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September Weather in Khao Chaison, Thailand

Last updated: August 27, 2025

In Khao Chaison, Thailand, the average temperature in September reaches a warm 28°C (83°F), with a comfortable minimum of 25°C (77°F) and a maximum soaring to 34°C (94°F). Expect 124 mm (4.9 in) of precipitation over 22 days, contributing to an average humidity of 87%. Be prepared for a tropical atmosphere as you enjoy your time in this vibrant locale!

September Temperature in Khao Chaison

In September in Khao Chaison, the average temperature is 28°C (83°F). Maximum temperatures can reach 34°C (94°F), while minimums may drop to as low as 25°C (77°F). Overall, it's a warm and pleasant destination, perfect for travelers seeking a sunny getaway.

September Weather in Khao Chaison: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Khao Chaison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khao Chaison, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081838383838382818080
Data source: Temperature data for Khao Chaison generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Khao Chaison

In Khao Chaison in September, the total precipitation amount is 124 mm (4.9 in), occurring over the course of 22 days.

September Precipitation Trends in Khao Chaison

The chart displays monthly precipitation patterns in Khao Chaison, 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 Khao Chaison, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2085262149127886064124238472375
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Khao Chaison

In Khao Chaison in September humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

September Average Humidity in Khao Chaison

This chart illustrates the average monthly humidity levels in Khao Chaison, 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 Khao Chaison is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%78%77%78%83%83%85%87%85%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Khao Chaison

In Khao Chaison 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 Khao Chaison, you can check here.

Maximum UV Index Levels in Khao Chaison for September

The chart shows the monthly maximum UV Index (UVI) for Khao Chaison 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 Khao Chaison typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Khao Chaison 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 Khao Chaison Compares to Other Months

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

This table compares monthly weather conditions in Khao Chaison, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)208 mm (8.2 inches)81%extreme
February Weather27°C (80°F)51 mm (2.0 inches)78%extreme
March Weather27°C (82°F)62 mm (2.4 inches)78%extreme
April Weather28°C (83°F)149 mm (5.9 inches)77%extreme
May Weather29°C (84°F)127 mm (5.0 inches)78%extreme
June Weather28°C (84°F)88 mm (3.5 inches)83%extreme
July Weather29°C (84°F)60 mm (2.4 inches)82%extreme
August Weather28°C (83°F)64 mm (2.5 inches)85%extreme
September Weather28°C (83°F)124 mm (4.9 inches)87%extreme
October Weather27°C (82°F)238 mm (9.4 inches)85%extreme
November Weather27°C (81°F)472 mm (18.6 inches)88%extreme
December Weather27°C (80°F)375 mm (14.8 inches)88%extreme

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