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September Weather in An Chau, Vietnam

Last updated: August 28, 2025

In September, the average temperature in An Chau, Vietnam hovers around 27°C (81°F), with a cozy minimum of 19°C (67°F) and a warm maximum of 35°C (95°F). Be prepared for some rain, as 296 mm (11.6 in) of precipitation can fall over 24 days. With an average humidity of 82%, you'll feel the warm, tropical embrace throughout your stay.

September Temperature in An Chau

In September in An Chau, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F) and minimums can be as low as 19°C (67°F). This pleasant climate makes An Chau an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates September temperature patterns in An Chau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In An Chau, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec626370748084838281757063
Data source: Temperature data for An 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 An Chau

In An Chau in September, the precipitation amount is 296 mm (11.6 in) over the course of 24 days.

September Precipitation Trends in An Chau

The chart displays monthly precipitation patterns in An 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 An Chau, September typically receives around 296 mm (11.6 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec303856972082723305162961874436
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in An Chau

In An Chau in September humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

September Average Humidity in An Chau

This chart illustrates the average monthly humidity levels in An 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 An Chau 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 An Chau

In An Chau 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 An Chau.

Maximum UV Index Levels in An Chau for September

The chart shows the monthly maximum UV Index (UVI) for An 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 An Chau typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313121313131197
Data source: An 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 An Chau Compares to Other Months

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

This table compares monthly weather conditions in An Chau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)30 mm (1.2 inches)66%very high
February Weather17°C (64°F)38 mm (1.5 inches)71%very high
March Weather21°C (70°F)56 mm (2.2 inches)69%extreme
April Weather23°C (74°F)97 mm (3.8 inches)64%extreme
May Weather27°C (80°F)208 mm (8.2 inches)73%extreme
June Weather29°C (84°F)272 mm (10.7 inches)81%extreme
July Weather28°C (83°F)330 mm (13.0 inches)90%extreme
August Weather28°C (82°F)516 mm (20.3 inches)89%extreme
September Weather27°C (81°F)296 mm (11.6 inches)82%extreme
October Weather24°C (75°F)187 mm (7.3 inches)77%extreme
November Weather21°C (70°F)43 mm (1.7 inches)72%very high
December Weather17°C (63°F)35 mm (1.4 inches)71%high

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