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September Weather in Van Quan, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Van Quan, Vietnam is a warm 26°C (80°F). Expect minimum temperatures around 19°C (67°F) and maximums soaring to 34°C (94°F). With an average humidity of 82% and 238 mm (9.4 in) of precipitation spread over 21 days, it's a month where the weather can be both inviting and unpredictable.

September Temperature in Van Quan

In September in Van Quan, the average temperature is 26°C (80°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 19°C (67°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Van Quan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Van Quan, September typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec596167727882828179736860
Data source: Temperature data for Van Quan 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 Van Quan

In Van Quan in September, the precipitation amount is 238 mm (9.4 in) over a period of 21 days.

September Precipitation Trends in Van Quan

The chart displays monthly precipitation patterns in Van Quan, 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 Van Quan, September typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec66691161332032992883912381804552
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Van Quan

In Van Quan in September, humidity is 82%. With an average temperature of 26°C (80°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities feel more exhausting and sweaty, which can be quite challenging for traveling.

September Average Humidity in Van Quan

This chart illustrates the average monthly humidity levels in Van Quan, 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 Van Quan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Van Quan

In Van Quan 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 Van Quan.

Maximum UV Index Levels in Van Quan for September

The chart shows the monthly maximum UV Index (UVI) for Van Quan 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 Van Quan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131313131197
Data source: Van Quan 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 Van Quan Compares to Other Months

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

This table compares monthly weather conditions in Van Quan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)66 mm (2.6 inches)66%very high
February Weather16°C (61°F)69 mm (2.7 inches)71%very high
March Weather20°C (68°F)116 mm (4.6 inches)69%extreme
April Weather22°C (72°F)133 mm (5.2 inches)64%extreme
May Weather26°C (78°F)203 mm (8.0 inches)73%extreme
June Weather28°C (82°F)299 mm (11.8 inches)81%extreme
July Weather28°C (82°F)288 mm (11.4 inches)90%extreme
August Weather27°C (81°F)391 mm (15.4 inches)89%extreme
September Weather26°C (80°F)238 mm (9.4 inches)82%extreme
October Weather23°C (73°F)180 mm (7.1 inches)77%extreme
November Weather20°C (68°F)45 mm (1.8 inches)72%very high
December Weather16°C (60°F)52 mm (2.0 inches)71%high

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