September Weather in Dak Song, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Dak Song, Vietnam reaches a pleasant 23°C (74°F). Visitors can expect a comfortable range, with minimums dipping to 19°C (66°F) and maximums climbing to 31°C (88°F). However, be prepared for considerable rainfall, with an average precipitation of 372 mm (14.7 in) spread across 29 days, and humidity levels lingering around a high 91%.

September Temperature in Dak Song

In September in Dak Song, the average temperature is 23°C (74°F), with maxima reaching up to 31°C (88°F) and minima dropping as low as 19°C (66°F). This mild climate makes it a perfect time for outdoor activities and sightseeing.

September Weather in Dak Song: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dak Song, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dak Song, September typically has an average temperature of 23°C (74°F), with highs reaching up to 31°C (88°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec717275757675747474747371
Data source: Temperature data for Dak Song 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 Dak Song

In Dak Song in September, the total precipitation amount is 372 mm (14.7 in) spread over 29 days.

September Precipitation Trends in Dak Song

The chart displays monthly precipitation patterns in Dak Song, 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 Dak Song, September typically receives around 372 mm (14.7 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec27168316727324036333837226018141
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dak Song

In Dak Song in September, humidity is 91%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making traveling quite uncomfortable and causing you to break a sweat even during light activities.

September Average Humidity in Dak Song

This chart illustrates the average monthly humidity levels in Dak Song, 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 Dak Song is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%55%48%48%74%88%90%92%91%87%84%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dak Song

In Dak Song 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 Dak Song.

Maximum UV Index Levels in Dak Song for September

The chart shows the monthly maximum UV Index (UVI) for Dak Song 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 Dak Song typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416151513141515131210
Data source: Dak Song 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 Dak Song Compares to Other Months

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

This table compares monthly weather conditions in Dak Song, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)27 mm (1.0 inches)63%extreme
February Weather22°C (73°F)16 mm (0.6 inches)55%extreme
March Weather24°C (76°F)83 mm (3.3 inches)48%extreme
April Weather24°C (76°F)167 mm (6.6 inches)48%extreme
May Weather24°C (76°F)273 mm (10.8 inches)74%extreme
June Weather24°C (75°F)240 mm (9.4 inches)88%extreme
July Weather23°C (74°F)363 mm (14.3 inches)90%extreme
August Weather23°C (74°F)338 mm (13.3 inches)92%extreme
September Weather23°C (74°F)372 mm (14.7 inches)91%extreme
October Weather23°C (74°F)260 mm (10.2 inches)87%extreme
November Weather23°C (73°F)181 mm (7.1 inches)84%extreme
December Weather21°C (71°F)41 mm (1.6 inches)76%very high

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