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September Weather in Phong Dien, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Phong Dien, Vietnam hovers around 27°C (81°F), with a minimum of 21°C (71°F) and a maximum reaching 36°C (96°F). Expect 310 mm (12.2 in) of precipitation spread over 25 days, coupled with a high average humidity of 87%. Perfect for those who love a warm, tropical climate!

September Temperature in Phong Dien

In September in Phong Dien, the average temperature is 27°C (81°F), with maximums reaching 36°C (96°F) and minimums dipping as low as 21°C (71°F). It’s an ideal time for travelers seeking warm weather and plenty of sunshine.

September Weather in Phong Dien: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Phong Dien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phong Dien, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (96°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec697075788285848481777469
Data source: Temperature data for Phong Dien 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 Phong Dien

In Phong Dien in September, the precipitation amount is 310 mm (12.2 in) spread over 25 days.

September Precipitation Trends in Phong Dien

The chart displays monthly precipitation patterns in Phong Dien, 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 Phong Dien, September typically receives around 310 mm (12.2 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec202116127205253129227176310631664401
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phong Dien

In Phong Dien in September, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

September Average Humidity in Phong Dien

This chart illustrates the average monthly humidity levels in Phong Dien, 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 Phong Dien is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%64%60%73%82%90%92%87%85%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Phong Dien

In Phong Dien 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 Phong Dien.

Maximum UV Index Levels in Phong Dien for September

The chart shows the monthly maximum UV Index (UVI) for Phong Dien 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 Phong Dien typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141414141312109
Data source: Phong Dien 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 Phong Dien Compares to Other Months

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

This table compares monthly weather conditions in Phong Dien, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)202 mm (8.0 inches)77%very high
February Weather21°C (70°F)116 mm (4.5 inches)73%extreme
March Weather24°C (76°F)127 mm (5.0 inches)64%extreme
April Weather26°C (78°F)205 mm (8.1 inches)60%extreme
May Weather28°C (82°F)253 mm (9.9 inches)73%extreme
June Weather29°C (85°F)129 mm (5.1 inches)82%extreme
July Weather29°C (84°F)227 mm (8.9 inches)90%extreme
August Weather29°C (84°F)176 mm (6.9 inches)92%extreme
September Weather27°C (81°F)310 mm (12.2 inches)87%extreme
October Weather25°C (77°F)631 mm (24.8 inches)85%extreme
November Weather23°C (74°F)664 mm (26.1 inches)84%very high
December Weather21°C (70°F)401 mm (15.8 inches)83%very high

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