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September Weather in Hung Yen, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Hung Yen, Vietnam is a warm 29°C (84°F). Expect a minimum of 22°C (72°F) and a maximum of 37°C (99°F). During this period, the region experiences 249 mm (9.8 in) of precipitation over 22 days, contributing to a high average humidity of 82%. 🌦️

September Temperature in Hung Yen

In September in Hung Yen, the average temperature is 29°C (84°F). Maximums can reach 37°C (99°F), while minimums can be as low as 22°C (72°F). This warm weather makes Hung Yen an ideal destination for travelers seeking sun and warmth during this time of year.

September Weather in Hung Yen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hung Yen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hung Yen, 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 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec656672768388868584777366
Data source: Temperature data for Hung Yen 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 Hung Yen

In Hung Yen in September, the precipitation amount is 249 mm (9.8 in) over the course of 22 days.

September Precipitation Trends in Hung Yen

The chart displays monthly precipitation patterns in Hung Yen, 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 Hung Yen, September typically receives around 249 mm (9.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec4133571041651752853772502605039
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hung Yen

In Hung Yen in September humidity is 82%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making sightseeing ventures feel more exhausting and requiring frequent breaks to stay hydrated.

September Average Humidity in Hung Yen

This chart illustrates the average monthly humidity levels in Hung Yen, 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 Hung Yen is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hung Yen

In Hung Yen 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 Hung Yen.

Maximum UV Index Levels in Hung Yen for September

The chart shows the monthly maximum UV Index (UVI) for Hung Yen 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 Hung Yen typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213121313131197
Data source: Hung Yen 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 Hung Yen Compares to Other Months

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

This table compares monthly weather conditions in Hung Yen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)41 mm (1.6 inches)66%high
February Weather19°C (66°F)33 mm (1.3 inches)71%very high
March Weather22°C (73°F)57 mm (2.2 inches)69%extreme
April Weather25°C (77°F)104 mm (4.1 inches)64%extreme
May Weather28°C (83°F)165 mm (6.5 inches)73%extreme
June Weather31°C (88°F)175 mm (6.9 inches)81%extreme
July Weather30°C (87°F)285 mm (11.2 inches)90%extreme
August Weather29°C (85°F)377 mm (14.8 inches)89%extreme
September Weather29°C (84°F)249 mm (9.8 inches)82%extreme
October Weather25°C (78°F)260 mm (10.2 inches)77%extreme
November Weather23°C (73°F)50 mm (2.0 inches)72%very high
December Weather19°C (66°F)39 mm (1.5 inches)71%high

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