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September Weather in Chu Se, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Chu Se, Vietnam hovers around 25°C (78°F). Expect a pleasant range, with minimums dipping to 21°C (70°F) and maximums rising to 32°C (90°F). However, prepare for rain, as 341 mm (13.4 in) of precipitation can fall over 28 days, accompanied by a high average humidity of 88%.

September Temperature in Chu Se

In September in Chu Se, the average temperature is 25°C (78°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop to as low as 21°C (70°F). This makes it an ideal time for travelers seeking warm and pleasant weather.

September Weather in Chu Se: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chu Se, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chu Se, September typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec747680818179777777787774
Data source: Temperature data for Chu Se 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 Chu Se

In Chu Se in September, the precipitation amount is 341 mm (13.4 in) distributed over 28 days.

September Precipitation Trends in Chu Se

The chart displays monthly precipitation patterns in Chu Se, 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 Chu Se, September typically receives around 341 mm (13.4 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec125249818122735432134128510542
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chu Se

In Chu Se in September, humidity is 88%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities a sweat-drenched challenge and prompting frequent breaks in the shade to cool off.

September Average Humidity in Chu Se

This chart illustrates the average monthly humidity levels in Chu Se, 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 Chu Se is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%75%72%78%85%84%87%88%89%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chu Se

In Chu Se 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 Chu Se, you can check here.

Maximum UV Index Levels in Chu Se for September

The chart shows the monthly maximum UV Index (UVI) for Chu Se 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 Chu Se typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315161513141414131110
Data source: Chu Se 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 Chu Se Compares to Other Months

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

This table compares monthly weather conditions in Chu Se, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)12 mm (0.5 inches)84%extreme
February Weather24°C (76°F)5 mm (0.2 inches)79%extreme
March Weather27°C (80°F)24 mm (0.9 inches)75%extreme
April Weather27°C (81°F)98 mm (3.9 inches)72%extreme
May Weather27°C (81°F)181 mm (7.1 inches)77%extreme
June Weather26°C (79°F)227 mm (8.9 inches)85%extreme
July Weather25°C (77°F)354 mm (13.9 inches)84%extreme
August Weather25°C (77°F)321 mm (12.6 inches)87%extreme
September Weather25°C (78°F)341 mm (13.4 inches)88%extreme
October Weather25°C (78°F)285 mm (11.2 inches)89%extreme
November Weather25°C (77°F)105 mm (4.1 inches)91%extreme
December Weather23°C (74°F)42 mm (1.6 inches)89%very high

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