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September Weather in Yen Phu, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Yen Phu, Vietnam hovers around 25°C (78°F). Daily temperatures can range from a minimum of 16°C (62°F) to a sweltering maximum of 34°C (94°F). Expect 198 mm (7.8 in) of rain over approximately 23 days, contributing to an average humidity of 76%. Prepare for a warm and humid month ahead!

September Temperature in Yen Phu

In September in Yen Phu, the average temperature is 25°C (78°F), with maximums reaching 34°C (94°F) and minimums dipping as low as 16°C (62°F). This pleasant climate makes Yen Phu an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Yen Phu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yen Phu, September typically has an average temperature of 25°C (78°F), with highs reaching up to 34°C (94°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec596067717780797978726659
Data source: Temperature data for Yen Phu 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 Yen Phu

In Yen Phu in September, the precipitation amount is 198 mm (7.8 in) over the course of 23 days.

September Precipitation Trends in Yen Phu

The chart displays monthly precipitation patterns in Yen Phu, 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 Yen Phu, September typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec89851571672363353343541981708659
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yen Phu

In Yen Phu in September humidity is 76%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick, causing travelers to seek shade and refreshment more often.

September Average Humidity in Yen Phu

This chart illustrates the average monthly humidity levels in Yen Phu, 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 Yen Phu is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%66%66%60%77%85%90%90%76%71%69%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yen Phu

In Yen Phu 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 Yen Phu.

Maximum UV Index Levels in Yen Phu for September

The chart shows the monthly maximum UV Index (UVI) for Yen Phu 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 Yen Phu typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121214131414131197
Data source: Yen Phu 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 Yen Phu Compares to Other Months

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

This table compares monthly weather conditions in Yen Phu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)89 mm (3.5 inches)59%very high
February Weather16°C (61°F)85 mm (3.4 inches)66%very high
March Weather20°C (67°F)157 mm (6.2 inches)66%extreme
April Weather22°C (72°F)167 mm (6.6 inches)60%extreme
May Weather25°C (77°F)236 mm (9.3 inches)77%extreme
June Weather27°C (80°F)335 mm (13.2 inches)85%extreme
July Weather26°C (80°F)334 mm (13.2 inches)90%extreme
August Weather26°C (80°F)354 mm (14.0 inches)90%extreme
September Weather25°C (78°F)198 mm (7.8 inches)76%extreme
October Weather22°C (72°F)170 mm (6.7 inches)71%extreme
November Weather19°C (67°F)85 mm (3.4 inches)69%very high
December Weather15°C (59°F)58 mm (2.3 inches)66%high

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