September Weather in Ko Kut, Thailand

Last updated: August 27, 2025

In September, the average temperature in Ko Kut, Thailand hovers around 27°C (81°F), with a comfortable range from a minimum of 25°C (78°F) to a peak of 30°C (86°F). However, be prepared for some rainy days, as precipitation averages 532 mm (20.9 in) over the course of 27 days, and you can expect humidity levels to be quite high at 82%.

September Temperature in Ko Kut

In September in Ko Kut, the average temperature is 27°C (81°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 25°C (78°F). This mild and warm weather makes it an ideal destination for travelers seeking pleasant conditions.

September Weather in Ko Kut: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ko Kut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ko Kut, September typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).

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

September Precipitation in Ko Kut

In Ko Kut in September, the total precipitation amount is 532 mm (20.9 in), occurring over a span of 27 days.

September Precipitation Trends in Ko Kut

The chart displays monthly precipitation patterns in Ko Kut, 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 Ko Kut, September typically receives around 532 mm (20.9 inches) of precipitation spread over approximately 27 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 Ko Kut

In Ko Kut in September humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

September Average Humidity in Ko Kut

This chart illustrates the average monthly humidity levels in Ko Kut, 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 Ko Kut is approximately 82%, 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 Ko Kut

In Ko Kut in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Ko Kut, you can check here.

Maximum UV Index Levels in Ko Kut for September

The chart shows the monthly maximum UV Index (UVI) for Ko Kut 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 Ko Kut typically reaches 14, which falls under the extreme exposure category.

Data source: Ko Kut 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 Ko Kut Compares to Other Months

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

This table compares monthly weather conditions in Ko Kut, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	30 mm (1.2 inches)	68%	extreme
February Weather	27°C (81°F)	26 mm (1.0 inches)	70%	extreme
March Weather	28°C (82°F)	66 mm (2.6 inches)	76%	extreme
April Weather	28°C (83°F)	102 mm (4.0 inches)	79%	extreme
May Weather	28°C (83°F)	298 mm (11.7 inches)	77%	extreme
June Weather	28°C (82°F)	537 mm (21.1 inches)	81%	extreme
July Weather	28°C (82°F)	645 mm (25.4 inches)	83%	extreme
August Weather	27°C (82°F)	661 mm (26.0 inches)	84%	extreme
September Weather	27°C (81°F)	532 mm (20.9 inches)	82%	extreme
October Weather	27°C (82°F)	373 mm (14.7 inches)	80%	extreme
November Weather	28°C (82°F)	68 mm (2.7 inches)	81%	extreme
December Weather	27°C (81°F)	28 mm (1.1 inches)	76%	very high