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September Weather in Quan Sau, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Quan Sau, Vietnam hovers around 28°C (82°F), with a minimum of 24°C (76°F) and a maximum reaching 35°C (94°F). Expect a fair amount of rain too, with 280 mm (11.0 in) of precipitation spread over 27 days, resulting in a high average humidity of 89%. Prepare for a warm and wet experience!

September Temperature in Quan Sau

In September in Quan Sau, the average temperature is 28°C (82°F). The maximum can reach 35°C (94°F), and the minimum can be as low as 24°C (76°F). It's a great time to visit for those who enjoy warm weather and outdoor activities.

September Weather in Quan Sau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Quan Sau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Quan Sau, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (94°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec818184858583828282828181
Data source: Temperature data for Quan Sau 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 Quan Sau

In Quan Sau, in September, the precipitation amount is 280 mm (11.0 in) spread across 27 days.

September Precipitation Trends in Quan Sau

The chart displays monthly precipitation patterns in Quan Sau, 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 Quan Sau, September typically receives around 280 mm (11.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec4415177418221126629728026816573
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Quan Sau

In Quan Sau in September humidity is 89%. With an average temperature of 28°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making every step feel slightly heavier and the air dense, which can be quite stifling for traveling.

September Average Humidity in Quan Sau

This chart illustrates the average monthly humidity levels in Quan Sau, 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 Quan Sau is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%58%61%80%87%89%90%89%87%87%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Quan Sau

In Quan Sau in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Quan Sau.

Maximum UV Index Levels in Quan Sau for September

The chart shows the monthly maximum UV Index (UVI) for Quan Sau 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 Quan Sau typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141412131413131110
Data source: Quan Sau 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 Quan Sau Compares to Other Months

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

This table compares monthly weather conditions in Quan Sau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)44 mm (1.7 inches)65%very high
February Weather27°C (81°F)15 mm (0.6 inches)61%extreme
March Weather29°C (84°F)17 mm (0.7 inches)58%extreme
April Weather29°C (85°F)74 mm (2.9 inches)60%extreme
May Weather29°C (85°F)182 mm (7.2 inches)80%extreme
June Weather28°C (84°F)211 mm (8.3 inches)87%extreme
July Weather28°C (83°F)266 mm (10.5 inches)89%extreme
August Weather28°C (82°F)297 mm (11.7 inches)90%extreme
September Weather28°C (82°F)280 mm (11.0 inches)89%extreme
October Weather28°C (82°F)268 mm (10.6 inches)87%extreme
November Weather27°C (82°F)165 mm (6.5 inches)87%extreme
December Weather27°C (81°F)73 mm (2.9 inches)80%very high

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