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September Weather in Muong Khen, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Muong Khen, Vietnam hovers around 27°C (80°F). Expect a minimum temperature of 19°C (66°F) and a maximum reaching up to 34°C (94°F). Be prepared for 221 mm (8.7 in) of precipitation over 22 days, contributing to an average humidity level of 82%.

September Temperature in Muong Khen

In September, in Muong Khen, the average temperature is 27°C (80°F). Maximum can reach 34°C (94°F) and minimum can be as low as 19°C (66°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

September Weather in Muong Khen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Muong Khen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muong Khen, September typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec626370748084828180747063
Data source: Temperature data for Muong Khen 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 Muong Khen

In Muong Khen in September, the precipitation amount is 221 mm (8.7 in) over the course of 22 days.

September Precipitation Trends in Muong Khen

The chart displays monthly precipitation patterns in Muong Khen, 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 Muong Khen, September typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec5340611481891833454152212425643
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muong Khen

In Muong Khen in September, humidity is 82%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, often leaving travelers longing for shade and a refreshing drink.

September Average Humidity in Muong Khen

This chart illustrates the average monthly humidity levels in Muong Khen, 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 Muong Khen is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Muong Khen

In Muong Khen 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 Muong Khen, you can check here.

Maximum UV Index Levels in Muong Khen for September

The chart shows the monthly maximum UV Index (UVI) for Muong Khen 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 Muong Khen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121214131414141297
Data source: Muong Khen 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 Muong Khen Compares to Other Months

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

This table compares monthly weather conditions in Muong Khen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)53 mm (2.1 inches)66%very high
February Weather17°C (64°F)40 mm (1.6 inches)71%very high
March Weather21°C (71°F)61 mm (2.4 inches)69%extreme
April Weather23°C (74°F)148 mm (5.8 inches)64%extreme
May Weather26°C (80°F)189 mm (7.4 inches)73%extreme
June Weather29°C (84°F)183 mm (7.2 inches)81%extreme
July Weather28°C (82°F)345 mm (13.6 inches)90%extreme
August Weather27°C (82°F)414 mm (16.3 inches)89%extreme
September Weather27°C (80°F)221 mm (8.7 inches)82%extreme
October Weather23°C (74°F)242 mm (9.5 inches)77%extreme
November Weather21°C (70°F)56 mm (2.2 inches)72%very high
December Weather17°C (63°F)43 mm (1.7 inches)71%high

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