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September Weather in Ba Don, Vietnam

Last updated: August 28, 2025

In Ba Don, Vietnam, the average temperature in September hovers around 28°C (83°F), with lows dipping to 24°C (76°F) and highs reaching up to 34°C (93°F). Prepare for a wet month, as precipitation amounts can total 425 mm (16.7 in) over approximately 19 days. With an average humidity level of 87%, expect a tropical atmosphere that enhances the warmth!

September Temperature in Ba Don

In September in Ba Don, the average temperature is 28°C (83°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 24°C (76°F). This climate makes Ba Don an ideal destination for travelers seeking warm and pleasant weather.

September Weather in Ba Don: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ba Don, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ba Don, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec686973778286848483797570
Data source: Temperature data for Ba Don 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 Ba Don

In Ba Don in September, the total precipitation amount is 425 mm (16.7 in) spread over a duration of 19 days.

September Precipitation Trends in Ba Don

The chart displays monthly precipitation patterns in Ba Don, 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 Ba Don, September typically receives around 425 mm (16.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1407879858849222152425711346243
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ba Don

In Ba Don in September humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

September Average Humidity in Ba Don

This chart illustrates the average monthly humidity levels in Ba Don, 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 Ba Don is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%64%60%73%82%90%92%87%85%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ba Don

In Ba Don 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 Ba Don.

Maximum UV Index Levels in Ba Don for September

The chart shows the monthly maximum UV Index (UVI) for Ba Don 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 Ba Don typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141314141312108
Data source: Ba Don 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 Ba Don Compares to Other Months

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

This table compares monthly weather conditions in Ba Don, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)140 mm (5.5 inches)77%very high
February Weather20°C (69°F)78 mm (3.1 inches)73%extreme
March Weather23°C (74°F)79 mm (3.1 inches)64%extreme
April Weather25°C (77°F)85 mm (3.3 inches)60%extreme
May Weather28°C (82°F)88 mm (3.5 inches)73%extreme
June Weather30°C (86°F)49 mm (1.9 inches)82%extreme
July Weather29°C (85°F)222 mm (8.7 inches)90%extreme
August Weather29°C (85°F)152 mm (6.0 inches)92%extreme
September Weather28°C (83°F)425 mm (16.7 inches)87%extreme
October Weather26°C (79°F)711 mm (28.0 inches)85%extreme
November Weather24°C (75°F)346 mm (13.6 inches)84%very high
December Weather21°C (70°F)243 mm (9.6 inches)83%very high

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