September Weather in Muong Xen, Vietnam

Last updated: August 28, 2025

In Muong Xen, Vietnam, the average temperature in September hovers around 24°C (75°F), with min temperatures dipping to 17°C (62°F) and max temperatures soaring to 33°C (91°F). Prepare for some rainfall, as precipitation averages 198 mm (7.8 in) over the course of 23 days. With an average humidity of 85%, it’s a month enveloped in warmth and moisture.

September Temperature in Muong Xen

In September in Muong Xen, the average temperature is 24°C (75°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 17°C (62°F). This pleasant climate makes Muong Xen an attractive destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Muong Xen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muong Xen, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec616269727678777675716660
Data source: Temperature data for Muong Xen 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 Xen

In Muong Xen in September, the precipitation amount is 198 mm (7.8 in) over the course of 23 days.

September Precipitation Trends in Muong Xen

The chart displays monthly precipitation patterns in Muong Xen, 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 Xen, September typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec2530671211772003023631981874530
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muong Xen

In Muong Xen in September humidity is 85%. With an average temperature of 24°C (75°F), this humidity feels like walking through a warm, heavy blanket, making travel feel sluggish and draining as you navigate through the thick, muggy air.

September Average Humidity in Muong Xen

This chart illustrates the average monthly humidity levels in Muong Xen, 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 Xen is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%54%47%67%81%92%93%85%78%73%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Muong Xen

In Muong Xen 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 Xen, you can check here.

Maximum UV Index Levels in Muong Xen for September

The chart shows the monthly maximum UV Index (UVI) for Muong Xen 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 Xen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141415141412108
Data source: Muong Xen 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 Xen Compares to Other Months

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

This table compares monthly weather conditions in Muong Xen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)25 mm (1.0 inches)65%very high
February Weather17°C (62°F)30 mm (1.2 inches)63%extreme
March Weather21°C (69°F)67 mm (2.6 inches)54%extreme
April Weather22°C (72°F)121 mm (4.8 inches)47%extreme
May Weather24°C (76°F)177 mm (7.0 inches)67%extreme
June Weather26°C (79°F)200 mm (7.9 inches)81%extreme
July Weather25°C (77°F)302 mm (11.9 inches)92%extreme
August Weather24°C (76°F)363 mm (14.3 inches)93%extreme
September Weather24°C (75°F)198 mm (7.8 inches)85%extreme
October Weather22°C (71°F)187 mm (7.4 inches)78%extreme
November Weather19°C (67°F)45 mm (1.8 inches)73%very high
December Weather16°C (60°F)30 mm (1.2 inches)69%very high

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