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September Weather in An Phu, Vietnam

Last updated: August 28, 2025

In An Phu, Vietnam, the average temperature in September hovers around 28°C (82°F). Daily highs can reach up to 35°C (95°F), while lows dip to a mild 24°C (76°F). This month brings significant rain, with an average precipitation of 282 mm (11.1 in) spread over 28 days. Humidity levels are high, averaging at 87%, creating a warm and damp atmosphere.

September Temperature in An Phu

In September in An Phu, the average temperature is 28°C (82°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 24°C (76°F). This warm and pleasant weather makes An Phu an ideal destination for travelers seeking enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in An Phu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In An Phu, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808184858483838282828280
Data source: Temperature data for An 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 An Phu

In An Phu in September, the precipitation amount is 282 mm (11.1 in) over a period of 28 days.

September Precipitation Trends in An Phu

The chart displays monthly precipitation patterns in An 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 An Phu, September typically receives around 282 mm (11.1 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec29143213218920925925228229714763
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in An Phu

In An Phu in September humidity is 87%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket wrapping around you, making travel challenging as you navigate the air's heavy moisture.

September Average Humidity in An Phu

This chart illustrates the average monthly humidity levels in An 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 An Phu is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%61%61%67%78%84%86%88%87%85%84%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in An Phu

In An Phu 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 An Phu, you can check here.

Maximum UV Index Levels in An Phu for September

The chart shows the monthly maximum UV Index (UVI) for An 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 An Phu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415151413141414131111
Data source: An 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 An Phu Compares to Other Months

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

This table compares monthly weather conditions in An Phu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)29 mm (1.1 inches)62%very high
February Weather27°C (81°F)14 mm (0.6 inches)61%extreme
March Weather29°C (84°F)32 mm (1.3 inches)61%extreme
April Weather29°C (85°F)132 mm (5.2 inches)67%extreme
May Weather29°C (85°F)189 mm (7.4 inches)78%extreme
June Weather29°C (84°F)209 mm (8.2 inches)84%extreme
July Weather28°C (83°F)259 mm (10.2 inches)86%extreme
August Weather28°C (83°F)252 mm (9.9 inches)88%extreme
September Weather28°C (82°F)282 mm (11.1 inches)87%extreme
October Weather28°C (82°F)297 mm (11.7 inches)84%extreme
November Weather28°C (82°F)146 mm (5.8 inches)84%extreme
December Weather27°C (81°F)63 mm (2.5 inches)76%extreme

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