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September Weather in Nakhon Luang, Thailand

Last updated: August 27, 2025

In Nakhon Luang, Thailand, the average temperature in September hovers around 29°C (84°F), with a minimum of 25°C (76°F) and occasionally reaching a scorching 38°C (100°F). Prepare for some rain, as you'll encounter about 274 mm (10.8 in) of precipitation over 25 days. With an average humidity of 88%, expect a warm and muggy atmosphere throughout the month!

September Temperature in Nakhon Luang

In September in Nakhon Luang, the average temperature is 29°C (84°F). Maximum temperatures can reach 38°C (100°F), while the minimum can drop to as low as 25°C (76°F). Travelers should prepare for warm days and carry appropriate clothing for both the heat and cooler evenings.

September Weather in Nakhon Luang: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nakhon Luang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nakhon Luang, September typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec828387888787858584848381
Data source: Temperature data for Nakhon Luang 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 Nakhon Luang

In Nakhon Luang in September, the precipitation amount is 274 mm (10.8 in) during 25 days, indicating a period of significant rainfall.

September Precipitation Trends in Nakhon Luang

The chart displays monthly precipitation patterns in Nakhon Luang, 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 Nakhon Luang, September typically receives around 274 mm (10.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec161342961471251791922742045615
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nakhon Luang

In Nakhon Luang in September, humidity is 88%. With an average temperature of 29°C (84°F), this humidity feels like walking through a warm, wet blanket, making travel uncomfortable and draining as the air clings heavily to your skin.

September Average Humidity in Nakhon Luang

This chart illustrates the average monthly humidity levels in Nakhon Luang, 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 Nakhon Luang is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%41%51%76%83%80%86%88%79%68%59%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nakhon Luang

In Nakhon Luang in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Nakhon Luang.

Maximum UV Index Levels in Nakhon Luang for September

The chart shows the monthly maximum UV Index (UVI) for Nakhon Luang 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 Nakhon Luang typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314131313141312109
Data source: Nakhon Luang 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 Nakhon Luang Compares to Other Months

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

This table compares monthly weather conditions in Nakhon Luang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)16 mm (0.6 inches)50%very high
February Weather29°C (84°F)13 mm (0.5 inches)47%extreme
March Weather30°C (87°F)42 mm (1.6 inches)41%extreme
April Weather31°C (88°F)96 mm (3.8 inches)51%extreme
May Weather31°C (87°F)147 mm (5.8 inches)76%extreme
June Weather30°C (87°F)125 mm (4.9 inches)83%extreme
July Weather30°C (86°F)179 mm (7.1 inches)80%extreme
August Weather29°C (85°F)192 mm (7.6 inches)85%extreme
September Weather29°C (84°F)274 mm (10.8 inches)88%extreme
October Weather29°C (84°F)204 mm (8.0 inches)79%extreme
November Weather28°C (84°F)56 mm (2.2 inches)68%very high
December Weather27°C (81°F)15 mm (0.6 inches)59%very high

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