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September Weather in Nga Bay, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Nga Bay, Vietnam hovers around 27°C (81°F). Expect a range between a comfortable 24°C (76°F) and a warm 34°C (93°F). While you enjoy the warmth, keep in mind that the area experiences a significant precipitation amount of 326 mm (12.8 in) over approximately 28 days, accompanied by a high average humidity of 85%.

September Temperature in Nga Bay

In September in Nga Bay, the average temperature is 27°C (81°F), with maximums reaching 34°C (93°F) and minimums as low as 24°C (76°F). It's an ideal time for travelers to enjoy warm weather and outdoor activities.

September Weather in Nga Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nga Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nga Bay, 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 (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082848482828181818180
Data source: Temperature data for Nga Bay 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 Nga Bay

In Nga Bay in September, the precipitation amount is 326 mm (12.8 in) over the course of 28 days.

September Precipitation Trends in Nga Bay

The chart displays monthly precipitation patterns in Nga Bay, 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 Nga Bay, September typically receives around 326 mm (12.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec4418239021425227229432631218894
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nga Bay

In Nga Bay 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 Nga Bay

This chart illustrates the average monthly humidity levels in Nga Bay, 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 Nga Bay 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 Nga Bay

In Nga Bay 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 Nga Bay, you can check here.

Maximum UV Index Levels in Nga Bay for September

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

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

This table compares monthly weather conditions in Nga Bay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)44 mm (1.7 inches)77%extreme
February Weather27°C (80°F)18 mm (0.7 inches)75%extreme
March Weather28°C (83°F)23 mm (0.9 inches)76%extreme
April Weather29°C (84°F)90 mm (3.5 inches)78%extreme
May Weather29°C (84°F)214 mm (8.4 inches)80%extreme
June Weather28°C (83°F)252 mm (9.9 inches)82%extreme
July Weather28°C (82°F)272 mm (10.7 inches)83%extreme
August Weather27°C (82°F)293 mm (11.6 inches)85%extreme
September Weather27°C (81°F)326 mm (12.8 inches)85%extreme
October Weather27°C (81°F)312 mm (12.3 inches)83%extreme
November Weather27°C (81°F)188 mm (7.4 inches)86%extreme
December Weather27°C (80°F)94 mm (3.7 inches)85%extreme

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