September Weather in Ko Kha, Thailand

Last updated: August 27, 2025

In September, the average temperature in Ko Kha, Thailand is a warm 28°C (82°F), with minimums dropping to 23°C (73°F) and soaring to a maximum of 35°C (96°F). Expect a good amount of rain, with 217 mm (8.5 in) falling over 23 days. The atmosphere is quite humid, with an average humidity level of 83%, making it feel even warmer.

September Temperature in Ko Kha

In September in Ko Kha, the average temperature is 28°C (82°F), with maximums reaching 35°C (96°F) and minimums dropping to 23°C (73°F). This pleasant weather makes it an ideal time for travelers seeking warm and enjoyable conditions.

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

The chart illustrates September temperature patterns in Ko Kha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ko Kha, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (96°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Ko Kha

In Ko Kha in September, the precipitation amount is 217 mm (8.5 in) over the course of 23 days.

September Precipitation Trends in Ko Kha

The chart displays monthly precipitation patterns in Ko Kha, 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 Kha, September typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 23 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 Kha

In Ko Kha in September humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

September Average Humidity in Ko Kha

This chart illustrates the average monthly humidity levels in Ko Kha, 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 Kha is approximately 83%, 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 Kha

In Ko Kha in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Ko Kha.

Maximum UV Index Levels in Ko Kha for September

The chart shows the monthly maximum UV Index (UVI) for Ko Kha 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 Kha typically reaches 13, which falls under the extreme exposure category.

Data source: Ko Kha 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 Kha Compares to Other Months

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

This table compares monthly weather conditions in Ko Kha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	15 mm (0.6 inches)	51%	very high
February Weather	25°C (77°F)	6 mm (0.2 inches)	46%	extreme
March Weather	29°C (84°F)	5 mm (0.2 inches)	38%	extreme
April Weather	30°C (86°F)	70 mm (2.8 inches)	36%	extreme
May Weather	30°C (86°F)	119 mm (4.7 inches)	63%	extreme
June Weather	29°C (84°F)	186 mm (7.3 inches)	81%	extreme
July Weather	28°C (83°F)	201 mm (7.9 inches)	83%	extreme
August Weather	28°C (82°F)	315 mm (12.4 inches)	91%	extreme
September Weather	28°C (82°F)	217 mm (8.5 inches)	83%	extreme
October Weather	27°C (81°F)	155 mm (6.1 inches)	67%	extreme
November Weather	26°C (79°F)	26 mm (1.0 inches)	60%	very high
December Weather	23°C (74°F)	12 mm (0.5 inches)	56%	very high