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September Weather in Ban Mai, Thailand

Last updated: August 27, 2025

In Ban Mai, Thailand, the average temperature in September hovers around 28°C (83°F), making it a warm getaway. Expect minimum temperatures to dip to 25°C (77°F) while reaching maximums of 34°C (94°F). With 149 mm (5.9 in) of precipitation spread over 24 days, you might want to pack an umbrella. The humidity level sits at a notable 87%, contributing to a tropical ambiance.

September Temperature in Ban Mai

In September in Ban Mai, the average temperature is 28°C (83°F). Maximum temperatures can reach 34°C (94°F), while minimums may drop to as low as 25°C (77°F). Overall, it's a warm and pleasant destination, perfect for travelers seeking a sunny getaway.

September Weather in Ban Mai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ban Mai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Mai, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182838484848382828181
Data source: Temperature data for Ban Mai 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 Ban Mai

In Ban Mai in September, the precipitation amount is 149 mm (5.9 in) spread over 24 days.

September Precipitation Trends in Ban Mai

The chart displays monthly precipitation patterns in Ban Mai, 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 Ban Mai, September typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec1734054153142968186149247469326
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ban Mai

In Ban Mai in September humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

September Average Humidity in Ban Mai

This chart illustrates the average monthly humidity levels in Ban Mai, 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 Ban Mai is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%78%77%78%83%83%85%87%85%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ban Mai

In Ban Mai 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 Ban Mai, you can check here.

Maximum UV Index Levels in Ban Mai for September

The chart shows the monthly maximum UV Index (UVI) for Ban Mai 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 Ban Mai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151413131414141211
Data source: Ban Mai 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 Ban Mai Compares to Other Months

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

This table compares monthly weather conditions in Ban Mai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)173 mm (6.8 inches)81%extreme
February Weather27°C (81°F)40 mm (1.6 inches)78%extreme
March Weather28°C (82°F)54 mm (2.1 inches)78%extreme
April Weather28°C (83°F)153 mm (6.0 inches)77%extreme
May Weather29°C (84°F)142 mm (5.6 inches)78%extreme
June Weather29°C (84°F)96 mm (3.8 inches)83%extreme
July Weather29°C (84°F)81 mm (3.2 inches)82%extreme
August Weather28°C (84°F)85 mm (3.4 inches)85%extreme
September Weather28°C (83°F)149 mm (5.9 inches)87%extreme
October Weather28°C (82°F)247 mm (9.7 inches)85%extreme
November Weather27°C (81°F)469 mm (18.5 inches)88%extreme
December Weather27°C (81°F)326 mm (12.8 inches)88%extreme

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