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September Weather in Xaysetha, Laos

Last updated: August 23, 2025

In September, the average temperature in Xaysetha, Laos is a warm 27°C (80°F). You can expect a minimum of 22°C (72°F) and a maximum of 34°C (94°F), making it a comfortable month to explore. However, be prepared for 283 mm (11.1 in) of precipitation over about 25 days, accompanied by high average humidity at 91%. Dress appropriately and enjoy your time in this vibrant locale!

September Temperature in Xaysetha

In September in Xaysetha, the average temperature is 27°C (80°F). Maximums can reach 34°C (94°F), and minimums can be as low as 22°C (72°F). This pleasant and warm climate makes Xaysetha an ideal destination for travelers seeking enjoyable weather.

September Weather in Xaysetha: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Xaysetha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xaysetha, 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 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec778084858482808080807976
Data source: Temperature data for Xaysetha 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 Xaysetha

In Xaysetha in September, the total precipitation amount is 283 mm (11.1 in) over the course of 25 days.

September Precipitation Trends in Xaysetha

The chart displays monthly precipitation patterns in Xaysetha, 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 Xaysetha, September typically receives around 283 mm (11.1 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1421411321762962942832434813
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xaysetha

In Xaysetha in September, humidity is 91%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket that wraps around you, making outdoor exploration more challenging while also intensifying the heat and sweat, turning every adventure into a test of endurance.

September Average Humidity in Xaysetha

This chart illustrates the average monthly humidity levels in Xaysetha, 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 Xaysetha is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%53%49%73%86%91%93%91%88%85%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xaysetha

In Xaysetha 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 Xaysetha, you can check here.

Maximum UV Index Levels in Xaysetha for September

The chart shows the monthly maximum UV Index (UVI) for Xaysetha 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 Xaysetha typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515141414141413119
Data source: Xaysetha 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 Xaysetha Compares to Other Months

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

This table compares monthly weather conditions in Xaysetha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)1 mm (0.0 inches)74%very high
February Weather26°C (80°F)4 mm (0.1 inches)65%extreme
March Weather29°C (85°F)21 mm (0.8 inches)53%extreme
April Weather30°C (85°F)41 mm (1.6 inches)49%extreme
May Weather29°C (84°F)132 mm (5.2 inches)72%extreme
June Weather28°C (82°F)176 mm (6.9 inches)86%extreme
July Weather27°C (80°F)296 mm (11.6 inches)91%extreme
August Weather26°C (80°F)294 mm (11.6 inches)93%extreme
September Weather27°C (80°F)283 mm (11.1 inches)91%extreme
October Weather27°C (80°F)243 mm (9.6 inches)88%extreme
November Weather26°C (79°F)48 mm (1.9 inches)85%extreme
December Weather25°C (77°F)13 mm (0.5 inches)82%very high

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