Average weather for Cayman Islands in September
It's hot in September in Cayman Islands with an average temperature of 32°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 26°C and 28°C.
Start of September
The month of September starts in Cayman Islands with hot temps, averaging around 33°C during the day and nights around 27°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 33°C, with nights around 28°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Cayman Islands is around 33°C, while nighttime temps are about 27°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In September, there is an average of 176 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the East.
Cayman Islands in September |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 27°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
176 mm | 57 mm | |
| Rainy days |
15 days | 9 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Cayman Islands?
Looking for sun? September isn’t a good month to be in Cayman Islands. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 39°C in 2014, Cayman Islands reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 29°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 30°C.
Check out the climate of Cayman Islands for all months and discover the best travel time
The climate in Cayman Islands is based on weather data from George Town. Other spots might have different weather. You can check out all destinations in Cayman Islands to get the full picture of the climate.
Daily Temperature in September in Cayman Islands
This chart shows the average daily high and low temperatures in September for Cayman Islands, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in September in Cayman Islands
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Many sunny days, but also tropical storms and high humidity.... more
Daily Precipitation in September in Cayman Islands
The chart below shows the average daily precipitation in September for Cayman Islands, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 15 days of precipitation in Cayman Islands.
Daily UV index in September in Cayman Islands
This chart shows the average daily UV index in September in Cayman Islands, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Cayman Islands over the years
This chart shows the average temperature in September in Cayman Islands, measured in degrees Celsius, over the past few years.
Total precipitation in September in Cayman Islands over the years
This chart shows the average precipitation in September in Cayman Islands, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Cayman Islands
Click on any day in September to get detailed info about the usual weather on that day in Cayman Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Cayman Islands
The weather in September in Cayman Islands is rated 3 out of 5 stars by 1 visitor. Have you been to Cayman Islands? Share your weather experience to help other visitors.
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Many sunny days, but also tropical storms and high humidity. Heat and humidity are normal if you are prepared. Less suitable for outdoor activities.— This text is automatically translated to English
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Average weather in Cayman Islands by month
Click on a month below to see detailed weather info for Cayman Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Cayman Islands for all months at once
