September Weather in East End, Cayman Islands

Last updated: August 22, 2025

In September, the average temperature in East End, Cayman Islands hovers around 28°C (83°F), creating a warm and inviting atmosphere. Temperatures can dip to a minimum of 26°C (78°F) and peak at a maximum of 30°C (86°F), ensuring a comfortable range. However, prepare for some rain, with an estimated 100 mm (3.9 in) of precipitation spread over 18 days. The average humidity is around 75%, adding to the tropical feel of the season.

September Temperature in East End

In September in East End, the average temperature is 28°C (83°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 26°C (78°F). This warm and pleasant climate makes East End an ideal destination for travelers looking to enjoy sunny days and outdoor activities.

September Weather in East End: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in East End, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East End, September typically has an average temperature of 28°C (83°F), with highs reaching up to 30°C (86°F) and lows dropping to around 26°C (78°F).

Data source: Temperature data for East End generated using information from the Copernicus Climate Change Service.

September Precipitation in East End

In East End in September, the total precipitation amount is 100 mm (3.9 in) spread over 18 days.

September Precipitation Trends in East End

The chart displays monthly precipitation patterns in East End, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In East End, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in East End

In East End in September humidity is 75%. With an average temperature of 28°C (83°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel particularly heavy, and prompting frequent breaks in the shade to stay comfortable while traveling.

September Average Humidity in East End

This chart illustrates the average monthly humidity levels in East End, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in East End is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in East End

In East End in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in East End.

Maximum UV Index Levels in East End for September

The chart shows the monthly maximum UV Index (UVI) for East End in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in East End typically reaches 12, which falls under the extreme exposure category.

Data source: East End September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in East End Compares to Other Months

Weather in East End varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East End, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in East End, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	38 mm (1.5 inches)	77%	very high
February Weather	26°C (79°F)	25 mm (1.0 inches)	76%	extreme
March Weather	26°C (79°F)	19 mm (0.8 inches)	74%	extreme
April Weather	26°C (80°F)	27 mm (1.1 inches)	75%	extreme
May Weather	27°C (81°F)	128 mm (5.0 inches)	73%	extreme
June Weather	28°C (83°F)	96 mm (3.8 inches)	73%	extreme
July Weather	28°C (83°F)	57 mm (2.2 inches)	75%	extreme
August Weather	29°C (84°F)	108 mm (4.2 inches)	75%	extreme
September Weather	28°C (83°F)	100 mm (3.9 inches)	75%	extreme
October Weather	28°C (82°F)	245 mm (9.6 inches)	75%	extreme
November Weather	27°C (81°F)	173 mm (6.8 inches)	78%	very high
December Weather	26°C (80°F)	43 mm (1.7 inches)	78%	very high