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September Weather in Bang Bo, Thailand

Last updated: August 27, 2025

In Bang Bo, Thailand, the average temperature in September hovers around 29°C (84°F), with minimum temperatures dipping to 25°C (77°F) and maximums reaching up to 34°C (94°F). Expect a precipitation amount of 247 mm (9.7 in) spread across 26 days, contributing to an average humidity of a steamy 87%. Prepare for a warm, humid month!

September Temperature in Bang Bo

In September in Bang Bo, the average temperature is 29°C (84°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 25°C (77°F). This warm climate makes it an ideal destination for travelers seeking sunny skies and outdoor adventures.

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

The chart illustrates September temperature patterns in Bang Bo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bang Bo, September typically has an average temperature of 29°C (84°F), with highs reaching up to 34°C (94°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818285868686858484838280
Data source: Temperature data for Bang Bo 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 Bo

In Bang Bo in September, the precipitation amount is 247 mm (9.7 in) over the course of 26 days.

September Precipitation Trends in Bang Bo

The chart displays monthly precipitation patterns in Bang Bo, 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 Bo, September typically receives around 247 mm (9.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec312043109144951481462472315427
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bang Bo

In Bang Bo 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 Bo

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

In Bang Bo 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 Bo.

Maximum UV Index Levels in Bang Bo for September

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

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

This table compares monthly weather conditions in Bang Bo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)31 mm (1.2 inches)59%very high
February Weather28°C (82°F)20 mm (0.8 inches)58%extreme
March Weather29°C (85°F)43 mm (1.7 inches)61%extreme
April Weather30°C (86°F)109 mm (4.3 inches)70%extreme
May Weather30°C (86°F)144 mm (5.7 inches)80%extreme
June Weather30°C (86°F)95 mm (3.7 inches)85%extreme
July Weather29°C (85°F)148 mm (5.8 inches)86%extreme
August Weather29°C (85°F)146 mm (5.7 inches)88%extreme
September Weather29°C (84°F)247 mm (9.7 inches)87%extreme
October Weather28°C (83°F)231 mm (9.1 inches)83%extreme
November Weather28°C (83°F)54 mm (2.1 inches)78%very high
December Weather27°C (81°F)27 mm (1.0 inches)70%very high

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