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September Weather in Bang Na, Thailand

Last updated: August 27, 2025

In September, the average temperature in Bang Na, Thailand is a warm 29°C (84°F). Expect lows around 24°C (76°F) and highs reaching up to 35°C (96°F). Rainfall is quite frequent, with an average precipitation of 266 mm (10.5 in) spread over 26 days. Don’t forget, the humidity is high, averaging around 87%, adding to the tropical vibe of the region!

September Temperature in Bang Na

In September in Bang Na, the average temperature is 29°C (84°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (76°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor activities.

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

The chart illustrates September temperature patterns in Bang Na, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bang Na, September typically has an average temperature of 29°C (84°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808285868686858484838280
Data source: Temperature data for Bang Na 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 Bang Na

In Bang Na in September, the precipitation amount is 266 mm (10.5 in) over a span of 26 days.

September Precipitation Trends in Bang Na

The chart displays monthly precipitation patterns in Bang Na, 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 Bang Na, September typically receives around 266 mm (10.5 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec3220481181551191851792662265125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bang Na

In Bang Na in September, humidity is 87%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making traveling a challenge as you navigate the heavy, moist air that clings to your skin.

September Average Humidity in Bang Na

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

In Bang Na 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 Bang Na.

Maximum UV Index Levels in Bang Na for September

The chart shows the monthly maximum UV Index (UVI) for Bang Na 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 Bang Na typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121413141313141312109
Data source: Bang Na 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 Bang Na Compares to Other Months

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

This table compares monthly weather conditions in Bang Na, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)32 mm (1.3 inches)59%very high
February Weather28°C (82°F)20 mm (0.8 inches)58%extreme
March Weather29°C (85°F)48 mm (1.9 inches)61%extreme
April Weather30°C (86°F)118 mm (4.7 inches)70%extreme
May Weather30°C (86°F)155 mm (6.1 inches)80%extreme
June Weather30°C (86°F)119 mm (4.7 inches)85%extreme
July Weather29°C (85°F)185 mm (7.3 inches)86%extreme
August Weather29°C (85°F)178 mm (7.0 inches)88%extreme
September Weather29°C (84°F)266 mm (10.5 inches)87%extreme
October Weather28°C (83°F)226 mm (8.9 inches)83%extreme
November Weather28°C (83°F)51 mm (2.0 inches)78%very high
December Weather27°C (80°F)25 mm (1.0 inches)70%very high

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