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September Weather in Thoi Lai, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Thoi Lai, Vietnam is a warm 28°C (82°F), with a minimum of 24°C (76°F) and a maximum reaching 34°C (94°F). Be prepared for ample rainfall, as 305 mm (12.0 in) of precipitation typically falls over 27 days. Don't forget to stay hydrated, as the average humidity hovers around 85%!

September Temperature in Thoi Lai

In September in Thoi Lai, the average temperature is 28°C (82°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 24°C (76°F). This warm weather makes it an ideal time for traveling and enjoying outdoor activities in Thoi Lai.

September Weather in Thoi Lai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Thoi Lai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thoi Lai, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec798083848482828282818180
Data source: Temperature data for Thoi Lai 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 Thoi Lai

In Thoi Lai in September, the total precipitation amount is 305 mm (12.0 in) over the course of 27 days.

September Precipitation Trends in Thoi Lai

The chart displays monthly precipitation patterns in Thoi Lai, 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 Thoi Lai, September typically receives around 305 mm (12.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec48212911121925227627330528816683
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thoi Lai

In Thoi Lai in September humidity is 85%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty endeavor and requiring frequent breaks to stay refreshed.

September Average Humidity in Thoi Lai

This chart illustrates the average monthly humidity levels in Thoi Lai, 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 Thoi Lai 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 Thoi Lai

In Thoi Lai 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 Thoi Lai, you can check here.

Maximum UV Index Levels in Thoi Lai for September

The chart shows the monthly maximum UV Index (UVI) for Thoi Lai 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 Thoi Lai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413131414131110
Data source: Thoi Lai 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 Thoi Lai Compares to Other Months

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

This table compares monthly weather conditions in Thoi Lai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)48 mm (1.9 inches)77%very high
February Weather27°C (80°F)21 mm (0.8 inches)75%extreme
March Weather28°C (83°F)29 mm (1.1 inches)76%extreme
April Weather29°C (84°F)111 mm (4.4 inches)78%extreme
May Weather29°C (84°F)219 mm (8.6 inches)80%extreme
June Weather28°C (83°F)252 mm (9.9 inches)82%extreme
July Weather28°C (82°F)276 mm (10.8 inches)83%extreme
August Weather28°C (82°F)273 mm (10.8 inches)85%extreme
September Weather28°C (82°F)305 mm (12.0 inches)85%extreme
October Weather27°C (82°F)288 mm (11.3 inches)83%extreme
November Weather27°C (82°F)166 mm (6.5 inches)86%extreme
December Weather27°C (80°F)83 mm (3.3 inches)85%very high

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