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September Weather in La-Un, Thailand

Last updated: August 27, 2025

In La-Un, Thailand, the average temperature in September is a warm 26°C (79°F). Expect minimums around 22°C (72°F) and delightful maximums reaching 34°C (93°F). However, be prepared for some rain, as 392 mm (15.4 in) of precipitation can fall over 27 days. With an average humidity of 87%, it's essential to stay hydrated while enjoying the lush, tropical atmosphere!

September Temperature in La-Un

In September, in La-Un, the average temperature is 26°C (79°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes La-Un an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

September Weather in La-Un: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La-Un, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La-Un, September typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082818180807979797978
Data source: Temperature data for La-Un 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 La-Un

In La-Un in September, the total precipitation amount is 392 mm (15.4 in) over the course of 27 days.

September Precipitation Trends in La-Un

The chart displays monthly precipitation patterns in La-Un, 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 La-Un, September typically receives around 392 mm (15.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1332455233314276263300392366244119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La-Un

In La-Un in September, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in La-Un

This chart illustrates the average monthly humidity levels in La-Un, 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 La-Un is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%68%69%77%86%86%88%87%86%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La-Un

In La-Un 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 La-Un, you can check here.

Maximum UV Index Levels in La-Un for September

The chart shows the monthly maximum UV Index (UVI) for La-Un 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 La-Un typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111415151414141414141211
Data source: La-Un 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 La-Un Compares to Other Months

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

This table compares monthly weather conditions in La-Un, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)132 mm (5.2 inches)72%extreme
February Weather27°C (80°F)24 mm (0.9 inches)68%extreme
March Weather28°C (82°F)55 mm (2.2 inches)68%extreme
April Weather27°C (82°F)233 mm (9.2 inches)69%extreme
May Weather27°C (81°F)314 mm (12.4 inches)77%extreme
June Weather27°C (81°F)276 mm (10.9 inches)86%extreme
July Weather26°C (80°F)263 mm (10.4 inches)86%extreme
August Weather26°C (79°F)300 mm (11.8 inches)88%extreme
September Weather26°C (79°F)392 mm (15.4 inches)87%extreme
October Weather26°C (79°F)366 mm (14.4 inches)86%extreme
November Weather26°C (79°F)244 mm (9.6 inches)87%extreme
December Weather25°C (78°F)118 mm (4.7 inches)83%extreme

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