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September Weather in Na Thom, Thailand

Last updated: August 27, 2025

In Na Thom, Thailand, the average temperature in September is a warm 28°C (83°F), with minimums dipping to 22°C (72°F) and maximums soaring to 36°C (96°F). Expect considerable rainfall, with an average precipitation of 276 mm (10.9 in) spread over 25 days. The average humidity hovers around a balmy 86%, creating a tropical feel throughout the month.

September Temperature in Na Thom

In September in Na Thom, the average temperature is 28°C (83°F), with maximums reaching 36°C (96°F) and minimums dropping to as low as 22°C (72°F). This warm climate makes it an ideal destination for travelers seeking sunshine and outdoor activities.

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

The chart illustrates September temperature patterns in Na Thom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Na Thom, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (96°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec747581848484838283817873
Data source: Temperature data for Na Thom 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 Thom

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

September Precipitation Trends in Na Thom

The chart displays monthly precipitation patterns in Na Thom, 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 Thom, September typically receives around 276 mm (10.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec8164771207292455463276117156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Na Thom

In Na Thom in September humidity is 86%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and every breath a reminder of the tropical heat, which can be quite challenging for traveling.

September Average Humidity in Na Thom

This chart illustrates the average monthly humidity levels in Na Thom, 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 Thom 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 Thom

In Na Thom 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 Thom, you can check here.

Maximum UV Index Levels in Na Thom for September

The chart shows the monthly maximum UV Index (UVI) for Na Thom 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 Thom typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414141315141412109
Data source: Na Thom 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 Thom Compares to Other Months

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

This table compares monthly weather conditions in Na Thom, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)8 mm (0.3 inches)59%very high
February Weather24°C (76°F)16 mm (0.6 inches)54%extreme
March Weather27°C (82°F)47 mm (1.8 inches)45%extreme
April Weather29°C (84°F)71 mm (2.8 inches)40%extreme
May Weather29°C (85°F)207 mm (8.1 inches)65%extreme
June Weather29°C (84°F)292 mm (11.5 inches)82%extreme
July Weather28°C (83°F)455 mm (17.9 inches)90%extreme
August Weather28°C (83°F)463 mm (18.2 inches)92%extreme
September Weather28°C (83°F)276 mm (10.9 inches)86%extreme
October Weather27°C (81°F)117 mm (4.6 inches)80%extreme
November Weather26°C (78°F)15 mm (0.6 inches)72%very high
December Weather23°C (73°F)6 mm (0.2 inches)66%very high

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