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September Weather in Lao Khwan, Thailand

Last updated: August 27, 2025

In Lao Khwan, Thailand, the average temperature in September hovers around 29°C (84°F), with a minimum of 24°C (75°F) and peak temperatures soaring to 38°C (100°F). Expect 239 mm (9.4 in) of rainfall spread over 23 days, contributing to an average humidity level of a steamy 86%.

September Temperature in Lao Khwan

In September in Lao Khwan, the average temperature is 29°C (84°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 24°C (75°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor activities.

September Weather in Lao Khwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lao Khwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lao Khwan, September typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec798286878786858484828179
Data source: Temperature data for Lao Khwan 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 Lao Khwan

In Lao Khwan in September, the total precipitation amount is 239 mm (9.4 in), occurring over the course of 23 days.

September Precipitation Trends in Lao Khwan

The chart displays monthly precipitation patterns in Lao Khwan, 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 Lao Khwan, September typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec171228931461151361602392055817
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lao Khwan

In Lao Khwan in September, humidity is 86%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel stifling and sweat-inducing, which can be challenging for travelers looking to explore.

September Average Humidity in Lao Khwan

This chart illustrates the average monthly humidity levels in Lao Khwan, 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 Lao Khwan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%54%56%65%77%87%89%89%86%79%69%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lao Khwan

In Lao Khwan 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 Lao Khwan, you can check here.

Maximum UV Index Levels in Lao Khwan for September

The chart shows the monthly maximum UV Index (UVI) for Lao Khwan 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 Lao Khwan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141314141412109
Data source: Lao Khwan 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 Lao Khwan Compares to Other Months

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

This table compares monthly weather conditions in Lao Khwan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)17 mm (0.7 inches)53%extreme
February Weather28°C (82°F)12 mm (0.5 inches)54%extreme
March Weather30°C (86°F)28 mm (1.1 inches)56%extreme
April Weather31°C (87°F)93 mm (3.7 inches)65%extreme
May Weather30°C (87°F)146 mm (5.8 inches)77%extreme
June Weather30°C (86°F)115 mm (4.5 inches)86%extreme
July Weather29°C (85°F)136 mm (5.3 inches)89%extreme
August Weather29°C (84°F)160 mm (6.3 inches)89%extreme
September Weather29°C (84°F)239 mm (9.4 inches)86%extreme
October Weather28°C (83°F)205 mm (8.1 inches)78%extreme
November Weather27°C (82°F)58 mm (2.3 inches)69%very high
December Weather26°C (79°F)17 mm (0.7 inches)60%very high

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