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September Weather in Na Khu, Thailand

Last updated: August 27, 2025

In Na Khu, Thailand, the average temperature in September hovers around 28°C (82°F), with a minimum of 22°C (73°F) and a maximum reaching 34°C (94°F). Be prepared for 266 mm (10.5 in) of precipitation spread across 24 days, leading to an average humidity level of 86%. Make sure to pack accordingly for this warm and wet climate!

September Temperature in Na Khu

In September in Na Khu, the average temperature is 28°C (82°F), with maximums reaching 34°C (94°F) and minimums dropping to 22°C (73°F). Travelers can expect warm and pleasant weather, ideal for outdoor activities and exploration.

September Weather in Na Khu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Na Khu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Na Khu, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec747582838483828182807773
Data source: Temperature data for Na Khu 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 Na Khu

In Na Khu in September, the total precipitation amount is 266 mm (10.5 in) over the course of 24 days.

September Precipitation Trends in Na Khu

The chart displays monthly precipitation patterns in Na Khu, 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 Na Khu, September typically receives around 266 mm (10.5 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec4103663164145326291266147215
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Na Khu

In Na Khu in September, humidity is 86%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making travel quite challenging as you navigate the thick, moisture-laden air that can leave you feeling sticky and fatigued.

September Average Humidity in Na Khu

This chart illustrates the average monthly humidity levels in Na Khu, 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 Na Khu is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Na Khu

In Na Khu 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 Na Khu, you can check here.

Maximum UV Index Levels in Na Khu for September

The chart shows the monthly maximum UV Index (UVI) for Na Khu 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 Na Khu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121415141315141412109
Data source: Na Khu 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 Na Khu Compares to Other Months

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

This table compares monthly weather conditions in Na Khu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)4 mm (0.1 inches)59%very high
February Weather24°C (76°F)10 mm (0.4 inches)54%extreme
March Weather28°C (82°F)36 mm (1.4 inches)45%extreme
April Weather29°C (84°F)63 mm (2.5 inches)40%extreme
May Weather29°C (84°F)164 mm (6.4 inches)65%extreme
June Weather28°C (84°F)145 mm (5.7 inches)82%extreme
July Weather28°C (82°F)326 mm (12.8 inches)90%extreme
August Weather27°C (82°F)291 mm (11.5 inches)92%extreme
September Weather28°C (82°F)266 mm (10.5 inches)86%extreme
October Weather27°C (80°F)147 mm (5.8 inches)80%extreme
November Weather25°C (78°F)21 mm (0.8 inches)72%very high
December Weather23°C (73°F)5 mm (0.2 inches)66%very high

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