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September Weather in Muang Xay, Laos

Last updated: August 23, 2025

The average temperature in Muang Xay, Laos during September hovers around 25°C (76°F), with a minimum of 17°C (62°F) and a maximum of 33°C (92°F). Expect a precipitation amount of 223 mm (8.8 in) spread over 21 days, contributing to an average humidity of 83%.

September Temperature in Muang Xay

In September in Muang Xay, the average temperature is 25°C (76°F). Maximums can reach 33°C (92°F) and minimums can be as low as 17°C (62°F). This makes Muang Xay a wonderful destination for travelers seeking pleasant weather and a comfortable climate during this time of year.

September Weather in Muang Xay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Muang Xay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muang Xay, September typically has an average temperature of 25°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec636572747878777776736962
Data source: Temperature data for Muang Xay 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 Muang Xay

In Muang Xay in September, the total precipitation amount is 223 mm (8.8 in) spread over a period of 21 days.

September Precipitation Trends in Muang Xay

The chart displays monthly precipitation patterns in Muang Xay, 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 Muang Xay, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec4822471801472362923762231183524
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muang Xay

In Muang Xay in September humidity is 83%. With an average temperature of 25°C (76°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit more challenging and prompting frequent breaks for hydration.

September Average Humidity in Muang Xay

This chart illustrates the average monthly humidity levels in Muang Xay, 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 Muang Xay is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%57%48%41%60%80%92%92%84%71%68%64%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Muang Xay

In Muang Xay 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 Muang Xay, you can check here.

Maximum UV Index Levels in Muang Xay for September

The chart shows the monthly maximum UV Index (UVI) for Muang Xay 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 Muang Xay typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101313141415141413108
Data source: Muang Xay 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 Muang Xay Compares to Other Months

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

This table compares monthly weather conditions in Muang Xay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)48 mm (1.9 inches)57%very high
February Weather18°C (65°F)22 mm (0.9 inches)57%very high
March Weather22°C (72°F)47 mm (1.8 inches)48%extreme
April Weather23°C (74°F)180 mm (7.1 inches)41%extreme
May Weather25°C (78°F)147 mm (5.8 inches)60%extreme
June Weather26°C (79°F)236 mm (9.3 inches)80%extreme
July Weather25°C (78°F)292 mm (11.5 inches)92%extreme
August Weather25°C (77°F)376 mm (14.8 inches)92%extreme
September Weather25°C (76°F)223 mm (8.8 inches)83%extreme
October Weather23°C (73°F)118 mm (4.7 inches)71%extreme
November Weather20°C (69°F)35 mm (1.4 inches)68%very high
December Weather17°C (63°F)24 mm (0.9 inches)64%very high

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