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September Weather in Hai Lang, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Hai Lang, Vietnam reaches a warm 29°C (84°F). However, be prepared for a range: minimums can drop to 24°C (75°F), while maximums soar to 37°C (99°F). Rain is also a factor, with precipitation totaling 278 mm (10.9 in) over 18 days and an average humidity level of 87%.

September Temperature in Hai Lang

In September in Hai Lang, the average temperature is 29°C (84°F), with maximums reaching up to 37°C (99°F) and minimums as low as 24°C (75°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor adventures.

September Weather in Hai Lang: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hai Lang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hai Lang, September typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (99°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec717176798488868684807772
Data source: Temperature data for Hai Lang 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 Hai Lang

In Hai Lang in September, the precipitation amount is 278 mm (10.9 in) during 18 days, indicating a relatively wet period for the region.

September Precipitation Trends in Hai Lang

The chart displays monthly precipitation patterns in Hai Lang, 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 Hai Lang, September typically receives around 278 mm (10.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1739162899446173111278605549333
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hai Lang

In Hai Lang in September, humidity is 87%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making traveling a challenge as you navigate the heavy, moist air that clings to your skin.

September Average Humidity in Hai Lang

This chart illustrates the average monthly humidity levels in Hai Lang, 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 Hai Lang 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 Hai Lang

In Hai Lang 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 Hai Lang.

Maximum UV Index Levels in Hai Lang for September

The chart shows the monthly maximum UV Index (UVI) for Hai Lang 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 Hai Lang typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121314141314141312108
Data source: Hai Lang 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 Hai Lang Compares to Other Months

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

This table compares monthly weather conditions in Hai Lang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)172 mm (6.8 inches)77%very high
February Weather22°C (72°F)91 mm (3.6 inches)73%extreme
March Weather24°C (76°F)62 mm (2.4 inches)64%extreme
April Weather26°C (79°F)89 mm (3.5 inches)60%extreme
May Weather29°C (84°F)94 mm (3.7 inches)73%extreme
June Weather31°C (88°F)46 mm (1.8 inches)82%extreme
July Weather30°C (87°F)173 mm (6.8 inches)90%extreme
August Weather30°C (87°F)111 mm (4.4 inches)92%extreme
September Weather29°C (84°F)278 mm (10.9 inches)87%extreme
October Weather27°C (80°F)604 mm (23.8 inches)85%extreme
November Weather25°C (77°F)549 mm (21.6 inches)84%very high
December Weather22°C (73°F)333 mm (13.1 inches)83%very high

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