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September Weather in Ngoc Lac, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Ngoc Lac, Vietnam hovers around 27°C (80°F). Expect a comfortable minimum of 19°C (67°F), while the maximum can reach a warm 35°C (95°F). Be prepared for plenty of rain, with 253 mm (9.9 in) of precipitation spread across 23 days. With an average humidity of 84%, it's a month that truly embraces the tropical vibe.

September Temperature in Ngoc Lac

In September in Ngoc Lac, the average temperature is 27°C (80°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 19°C (67°F). This makes Ngoc Lac an ideal destination for travelers seeking warm weather and sunny days during this time of year.

September Weather in Ngoc Lac: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ngoc Lac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ngoc Lac, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec636471758084828280757063
Data source: Temperature data for Ngoc Lac 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 Ngoc Lac

In Ngoc Lac in September, the total precipitation amount reaches 253 mm (9.9 in) over the course of 23 days.

September Precipitation Trends in Ngoc Lac

The chart displays monthly precipitation patterns in Ngoc Lac, 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 Ngoc Lac, September typically receives around 253 mm (9.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec5749811702531653434272532927959
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ngoc Lac

In Ngoc Lac in September, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

September Average Humidity in Ngoc Lac

This chart illustrates the average monthly humidity levels in Ngoc Lac, 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 Ngoc Lac is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%74%70%78%82%90%90%84%81%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ngoc Lac

In Ngoc Lac 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 Ngoc Lac, you can check here.

Maximum UV Index Levels in Ngoc Lac for September

The chart shows the monthly maximum UV Index (UVI) for Ngoc Lac 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 Ngoc Lac typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131314131414141297
Data source: Ngoc Lac 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 Ngoc Lac Compares to Other Months

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

This table compares monthly weather conditions in Ngoc Lac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)57 mm (2.3 inches)74%very high
February Weather18°C (64°F)49 mm (1.9 inches)77%very high
March Weather22°C (71°F)81 mm (3.2 inches)74%extreme
April Weather24°C (75°F)169 mm (6.7 inches)70%extreme
May Weather27°C (80°F)253 mm (10.0 inches)78%extreme
June Weather29°C (84°F)165 mm (6.5 inches)82%extreme
July Weather28°C (83°F)343 mm (13.5 inches)90%extreme
August Weather28°C (82°F)427 mm (16.8 inches)90%extreme
September Weather27°C (80°F)253 mm (9.9 inches)84%extreme
October Weather24°C (75°F)292 mm (11.5 inches)81%extreme
November Weather21°C (70°F)79 mm (3.1 inches)78%very high
December Weather17°C (63°F)59 mm (2.3 inches)78%high

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