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September Weather in Lac Duong, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Lac Duong, Vietnam hovers around 21°C (70°F). Expect minimum temperatures to dip to 17°C (62°F), while the mercury can rise as high as 27°C (82°F). However, prepare for considerable rainfall; with 299 mm (11.8 in) of precipitation expected over 28 days. Additionally, humidity levels are likely to soar at an average of 87%, creating a distinctly tropical feel.

September Temperature in Lac Duong

In September in Lac Duong, the average temperature is 21°C (70°F), with a maximum that can reach 27°C (82°F) and a minimum that can drop to 17°C (62°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Lac Duong.

September Weather in Lac Duong: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lac Duong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lac Duong, September typically has an average temperature of 21°C (70°F), with highs reaching up to 27°C (82°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec666669707271707170706866
Data source: Temperature data for Lac Duong 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 Lac Duong

In Lac Duong in September, the total precipitation amount is 299 mm (11.8 in) over the course of 28 days.

September Precipitation Trends in Lac Duong

The chart displays monthly precipitation patterns in Lac Duong, 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 Lac Duong, September typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec51297814329521023523430029226993
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lac Duong

In Lac Duong in September humidity is 87%. With an average temperature of 21°C (70°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities quite exhausting and requiring frequent breaks to hydrate and cool off.

September Average Humidity in Lac Duong

This chart illustrates the average monthly humidity levels in Lac Duong, 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 Lac Duong is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%78%76%78%84%86%87%87%86%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lac Duong

In Lac Duong in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Lac Duong.

Maximum UV Index Levels in Lac Duong for September

The chart shows the monthly maximum UV Index (UVI) for Lac Duong 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 Lac Duong typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121516161514151515141210
Data source: Lac Duong 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 Lac Duong Compares to Other Months

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

This table compares monthly weather conditions in Lac Duong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)51 mm (2.0 inches)82%extreme
February Weather19°C (66°F)29 mm (1.2 inches)79%extreme
March Weather21°C (69°F)78 mm (3.1 inches)78%extreme
April Weather21°C (71°F)143 mm (5.6 inches)76%extreme
May Weather22°C (72°F)295 mm (11.6 inches)78%extreme
June Weather22°C (71°F)210 mm (8.3 inches)84%extreme
July Weather21°C (71°F)235 mm (9.3 inches)86%extreme
August Weather21°C (71°F)234 mm (9.2 inches)87%extreme
September Weather21°C (70°F)299 mm (11.8 inches)87%extreme
October Weather21°C (70°F)292 mm (11.5 inches)86%extreme
November Weather20°C (69°F)269 mm (10.6 inches)89%extreme
December Weather19°C (66°F)93 mm (3.6 inches)88%very high

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