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September Weather in Lai Thieu, Vietnam

Last updated: August 28, 2025

The average temperature in Lai Thieu, Vietnam during September is a warm 28°C (82°F). Expect temperatures to range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F). With an average precipitation of 286 mm (11.3 in) spread over 27 days, you might want to pack an umbrella! Additionally, the average humidity is a high 89%, making it feel even warmer and more tropical.

September Temperature in Lai Thieu

In September in Lai Thieu, the average temperature is 28°C (82°F). Maximum temperatures can reach 34°C (94°F), while the minimum can drop to as low as 24°C (75°F). This makes Lai Thieu an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Lai Thieu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lai Thieu, 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 (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec818284858483828282818181
Data source: Temperature data for Lai Thieu 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 Lai Thieu

In Lai Thieu in September, the precipitation amount is 286 mm (11.3 in) over the course of 27 days.

September Precipitation Trends in Lai Thieu

The chart displays monthly precipitation patterns in Lai Thieu, 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 Lai Thieu, September typically receives around 286 mm (11.3 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec3812168519022329831328626616256
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lai Thieu

In Lai Thieu in September humidity is 89%. With an average temperature of 28°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making every step feel slightly heavier and the air dense, which can be quite stifling for traveling.

September Average Humidity in Lai Thieu

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

In Lai Thieu in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Lai Thieu.

Maximum UV Index Levels in Lai Thieu for September

The chart shows the monthly maximum UV Index (UVI) for Lai Thieu 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 Lai Thieu typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415151413141413121110
Data source: Lai Thieu 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 Lai Thieu Compares to Other Months

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

This table compares monthly weather conditions in Lai Thieu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)38 mm (1.5 inches)65%very high
February Weather28°C (82°F)12 mm (0.5 inches)61%extreme
March Weather29°C (84°F)16 mm (0.6 inches)58%extreme
April Weather29°C (85°F)85 mm (3.4 inches)60%extreme
May Weather29°C (85°F)190 mm (7.5 inches)80%extreme
June Weather28°C (83°F)223 mm (8.8 inches)87%extreme
July Weather28°C (82°F)298 mm (11.7 inches)89%extreme
August Weather28°C (82°F)313 mm (12.3 inches)90%extreme
September Weather28°C (82°F)286 mm (11.3 inches)89%extreme
October Weather27°C (82°F)266 mm (10.5 inches)87%extreme
November Weather27°C (82°F)162 mm (6.4 inches)87%extreme
December Weather27°C (81°F)56 mm (2.2 inches)80%very high

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