (78°F) in Georgetown. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

September is a very rainy month with an average rainfall of around 222mm (8.7inch) in Georgetown. It is the wettest month of the year in Georgetown.

Where to go in Cayman Islands in September

Find the average weather conditions in September for the most popular destinations in Cayman Islands on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Cayman Islands

What is the weather like in September for the most popular destinonation in Cayman Islands?

Average weather in Georgetown

In September Georgetown generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
32°C / 90°F 
26°C / 78°F 
151mm / 5.9inch 
7 days 
32°C / 89°F 
26°C / 78°F 
222mm / 8.7inch 
20 days 
October   >> October
31°C / 88°F 
25°C / 77°F 
221mm / 8.7inch 
11 days 
Climate in Georgetown

Is your destination not in the list? Have a look at other destinations in Cayman Islands.

Is September the best time to go to Cayman Islands?

In our opinion September is not the best time to visit Cayman Islands with commonly poor weather in Georgetown.

On average the best time to visit Cayman Islands is in January, February, March and December with generally perfect weather in Georgetown. The worst months are September and October that can have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Cayman Islands. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Cayman Islands? Get detailed historical weather averages for many cities in Cayman Islands.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.