September Weather in Thong Saen Khan, Thailand

Last updated: August 27, 2025

In September, the average temperature in Thong Saen Khan, Thailand reaches a warm 28°C (83°F). Temperatures can vary, with a minimum of 24°C (75°F) and a maximum of 35°C (96°F). Expect significant rainfall, as the region sees 239 mm (9.4 in) of precipitation over 24 days. With an average humidity of 86%, the air tends to feel quite muggy during this month.

September Temperature in Thong Saen Khan

In September in Thong Saen Khan, the average temperature is 28°C (83°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (75°F). This mild and warm climate makes Thong Saen Khan an ideal destination for travelers seeking pleasant weather.

September Weather in Thong Saen Khan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Thong Saen Khan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thong Saen Khan, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Thong Saen Khan generated using information from the Copernicus Climate Change Service.

September Precipitation in Thong Saen Khan

In Thong Saen Khan in September, the total precipitation amount is 239 mm (9.4 in) spread over the course of 24 days.

September Precipitation Trends in Thong Saen Khan

The chart displays monthly precipitation patterns in Thong Saen Khan, 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 Thong Saen Khan, September typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 24 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 Thong Saen Khan

In Thong Saen Khan in September humidity is 86%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and every breath a reminder of the tropical heat, which can be quite challenging for traveling.

September Average Humidity in Thong Saen Khan

This chart illustrates the average monthly humidity levels in Thong Saen Khan, 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 Thong Saen Khan is approximately 86%, 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 Thong Saen Khan

In Thong Saen Khan 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 Thong Saen Khan, you can check here.

Maximum UV Index Levels in Thong Saen Khan for September

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

Data source: Thong Saen Khan 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 Thong Saen Khan Compares to Other Months

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

This table compares monthly weather conditions in Thong Saen Khan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	21 mm (0.8 inches)	52%	very high
February Weather	26°C (79°F)	14 mm (0.5 inches)	49%	extreme
March Weather	29°C (85°F)	8 mm (0.3 inches)	39%	extreme
April Weather	30°C (87°F)	73 mm (2.9 inches)	40%	extreme
May Weather	30°C (87°F)	126 mm (5.0 inches)	69%	extreme
June Weather	29°C (85°F)	217 mm (8.6 inches)	81%	extreme
July Weather	29°C (84°F)	239 mm (9.4 inches)	83%	extreme
August Weather	28°C (83°F)	347 mm (13.7 inches)	87%	extreme
September Weather	28°C (83°F)	239 mm (9.4 inches)	86%	extreme
October Weather	28°C (83°F)	127 mm (5.0 inches)	74%	extreme
November Weather	27°C (81°F)	20 mm (0.8 inches)	63%	very high
December Weather	24°C (76°F)	14 mm (0.5 inches)	57%	very high