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September Weather in Hai Rieng, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Hai Rieng, Vietnam is a warm 28°C (82°F), with temperatures ranging from a comfortable 23°C (74°F) to a sizzling 37°C (98°F). Expect approximately 148 mm (5.8 in) of precipitation spread over 23 days, contributing to an average humidity of 88%. Stay prepared for both the heat and the occasional rain!

September Temperature in Hai Rieng

In September in Hai Rieng, the average temperature is 28°C (82°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 23°C (74°F). It's an ideal time for travelers seeking warm weather and vibrant activities.

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

The chart illustrates September temperature patterns in Hai Rieng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hai Rieng, September typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (98°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec737378808384848482797773
Data source: Temperature data for Hai Rieng 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 Rieng

In Hai Rieng in September, the precipitation amount is 148 mm (5.8 in) spread over 23 days.

September Precipitation Trends in Hai Rieng

The chart displays monthly precipitation patterns in Hai Rieng, 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 Rieng, September typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec12268397414410210098148264456273
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hai Rieng

In Hai Rieng in September humidity is 88%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, heavy blanket that clings to your skin, making even the simplest activities feel exhausting and necessitating frequent breaks in the shade.

September Average Humidity in Hai Rieng

This chart illustrates the average monthly humidity levels in Hai Rieng, 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 Rieng is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%75%72%78%85%84%87%88%89%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hai Rieng

In Hai Rieng 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 Hai Rieng, you can check here.

Maximum UV Index Levels in Hai Rieng for September

The chart shows the monthly maximum UV Index (UVI) for Hai Rieng 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 Rieng typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111316161513141414131110
Data source: Hai Rieng 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 Rieng Compares to Other Months

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

This table compares monthly weather conditions in Hai Rieng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)122 mm (4.8 inches)84%extreme
February Weather23°C (73°F)68 mm (2.7 inches)79%extreme
March Weather25°C (78°F)39 mm (1.5 inches)75%extreme
April Weather27°C (80°F)74 mm (2.9 inches)72%extreme
May Weather28°C (83°F)144 mm (5.7 inches)77%extreme
June Weather29°C (84°F)102 mm (4.0 inches)85%extreme
July Weather29°C (84°F)100 mm (3.9 inches)84%extreme
August Weather29°C (84°F)98 mm (3.8 inches)87%extreme
September Weather28°C (82°F)148 mm (5.8 inches)88%extreme
October Weather26°C (79°F)264 mm (10.4 inches)89%extreme
November Weather25°C (77°F)456 mm (17.9 inches)91%extreme
December Weather23°C (74°F)272 mm (10.7 inches)89%very high

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