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September Weather in Watthana Nakhon, Thailand

Last updated: August 27, 2025

In September, the average temperature in Watthana Nakhon, Thailand is a warm 28°C (82°F). Daytime highs can reach up to 35°C (95°F), while nights can be a mild 23°C (74°F). Expect 289 mm (11.4 in) of precipitation spread over approximately 25 days along with a high average humidity of 87%, creating a tropical atmosphere perfect for those who enjoy lush environments.

September Temperature in Watthana Nakhon

In September, in Watthana Nakhon, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F), and minimums can be as low as 23°C (74°F). This makes Watthana Nakhon a warm and pleasant destination for travelers looking to enjoy a sunny getaway.

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

The chart illustrates September temperature patterns in Watthana Nakhon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watthana Nakhon, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec808185858483828282818179
Data source: Temperature data for Watthana Nakhon 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 Watthana Nakhon

In Watthana Nakhon in September, the precipitation amount is 289 mm (11.4 in) occurring over the course of 25 days.

September Precipitation Trends in Watthana Nakhon

The chart displays monthly precipitation patterns in Watthana Nakhon, 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 Watthana Nakhon, September typically receives around 289 mm (11.4 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1220571031631742132422892074111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Watthana Nakhon

In Watthana Nakhon in September humidity is 87%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making travel challenging as you navigate the air's heavy moisture.

September Average Humidity in Watthana Nakhon

This chart illustrates the average monthly humidity levels in Watthana Nakhon, 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 Watthana Nakhon is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Watthana Nakhon

In Watthana Nakhon 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 Watthana Nakhon, you can check here.

Maximum UV Index Levels in Watthana Nakhon for September

The chart shows the monthly maximum UV Index (UVI) for Watthana Nakhon 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 Watthana Nakhon typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101314141413141414131110
Data source: Watthana Nakhon 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 Watthana Nakhon Compares to Other Months

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

This table compares monthly weather conditions in Watthana Nakhon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)11 mm (0.5 inches)59%very high
February Weather27°C (82°F)20 mm (0.8 inches)58%extreme
March Weather29°C (85°F)57 mm (2.2 inches)61%extreme
April Weather29°C (85°F)103 mm (4.0 inches)70%extreme
May Weather29°C (85°F)163 mm (6.4 inches)80%extreme
June Weather29°C (84°F)174 mm (6.8 inches)85%extreme
July Weather28°C (83°F)213 mm (8.4 inches)86%extreme
August Weather28°C (82°F)242 mm (9.5 inches)88%extreme
September Weather28°C (82°F)289 mm (11.4 inches)87%extreme
October Weather27°C (82°F)207 mm (8.1 inches)83%extreme
November Weather27°C (81°F)41 mm (1.6 inches)78%extreme
December Weather26°C (79°F)11 mm (0.4 inches)70%very high

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