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September Weather in Phu Ly, Vietnam

Last updated: August 28, 2025

In Phu Ly, Vietnam, the average temperature in September is a warm 28°C (84°F), with minimums dipping to 22°C (72°F) and maximums soaring to 36°C (98°F). Expect a fair amount of rain, with 255 mm (10.1 in) of precipitation spread over 22 days. Humidity levels hover around a tropical 82%, making it a cozy yet potentially steamy month!

September Temperature in Phu Ly

In September in Phu Ly, the average temperature is 28°C (84°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 22°C (72°F). This warm climate makes Phu Ly an ideal destination for travelers seeking sun-soaked adventures and outdoor activities.

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

The chart illustrates September temperature patterns in Phu Ly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Ly, September typically has an average temperature of 28°C (84°F), with highs reaching up to 36°C (98°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec656672768388868583777366
Data source: Temperature data for Phu Ly 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 Phu Ly

In Phu Ly in September, the total precipitation amount is 255 mm (10.1 in) over the course of 22 days.

September Precipitation Trends in Phu Ly

The chart displays monthly precipitation patterns in Phu Ly, 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 Phu Ly, September typically receives around 255 mm (10.1 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec403155981551512943672552595739
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phu Ly

In Phu Ly in September, humidity is 82%. With an average temperature of 28°C (84°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel exhausting and sticky. Traveling in these conditions can be challenging, as the high humidity can sap your energy quickly and make sightseeing less enjoyable.

September Average Humidity in Phu Ly

This chart illustrates the average monthly humidity levels in Phu Ly, 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 Phu Ly 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 Phu Ly

In Phu Ly 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 Phu Ly.

Maximum UV Index Levels in Phu Ly for September

The chart shows the monthly maximum UV Index (UVI) for Phu Ly 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 Phu Ly typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131314131197
Data source: Phu Ly 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 Phu Ly Compares to Other Months

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

This table compares monthly weather conditions in Phu Ly, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)40 mm (1.6 inches)66%very high
February Weather19°C (66°F)31 mm (1.2 inches)71%very high
March Weather22°C (73°F)55 mm (2.1 inches)69%extreme
April Weather25°C (77°F)98 mm (3.8 inches)64%extreme
May Weather28°C (83°F)155 mm (6.1 inches)73%extreme
June Weather31°C (88°F)151 mm (6.0 inches)81%extreme
July Weather30°C (87°F)293 mm (11.6 inches)90%extreme
August Weather29°C (85°F)367 mm (14.5 inches)89%extreme
September Weather28°C (84°F)255 mm (10.1 inches)82%extreme
October Weather25°C (77°F)259 mm (10.2 inches)77%extreme
November Weather23°C (73°F)57 mm (2.2 inches)72%very high
December Weather19°C (66°F)39 mm (1.5 inches)71%high

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