Weather in Cayman Islands in September

So you're interested in going to Cayman Islands in September

September is a hot and slightly rainy time for sunbathing in Cayman Islands. September is an excellent month for swimming in Cayman Islands with very warm sea temperatures. Consider visiting Cayman Islands in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Cayman Islands in September

The average maximum temperature in Cayman Islands in September is 32°. The average maximum temperature is 32° in the previous month and 31° in the next month.

The average temperature in Cayman Islands in September is 29°. The average temperature ranges is 29° in the previous month and 28° in the next month.

The average minimum temperature in Cayman Islands in September is 27°. The minimum temperature is 27° in the previous month and 26° in the next month.

Sunshine in Cayman Islands in September

The average day light hours per day in Cayman Islands in September are 12.3 and there are 7.1 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in Cayman Islands in September is typically 12.1 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cayman Islands in September

The average sea water temperature in Cayman Islands in September is 29.6° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Cayman Islands in September

The average total rainfall in Cayman Islands in September is 1.6cm and on average there are 14.4 rainy days in September making it a slightly wet time to visit the beach.

Humidity in Cayman Islands in September

The maximum dew point (an indicator of humidity) in Cayman Islands in September is 27° which is extremely humid and uncomfortable unless you are on a beach. At night you would most likely require airconditioning. The dew point is 27° in the previous month and 26° in the next month.

The average maximum relative humidity in Cayman Islands in September is typically 91.7%. The maximum relative humidity is 89.9% in the previous month and 91% in the next month.

The average relative humidity in Cayman Islands in September is typically 79.2%. The average relative humidity is 77.5% in the previous month and 79.5% in the next month.

Wind Speed in Cayman Islands in September

The average maximum wind speed in Cayman Islands in September is typically 21kmh. The average maximum wind speed is 24kmh in the previous month and 24kmh in the next month.

The average wind speed in Cayman Islands in September is typically 11kmh. The average wind speed is 13kmh in the previous month and 15kmh in the next month.

The average wind direction in Cayman Islands in September is from the East-Southeast.

Monthly Averages

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