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September Weather in Khao Yoi, Thailand

Last updated: August 27, 2025

In September, the average temperature in Khao Yoi, Thailand is a warm 28°C (83°F). Temperatures can dip to a comfortable 24°C (75°F) but may soar to a sweltering 37°C (98°F). Expect 225 mm (8.9 in) of precipitation spread over 25 days, contributing to the average humidity of 87%. Plan accordingly for a humid yet lively atmosphere!

September Temperature in Khao Yoi

In September in Khao Yoi, the average temperature is 28°C (83°F). Maximums can reach 37°C (98°F), and minimums can drop as low as 24°C (75°F). This mild to warm climate makes it a great destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Khao Yoi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khao Yoi, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec788084858584838382818078
Data source: Temperature data for Khao Yoi 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 Yoi

In Khao Yoi in September, the precipitation amount is 225 mm (8.9 in) over the course of 25 days.

September Precipitation Trends in Khao Yoi

The chart displays monthly precipitation patterns in Khao Yoi, 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 Yoi, September typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2716371081591421371862252107917
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Khao Yoi

In Khao Yoi 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 Yoi

This chart illustrates the average monthly humidity levels in Khao Yoi, 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 Yoi is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%59%62%69%79%87%89%90%87%83%77%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Khao Yoi

In Khao Yoi 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 Yoi, you can check here.

Maximum UV Index Levels in Khao Yoi for September

The chart shows the monthly maximum UV Index (UVI) for Khao Yoi 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 Yoi typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141314141413109
Data source: Khao Yoi 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 Yoi Compares to Other Months

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

This table compares monthly weather conditions in Khao Yoi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)27 mm (1.1 inches)58%extreme
February Weather27°C (80°F)16 mm (0.6 inches)59%extreme
March Weather29°C (84°F)37 mm (1.5 inches)62%extreme
April Weather30°C (86°F)108 mm (4.3 inches)69%extreme
May Weather29°C (85°F)159 mm (6.2 inches)79%extreme
June Weather29°C (84°F)142 mm (5.6 inches)87%extreme
July Weather28°C (83°F)137 mm (5.4 inches)89%extreme
August Weather28°C (83°F)186 mm (7.3 inches)90%extreme
September Weather28°C (83°F)225 mm (8.9 inches)87%extreme
October Weather27°C (82°F)210 mm (8.3 inches)83%extreme
November Weather27°C (80°F)79 mm (3.1 inches)77%very high
December Weather25°C (78°F)17 mm (0.7 inches)66%very high

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