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September Weather in Ban Laem, Thailand

Last updated: August 27, 2025

In Ban Laem, Thailand, the weather in September brings an inviting average temperature of 28°C (84°F). Expect comfortable days with a minimum of 25°C (78°F) and occasional peaks at a warm 34°C (94°F). However, be prepared for some rain, as precipitation averages 177 mm (7.0 in) over 22 days. With an average humidity of 87%, the atmosphere can feel quite tropical.

September Temperature in Ban Laem

In September in Ban Laem, the average temperature is 28°C (84°F). Maximums can reach 34°C (94°F) and minimums can drop as low as 25°C (78°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates September temperature patterns in Ban Laem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Laem, September typically has an average temperature of 28°C (84°F), with highs reaching up to 34°C (94°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec808184858685848483828279
Data source: Temperature data for Ban Laem 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 Laem

In Ban Laem, in September, the precipitation amount is 177 mm (7.0 in) over the course of 22 days.

September Precipitation Trends in Ban Laem

The chart displays monthly precipitation patterns in Ban Laem, 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 Laem, September typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2312358711883921171772318723
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ban Laem

In Ban Laem in September, humidity is 87%. With an average temperature of 28°C (84°F), this humidity feels like a warm blanket enveloping you, making travel a bit heavier and more challenging as the air clings to your skin, causing you to seek shade and hydration more frequently.

September Average Humidity in Ban Laem

This chart illustrates the average monthly humidity levels in Ban Laem, 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 Laem is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%59%62%69%79%87%89%90%87%83%77%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ban Laem

In Ban Laem 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 Laem, you can check here.

Maximum UV Index Levels in Ban Laem for September

The chart shows the monthly maximum UV Index (UVI) for Ban Laem 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 Laem typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414141314141413109
Data source: Ban Laem 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 Laem Compares to Other Months

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

This table compares monthly weather conditions in Ban Laem, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)23 mm (0.9 inches)58%very high
February Weather27°C (81°F)12 mm (0.5 inches)59%extreme
March Weather29°C (84°F)35 mm (1.4 inches)62%extreme
April Weather30°C (86°F)87 mm (3.4 inches)69%extreme
May Weather30°C (86°F)118 mm (4.6 inches)79%extreme
June Weather29°C (85°F)83 mm (3.3 inches)87%extreme
July Weather29°C (85°F)91 mm (3.6 inches)89%extreme
August Weather29°C (84°F)117 mm (4.6 inches)90%extreme
September Weather28°C (84°F)177 mm (7.0 inches)87%extreme
October Weather28°C (83°F)231 mm (9.1 inches)83%extreme
November Weather28°C (82°F)87 mm (3.4 inches)77%very high
December Weather26°C (80°F)23 mm (0.9 inches)66%very high

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