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September Weather in Dien Chau, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Dien Chau, Vietnam hovers around 29°C (84°F), providing a warm, inviting atmosphere. However, be prepared for minimum temperatures dipping to 22°C (72°F) and occasional highs reaching 37°C (99°F). During this month, you can expect about 269 mm (10.6 in) of precipitation over 20 days, maintaining an average humidity level of 84%. So, pack your umbrella and enjoy the tropical vibes!

September Temperature in Dien Chau

In September in Dien Chau, the average temperature is 29°C (84°F). Maximums can reach 37°C (99°F), while minimums can be as low as 22°C (72°F). This warm weather makes Dien Chau an ideal destination for travelers seeking sun and warmth during this time of year.

September Weather in Dien Chau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dien Chau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dien Chau, September typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec676874788490888684787367
Data source: Temperature data for Dien Chau 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 Dien Chau

In Dien Chau, in September, the total precipitation amount is 269 mm (10.6 in) spread over a duration of 20 days.

September Precipitation Trends in Dien Chau

The chart displays monthly precipitation patterns in Dien Chau, 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 Dien Chau, September typically receives around 269 mm (10.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec26213983111872722742693168046
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dien Chau

In Dien Chau in September, humidity is 84%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel sticky and somewhat stifling, yet invigorating, as every step is accompanied by a gentle, humid embrace.

September Average Humidity in Dien Chau

This chart illustrates the average monthly humidity levels in Dien Chau, 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 Dien Chau is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%74%70%78%82%90%90%84%81%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dien Chau

In Dien Chau 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 Dien Chau, you can check here.

Maximum UV Index Levels in Dien Chau for September

The chart shows the monthly maximum UV Index (UVI) for Dien Chau 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 Dien Chau typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414141297
Data source: Dien Chau 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 Dien Chau Compares to Other Months

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

This table compares monthly weather conditions in Dien Chau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)26 mm (1.0 inches)74%very high
February Weather20°C (68°F)21 mm (0.8 inches)77%very high
March Weather23°C (74°F)39 mm (1.5 inches)74%extreme
April Weather26°C (79°F)83 mm (3.3 inches)70%extreme
May Weather29°C (85°F)111 mm (4.4 inches)78%extreme
June Weather32°C (90°F)87 mm (3.4 inches)82%extreme
July Weather31°C (88°F)272 mm (10.7 inches)90%extreme
August Weather30°C (86°F)274 mm (10.8 inches)90%extreme
September Weather29°C (84°F)269 mm (10.6 inches)84%extreme
October Weather26°C (78°F)316 mm (12.4 inches)81%extreme
November Weather23°C (74°F)80 mm (3.1 inches)78%very high
December Weather20°C (68°F)46 mm (1.8 inches)78%high

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