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September Weather in Ban Donghen, Laos

Last updated: August 23, 2025

In September, the average temperature in Ban Donghen, Laos hovers around 28°C (82°F), making it a warm destination. Expect minimum temperatures to drop to 23°C (73°F), while the mercury can rise as high as 35°C (95°F). Be prepared for frequent rainfall, with about 248 mm (9.8 in) of precipitation spread over 24 days. Don't forget, the average humidity levels can reach a sticky 87%, so stay hydrated and enjoy your visit!

September Temperature in Ban Donghen

In September in Ban Donghen, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F) and minimums can be as low as 23°C (73°F). This warm and pleasant weather makes Ban Donghen an ideal destination for outdoor activities and relaxation during your travels.

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

The chart illustrates September temperature patterns in Ban Donghen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Donghen, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec737581838484818182807773
Data source: Temperature data for Ban Donghen 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 Donghen

In Ban Donghen in September, the precipitation amount is 248 mm (9.8 in) distributed over 24 days.

September Precipitation Trends in Ban Donghen

The chart displays monthly precipitation patterns in Ban Donghen, 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 Donghen, September typically receives around 248 mm (9.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec383770153205418382248177406
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ban Donghen

In Ban Donghen in September humidity is 87%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making travel challenging as you navigate the air's heavy moisture.

September Average Humidity in Ban Donghen

This chart illustrates the average monthly humidity levels in Ban Donghen, 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 Donghen is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%64%60%73%82%90%92%87%85%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ban Donghen

In Ban Donghen 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 Donghen, you can check here.

Maximum UV Index Levels in Ban Donghen for September

The chart shows the monthly maximum UV Index (UVI) for Ban Donghen 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 Donghen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141315141412109
Data source: Ban Donghen 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 Donghen Compares to Other Months

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

This table compares monthly weather conditions in Ban Donghen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)3 mm (0.1 inches)77%very high
February Weather24°C (75°F)8 mm (0.3 inches)73%extreme
March Weather27°C (81°F)37 mm (1.4 inches)64%extreme
April Weather28°C (83°F)70 mm (2.8 inches)60%extreme
May Weather29°C (84°F)153 mm (6.0 inches)73%extreme
June Weather29°C (84°F)205 mm (8.1 inches)82%extreme
July Weather27°C (82°F)418 mm (16.5 inches)90%extreme
August Weather27°C (81°F)382 mm (15.1 inches)92%extreme
September Weather28°C (82°F)248 mm (9.8 inches)87%extreme
October Weather27°C (80°F)177 mm (7.0 inches)85%extreme
November Weather25°C (77°F)40 mm (1.6 inches)84%very high
December Weather23°C (73°F)5 mm (0.2 inches)83%very high

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