Georgetown weather in September (Cayman Islands)

This month is known as a warm month. The average maximum daytime temperature in Georgetown in September lies at 29.1°C (84.38°F). The average minimum temperature goes down to around 27.3°C (81.14°F) (often the minimum temperature is noted at night).

September is part of the rainy season with an average precipitation of 209mm (8.2 inches). There are generally around 15 rainy days.


Georgetown, monthly averages in September

Show in Fahrenheit
Min Temperature 27 °C  
Max Temperature 29 °C  
Water Temperature 29 °C *  
Chance of Rain 53%  
Precipitation 208mm  
Rainy days 16 days  
Humidity 79% *  

Where to stay in Georgetown

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.

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 / 3.5inches a month).

So what to wear in September? Visitors traveling to Georgetown should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot. With a water temperature of around 29.9°C (85.82°F), 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.

Outdoor sports

Interested in more climate information?

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

Our site offers climate and forecast data for almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.