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September Weather in Chon Thanh, Vietnam

Last updated: August 28, 2025

In Chon Thanh, Vietnam, the average temperature in September is a warm 27°C (81°F). Visitors can expect a minimum of 23°C (74°F) and highs reaching 35°C (94°F). This tropical setting is complemented by significant precipitation, averaging 324 mm (12.7 in) over 28 days, and a high humidity level of 89%. Prepare for a warm and humid experience!

September Temperature in Chon Thanh

In September in Chon Thanh, the average temperature is 27°C (81°F). Maximums can reach 35°C (94°F), while minimums can drop to as low as 23°C (74°F). This makes for pleasant and warm weather, perfect for outdoor activities and sightseeing.

September Weather in Chon Thanh: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chon Thanh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chon Thanh, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (94°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec828384848482818181818180
Data source: Temperature data for Chon Thanh 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 Chon Thanh

In Chon Thanh in September, the total precipitation amount is 324 mm (12.7 in) accumulated over 28 days.

September Precipitation Trends in Chon Thanh

The chart displays monthly precipitation patterns in Chon Thanh, 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 Chon Thanh, September typically receives around 324 mm (12.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec25113611720127033433032428317054
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chon Thanh

In Chon Thanh in September humidity is 89%. With an average temperature of 27°C (81°F), this humidity feels like a wet blanket enveloping you, making outdoor activities challenging and travel a little less comfortable.

September Average Humidity in Chon Thanh

This chart illustrates the average monthly humidity levels in Chon Thanh, 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 Chon Thanh 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 Chon Thanh

In Chon Thanh 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 Chon Thanh, you can check here.

Maximum UV Index Levels in Chon Thanh for September

The chart shows the monthly maximum UV Index (UVI) for Chon Thanh 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 Chon Thanh typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416151413141514131110
Data source: Chon Thanh 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 Chon Thanh Compares to Other Months

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

This table compares monthly weather conditions in Chon Thanh, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)25 mm (1.0 inches)65%extreme
February Weather28°C (83°F)11 mm (0.4 inches)61%extreme
March Weather29°C (85°F)36 mm (1.4 inches)58%extreme
April Weather29°C (85°F)117 mm (4.6 inches)60%extreme
May Weather29°C (84°F)201 mm (7.9 inches)80%extreme
June Weather28°C (83°F)269 mm (10.6 inches)87%extreme
July Weather27°C (82°F)334 mm (13.2 inches)89%extreme
August Weather27°C (81°F)330 mm (13.0 inches)90%extreme
September Weather27°C (81°F)324 mm (12.7 inches)89%extreme
October Weather27°C (81°F)283 mm (11.1 inches)87%extreme
November Weather27°C (81°F)170 mm (6.7 inches)87%extreme
December Weather27°C (81°F)54 mm (2.1 inches)80%very high

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