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September Weather in Lam, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Lam, Vietnam is a warm 28°C (84°F). Expect comfortable evenings with a minimum temperature of 22°C (72°F), while daytime highs can reach up to 36°C (97°F). However, prepare for some wet days, as the region sees an average precipitation of 258 mm (10.2 in) over approximately 22 days, and keep hydrated with an average humidity of 82%.

September Temperature in Lam

In September in Lam, the average temperature is 28°C (84°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and outdoor activities.

September Weather in Lam: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lam, September typically has an average temperature of 28°C (84°F), with highs reaching up to 36°C (97°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec656672768388868583777366
Data source: Temperature data for Lam 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 Lam

In Lam in September, the precipitation amount is 258 mm (10.2 in) spread over 22 days.

September Precipitation Trends in Lam

The chart displays monthly precipitation patterns in Lam, 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 Lam, September typically receives around 258 mm (10.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec382649941571292963572582596637
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lam

In Lam in September, humidity is 82%. With an average temperature of 28°C (84°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel exhausting and sticky. Traveling in these conditions can be challenging, as the high humidity can sap your energy quickly and make sightseeing less enjoyable.

September Average Humidity in Lam

This chart illustrates the average monthly humidity levels in Lam, 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 Lam is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lam

In Lam 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 Lam.

Maximum UV Index Levels in Lam for September

The chart shows the monthly maximum UV Index (UVI) for Lam 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 Lam typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131314131197
Data source: Lam 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 Lam Compares to Other Months

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

This table compares monthly weather conditions in Lam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)38 mm (1.5 inches)66%very high
February Weather19°C (66°F)26 mm (1.0 inches)71%very high
March Weather22°C (72°F)49 mm (1.9 inches)69%extreme
April Weather24°C (76°F)94 mm (3.7 inches)64%extreme
May Weather28°C (83°F)157 mm (6.2 inches)73%extreme
June Weather31°C (88°F)129 mm (5.1 inches)81%extreme
July Weather30°C (87°F)296 mm (11.7 inches)90%extreme
August Weather29°C (85°F)357 mm (14.1 inches)89%extreme
September Weather28°C (84°F)258 mm (10.2 inches)82%extreme
October Weather25°C (78°F)259 mm (10.2 inches)77%extreme
November Weather23°C (73°F)66 mm (2.6 inches)72%very high
December Weather19°C (66°F)37 mm (1.5 inches)71%high

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