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September Weather in Nam Nao, Thailand

Last updated: August 27, 2025

In September, the average temperature in Nam Nao, Thailand is a comfortable 26°C (79°F), with lows dipping to 20°C (69°F) and highs reaching up to 33°C (91°F). Expect quite a bit of rain, with an average precipitation of 235 mm (9.2 in) spread over 24 days. Additionally, you'll experience a high level of humidity, averaging around 86%, making this an ideal month for those who enjoy a tropical climate!

September Temperature in Nam Nao

In September in Nam Nao, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 20°C (69°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

September Weather in Nam Nao: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nam Nao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nam Nao, September typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec727377787980797978777570
Data source: Temperature data for Nam Nao 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 Nam Nao

In Nam Nao in September, the total precipitation amount is 235 mm (9.2 in) distributed over 24 days.

September Precipitation Trends in Nam Nao

The chart displays monthly precipitation patterns in Nam Nao, 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 Nam Nao, September typically receives around 235 mm (9.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec11341231592992402272452351521911
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nam Nao

In Nam Nao in September, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

September Average Humidity in Nam Nao

This chart illustrates the average monthly humidity levels in Nam Nao, 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 Nam Nao is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nam Nao

In Nam Nao 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 Nam Nao, you can check here.

Maximum UV Index Levels in Nam Nao for September

The chart shows the monthly maximum UV Index (UVI) for Nam Nao 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 Nam Nao typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141415151413109
Data source: Nam Nao 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 Nam Nao Compares to Other Months

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

This table compares monthly weather conditions in Nam Nao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)11 mm (0.4 inches)52%very high
February Weather23°C (73°F)34 mm (1.4 inches)49%extreme
March Weather25°C (78°F)123 mm (4.8 inches)39%extreme
April Weather26°C (78°F)159 mm (6.2 inches)40%extreme
May Weather26°C (80°F)299 mm (11.8 inches)69%extreme
June Weather27°C (80°F)240 mm (9.5 inches)81%extreme
July Weather26°C (79°F)227 mm (8.9 inches)83%extreme
August Weather26°C (79°F)245 mm (9.7 inches)87%extreme
September Weather26°C (79°F)235 mm (9.2 inches)86%extreme
October Weather25°C (77°F)152 mm (6.0 inches)74%extreme
November Weather24°C (75°F)19 mm (0.7 inches)63%very high
December Weather21°C (70°F)11 mm (0.4 inches)57%very high

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