nomadseason

September Weather in Vi Thanh, Vietnam

Last updated: August 28, 2025

In Vi Thanh, Vietnam, the average temperature in September is a warm 27°C (81°F), with daily fluctuations ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F). Expect considerable precipitation, totaling 323 mm (12.7 in) over 28 days, and high humidity levels at 85%. Prepare for a tropical experience!

September Temperature in Vi Thanh

In September in Vi Thanh, the average temperature is 27°C (81°F). The maximum can reach 34°C (93°F), while the minimum can drop to 24°C (75°F). This makes Vi Thanh an ideal destination for travelers seeking warm weather and sunny days.

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

The chart illustrates September temperature patterns in Vi Thanh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vi Thanh, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec798083848382828281818180
Data source: Temperature data for Vi Thanh generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Vi Thanh

In Vi Thanh in September, the total precipitation amount is 323 mm (12.7 in) over the course of 28 days.

September Precipitation Trends in Vi Thanh

The chart displays monthly precipitation patterns in Vi 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 Vi Thanh, September typically receives around 323 mm (12.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec49212811424825827128532331719192
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Vi Thanh

In Vi Thanh 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 Vi Thanh

This chart illustrates the average monthly humidity levels in Vi 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 Vi Thanh 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 Vi Thanh

In Vi 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 Vi Thanh, you can check here.

Maximum UV Index Levels in Vi Thanh for September

The chart shows the monthly maximum UV Index (UVI) for Vi 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 Vi Thanh typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416141413131414131111
Data source: Vi 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 Vi Thanh Compares to Other Months

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

This table compares monthly weather conditions in Vi Thanh, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)49 mm (1.9 inches)77%extreme
February Weather27°C (80°F)20 mm (0.8 inches)75%extreme
March Weather28°C (83°F)28 mm (1.1 inches)76%extreme
April Weather29°C (84°F)114 mm (4.5 inches)78%extreme
May Weather29°C (84°F)248 mm (9.8 inches)80%extreme
June Weather28°C (83°F)258 mm (10.2 inches)82%extreme
July Weather28°C (82°F)271 mm (10.7 inches)83%extreme
August Weather28°C (82°F)285 mm (11.2 inches)85%extreme
September Weather27°C (81°F)323 mm (12.7 inches)85%extreme
October Weather27°C (81°F)317 mm (12.5 inches)83%extreme
November Weather27°C (81°F)191 mm (7.5 inches)86%extreme
December Weather26°C (80°F)92 mm (3.6 inches)85%extreme

Compare Vi Thanh's Climate with Cities Worldwide