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September Weather in Muang Long, Laos

Last updated: August 23, 2025

In September, the average temperature in Muang Long, Laos is a pleasant 25°C (78°F). Expect a range where the minimum dips to 18°C (64°F) while the maximum can reach a warm 34°C (93°F). Prepare for 204 mm (8.0 in) of precipitation spread over 23 days, contributing to an average humidity of 83%.

September Temperature in Muang Long

In September in Muang Long, the average temperature is 25°C (78°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 18°C (64°F). This pleasant weather makes it an ideal time for travelers to explore the vibrant surroundings and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Muang Long, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muang Long, September typically has an average temperature of 25°C (78°F), with highs reaching up to 34°C (93°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec646773777979787877757164
Data source: Temperature data for Muang Long 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 Long

In Muang Long in September, the total precipitation amount is 204 mm (8.0 in), spread over the course of 23 days.

September Precipitation Trends in Muang Long

The chart displays monthly precipitation patterns in Muang Long, 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 Long, September typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec42211280751872873502041082639
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Muang Long

In Muang Long in September, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

September Average Humidity in Muang Long

This chart illustrates the average monthly humidity levels in Muang Long, 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 Long 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 Long

In Muang Long 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 Long, you can check here.

Maximum UV Index Levels in Muang Long for September

The chart shows the monthly maximum UV Index (UVI) for Muang Long 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 Long typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101312141414141412108
Data source: Muang Long 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 Long Compares to Other Months

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

This table compares monthly weather conditions in Muang Long, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)42 mm (1.6 inches)57%very high
February Weather19°C (67°F)21 mm (0.8 inches)57%very high
March Weather23°C (74°F)12 mm (0.5 inches)48%extreme
April Weather25°C (77°F)80 mm (3.2 inches)41%extreme
May Weather26°C (80°F)75 mm (3.0 inches)60%extreme
June Weather26°C (79°F)187 mm (7.3 inches)80%extreme
July Weather26°C (79°F)287 mm (11.3 inches)92%extreme
August Weather25°C (78°F)350 mm (13.8 inches)92%extreme
September Weather25°C (78°F)204 mm (8.0 inches)83%extreme
October Weather24°C (75°F)108 mm (4.3 inches)71%extreme
November Weather21°C (71°F)26 mm (1.0 inches)68%very high
December Weather18°C (64°F)38 mm (1.5 inches)64%very high

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