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September Weather in Tra On, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Tra On, Vietnam hovers around 27°C (82°F), offering a warm climate for visitors. Temperatures can vary, with a minimum of 24°C (76°F) and reaching up to a maximum of 34°C (93°F). However, be prepared for some rain, as the area experiences an average precipitation of 288 mm (11.3 in) over 28 days, accompanied by a high humidity of 85%.

September Temperature in Tra On

In September, in Tra On, the average temperature is 27°C (82°F). The maximum can reach 34°C (93°F), while the minimum can drop to 24°C (76°F). This pleasant climate makes Tra On an ideal destination for travelers seeking warm weather adventures.

September Weather in Tra On: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tra On, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tra On, September typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082848482828181818180
Data source: Temperature data for Tra On 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 Tra On

In Tra On in September, the precipitation amount is 288 mm (11.3 in) over the course of 28 days.

September Precipitation Trends in Tra On

The chart displays monthly precipitation patterns in Tra On, 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 Tra On, September typically receives around 288 mm (11.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec4019179320922226727628829818989
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tra On

In Tra On in September humidity is 85%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit more challenging and encouraging travelers to seek shade and stay hydrated.

September Average Humidity in Tra On

This chart illustrates the average monthly humidity levels in Tra On, 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 Tra On is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%75%76%78%80%82%83%85%85%83%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tra On

In Tra On 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 Tra On, you can check here.

Maximum UV Index Levels in Tra On for September

The chart shows the monthly maximum UV Index (UVI) for Tra On 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 Tra On typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416141413131414131110
Data source: Tra On 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 Tra On Compares to Other Months

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

This table compares monthly weather conditions in Tra On, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)40 mm (1.6 inches)77%extreme
February Weather27°C (80°F)19 mm (0.7 inches)75%extreme
March Weather28°C (83°F)17 mm (0.7 inches)76%extreme
April Weather29°C (84°F)93 mm (3.7 inches)78%extreme
May Weather29°C (84°F)209 mm (8.2 inches)80%extreme
June Weather28°C (83°F)222 mm (8.7 inches)82%extreme
July Weather28°C (82°F)267 mm (10.5 inches)83%extreme
August Weather27°C (82°F)276 mm (10.9 inches)85%extreme
September Weather27°C (82°F)288 mm (11.3 inches)85%extreme
October Weather27°C (81°F)298 mm (11.7 inches)83%extreme
November Weather27°C (81°F)189 mm (7.4 inches)86%extreme
December Weather26°C (80°F)89 mm (3.5 inches)85%very high

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