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September Weather in Lan Sak, Thailand

Last updated: August 27, 2025

In September, the average temperature in Lan Sak, Thailand is a warm 27°C (82°F). Visitors can expect a minimum temperature of 22°C (71°F) and a sweltering maximum of 35°C (95°F). However, prepare for some rain, as 276 mm (10.9 in) of precipitation is typically spread over 25 days. The air will be quite muggy too, with an average humidity of 86%. Stay hydrated and enjoy your time in this tropical paradise!

September Temperature in Lan Sak

In September in Lan Sak, the average temperature is 27°C (82°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 22°C (71°F). This makes it a great time to visit for warm weather activities and outdoor exploration.

September Weather in Lan Sak: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lan Sak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lan Sak, September typically has an average temperature of 27°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec757782848484828281807874
Data source: Temperature data for Lan Sak 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 Lan Sak

In Lan Sak in September, the total precipitation amount is 276 mm (10.9 in) spread over 25 days.

September Precipitation Trends in Lan Sak

The chart displays monthly precipitation patterns in Lan Sak, 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 Lan Sak, September typically receives around 276 mm (10.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec181527881641701832182762214023
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lan Sak

In Lan Sak in September humidity is 86%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated while traveling.

September Average Humidity in Lan Sak

This chart illustrates the average monthly humidity levels in Lan Sak, 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 Lan Sak 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 Lan Sak

In Lan Sak 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 Lan Sak, you can check here.

Maximum UV Index Levels in Lan Sak for September

The chart shows the monthly maximum UV Index (UVI) for Lan Sak 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 Lan Sak typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414141413109
Data source: Lan Sak 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 Lan Sak Compares to Other Months

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

This table compares monthly weather conditions in Lan Sak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)18 mm (0.7 inches)53%very high
February Weather25°C (78°F)15 mm (0.6 inches)54%extreme
March Weather28°C (83°F)27 mm (1.1 inches)56%extreme
April Weather29°C (84°F)88 mm (3.5 inches)65%extreme
May Weather29°C (84°F)164 mm (6.4 inches)77%extreme
June Weather29°C (84°F)170 mm (6.7 inches)86%extreme
July Weather28°C (83°F)183 mm (7.2 inches)89%extreme
August Weather28°C (82°F)218 mm (8.6 inches)89%extreme
September Weather27°C (82°F)276 mm (10.9 inches)86%extreme
October Weather27°C (80°F)221 mm (8.7 inches)78%extreme
November Weather25°C (78°F)40 mm (1.6 inches)69%very high
December Weather23°C (74°F)22 mm (0.9 inches)60%very high

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