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September Weather in Ke Sach, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Ke Sach, Vietnam hovers around 27°C (81°F), with minimums dipping to 24°C (75°F) and maximums reaching 33°C (92°F). This month witnesses significant precipitation, accumulating to 324 mm (12.7 in) over 28 days, while the atmosphere remains quite humid with an average of 85% humidity.

September Temperature in Ke Sach

In September in Ke Sach, the average temperature is 27°C (81°F), with maximums reaching 33°C (92°F) and minimums dropping to as low as 24°C (75°F). This climate makes Ke Sach an ideal destination for travelers seeking warm and pleasant weather.

September Weather in Ke Sach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ke Sach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ke Sach, September typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082848482828181818180
Data source: Temperature data for Ke Sach 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 Ke Sach

In Ke Sach in September, the total precipitation amount is 324 mm (12.7 in) accumulated over 28 days.

September Precipitation Trends in Ke Sach

The chart displays monthly precipitation patterns in Ke Sach, 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 Ke Sach, September typically receives around 324 mm (12.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec4817209823526028630932432520597
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ke Sach

In Ke Sach in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

September Average Humidity in Ke Sach

This chart illustrates the average monthly humidity levels in Ke Sach, 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 Ke Sach is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%75%76%78%80%82%83%85%85%83%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ke Sach

In Ke Sach 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 Ke Sach, you can check here.

Maximum UV Index Levels in Ke Sach for September

The chart shows the monthly maximum UV Index (UVI) for Ke Sach 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 Ke Sach typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416141413131414131110
Data source: Ke Sach 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 Ke Sach Compares to Other Months

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

This table compares monthly weather conditions in Ke Sach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)48 mm (1.9 inches)77%extreme
February Weather26°C (80°F)17 mm (0.7 inches)75%extreme
March Weather28°C (82°F)20 mm (0.8 inches)76%extreme
April Weather29°C (84°F)98 mm (3.9 inches)78%extreme
May Weather29°C (84°F)235 mm (9.3 inches)80%extreme
June Weather28°C (83°F)260 mm (10.2 inches)82%extreme
July Weather28°C (82°F)286 mm (11.3 inches)83%extreme
August Weather27°C (82°F)309 mm (12.2 inches)85%extreme
September Weather27°C (81°F)324 mm (12.7 inches)85%extreme
October Weather27°C (81°F)325 mm (12.8 inches)83%extreme
November Weather27°C (81°F)205 mm (8.1 inches)86%extreme
December Weather26°C (80°F)97 mm (3.8 inches)85%very high

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