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September Weather in Phong GJien, Vietnam

Last updated: August 28, 2025

In Phong GJien, Vietnam, the average temperature in September hovers around a warm 27°C (82°F). Expect minimums of 24°C (76°F) and maximums reaching up to 34°C (93°F). During this period, precipitation can be quite significant, totaling 308 mm (12.1 in) over 28 days, accompanied by a high average humidity of 85%.

September Temperature in Phong GJien

In September, in Phong GJien, the average temperature is 27°C (82°F). The maximum can reach 34°C (93°F), while the minimum can drop to 24°C (76°F). This pleasant climate makes Phong GJien an ideal destination for travelers seeking warm weather adventures.

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

The chart illustrates September temperature patterns in Phong GJien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phong GJien, September typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082848483828281818180
Data source: Temperature data for Phong GJien 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 GJien

In Phong GJien in September, the precipitation amount is 308 mm (12.1 in) over the course of 28 days.

September Precipitation Trends in Phong GJien

The chart displays monthly precipitation patterns in Phong GJien, 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 GJien, September typically receives around 308 mm (12.1 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec4220239820321626027430828918292
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phong GJien

In Phong GJien in September humidity is 85%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit more challenging and encouraging travelers to seek shade and stay hydrated.

September Average Humidity in Phong GJien

This chart illustrates the average monthly humidity levels in Phong GJien, 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 GJien is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%75%76%78%80%82%83%85%85%83%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Phong GJien

In Phong GJien 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 Phong GJien, you can check here.

Maximum UV Index Levels in Phong GJien for September

The chart shows the monthly maximum UV Index (UVI) for Phong GJien 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 GJien typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413131414131110
Data source: Phong GJien 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 GJien Compares to Other Months

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

This table compares monthly weather conditions in Phong GJien, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)42 mm (1.6 inches)77%very high
February Weather27°C (80°F)20 mm (0.8 inches)75%extreme
March Weather28°C (83°F)23 mm (0.9 inches)76%extreme
April Weather29°C (84°F)98 mm (3.9 inches)78%extreme
May Weather29°C (84°F)203 mm (8.0 inches)80%extreme
June Weather28°C (83°F)216 mm (8.5 inches)82%extreme
July Weather28°C (82°F)260 mm (10.3 inches)83%extreme
August Weather28°C (82°F)274 mm (10.8 inches)85%extreme
September Weather27°C (82°F)308 mm (12.1 inches)85%extreme
October Weather27°C (82°F)289 mm (11.4 inches)83%extreme
November Weather27°C (81°F)182 mm (7.2 inches)86%extreme
December Weather27°C (80°F)92 mm (3.6 inches)85%very high

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