September Weather in Anh Son, Vietnam

Last updated: August 28, 2025

In Anh Son, Vietnam, the average temperature in September reaches a warm 27°C (81°F). Expect it to vary between a comfortable 20°C (69°F) and a sizzling 36°C (97°F). Be prepared for some rain, with an average precipitation amount of 299 mm (11.8 in) spread over 20 days. The weather tends to be quite humid, with an average humidity level of 85%.

September Temperature in Anh Son

In September in Anh Son, the average temperature is 27°C (81°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 20°C (69°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor adventures.

September Weather in Anh Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Anh Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anh Son, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec646572768286848381757164
Data source: Temperature data for Anh Son 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 Anh Son

In Anh Son in September, the total precipitation amount is 299 mm (11.8 in) recorded over a span of 20 days.

September Precipitation Trends in Anh Son

The chart displays monthly precipitation patterns in Anh Son, 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 Anh Son, September typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec6661100179193104262313299413128100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Anh Son

In Anh Son in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

September Average Humidity in Anh Son

This chart illustrates the average monthly humidity levels in Anh Son, 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 Anh Son is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%54%47%67%81%92%93%85%78%73%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Anh Son

In Anh Son 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 Anh Son, you can check here.

Maximum UV Index Levels in Anh Son for September

The chart shows the monthly maximum UV Index (UVI) for Anh Son 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 Anh Son typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131414141298
Data source: Anh Son 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 Anh Son Compares to Other Months

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

This table compares monthly weather conditions in Anh Son, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)66 mm (2.6 inches)65%very high
February Weather18°C (65°F)61 mm (2.4 inches)63%extreme
March Weather22°C (73°F)100 mm (3.9 inches)54%extreme
April Weather25°C (76°F)179 mm (7.1 inches)47%extreme
May Weather28°C (82°F)193 mm (7.6 inches)67%extreme
June Weather30°C (86°F)104 mm (4.1 inches)81%extreme
July Weather29°C (85°F)262 mm (10.3 inches)92%extreme
August Weather28°C (83°F)313 mm (12.3 inches)93%extreme
September Weather27°C (81°F)299 mm (11.8 inches)85%extreme
October Weather24°C (75°F)413 mm (16.3 inches)78%extreme
November Weather21°C (71°F)128 mm (5.0 inches)73%very high
December Weather18°C (64°F)100 mm (3.9 inches)69%very high

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