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September Weather in Mang GJen, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Mang GJen, Vietnam hovers around 23°C (73°F), with a minimum of 18°C (64°F) and a maximum reaching up to 31°C (88°F). Expect significant rainfall, with an average precipitation of 286 mm (11.3 in) spread over 26 days. Moreover, the air tends to be quite humid, with an average humidity of 88%, creating a warm and damp atmosphere throughout the month.

September Temperature in Mang GJen

In September in Mang GJen, the average temperature is 23°C (73°F). Maximums can reach 31°C (88°F) and minimums can be as low as 18°C (64°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Mang GJen.

September Weather in Mang GJen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mang GJen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mang GJen, September typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec666772737574727373727066
Data source: Temperature data for Mang GJen 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 Mang GJen

In Mang GJen, in September, the precipitation amount is 286 mm (11.3 in) over the course of 26 days.

September Precipitation Trends in Mang GJen

The chart displays monthly precipitation patterns in Mang GJen, 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 Mang GJen, September typically receives around 286 mm (11.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec138299017615022220328624813241
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mang GJen

In Mang GJen in September, humidity is 88%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky blanket enveloping you, making travel feel heavy and draining without frequent breaks for hydration and shade.

September Average Humidity in Mang GJen

This chart illustrates the average monthly humidity levels in Mang GJen, 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 Mang GJen is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%78%75%80%85%85%87%88%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mang GJen

In Mang GJen 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 Mang GJen, you can check here.

Maximum UV Index Levels in Mang GJen for September

The chart shows the monthly maximum UV Index (UVI) for Mang GJen 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 Mang GJen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315161514151514131110
Data source: Mang GJen 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 Mang GJen Compares to Other Months

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

This table compares monthly weather conditions in Mang GJen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)13 mm (0.5 inches)86%extreme
February Weather20°C (68°F)8 mm (0.3 inches)83%extreme
March Weather22°C (73°F)29 mm (1.2 inches)78%extreme
April Weather23°C (74°F)90 mm (3.5 inches)75%extreme
May Weather24°C (75°F)175 mm (6.9 inches)80%extreme
June Weather23°C (74°F)150 mm (5.9 inches)85%extreme
July Weather22°C (73°F)222 mm (8.8 inches)85%extreme
August Weather23°C (73°F)203 mm (8.0 inches)87%extreme
September Weather23°C (73°F)286 mm (11.3 inches)88%extreme
October Weather22°C (72°F)248 mm (9.8 inches)90%extreme
November Weather21°C (70°F)132 mm (5.2 inches)91%extreme
December Weather19°C (66°F)41 mm (1.6 inches)89%very high

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