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September Weather in Yen My, Vietnam

Last updated: August 28, 2025

In Yen My, Vietnam, the average temperature in September hovers around 29°C (84°F). This warm climate can bring minimum temperatures down to 21°C (71°F), while the mercury can soar to a sizzling 37°C (98°F). Expect a substantial precipitation of 262 mm (10.3 in) over approximately 22 days, contributing to a high average humidity of 82%. Prepare accordingly for the tropical conditions!

September Temperature in Yen My

In September in Yen My, the average temperature is 29°C (84°F), with maximums reaching up to 37°C (98°F) and minimums as low as 21°C (71°F). This warm climate makes it an ideal destination for those seeking a sunny getaway.

September Weather in Yen My: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yen My, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yen My, September typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (98°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec646672768387868583777365
Data source: Temperature data for Yen My 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 Yen My

In Yen My in September, the precipitation amount is 262 mm (10.3 in) during 22 days, indicating a significant level of moisture within that period.

September Precipitation Trends in Yen My

The chart displays monthly precipitation patterns in Yen My, 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 Yen My, September typically receives around 262 mm (10.3 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec4339631121861983034062622564740
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yen My

In Yen My in September humidity is 82%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making sightseeing ventures feel more exhausting and requiring frequent breaks to stay hydrated.

September Average Humidity in Yen My

This chart illustrates the average monthly humidity levels in Yen My, 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 Yen My is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yen My

In Yen My 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 Yen My.

Maximum UV Index Levels in Yen My for September

The chart shows the monthly maximum UV Index (UVI) for Yen My 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 Yen My typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213121213131197
Data source: Yen My 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 Yen My Compares to Other Months

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

This table compares monthly weather conditions in Yen My, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)43 mm (1.7 inches)66%very high
February Weather19°C (66°F)39 mm (1.5 inches)71%very high
March Weather22°C (72°F)63 mm (2.5 inches)69%extreme
April Weather25°C (76°F)112 mm (4.4 inches)64%extreme
May Weather28°C (83°F)186 mm (7.3 inches)73%extreme
June Weather31°C (88°F)198 mm (7.8 inches)81%extreme
July Weather30°C (87°F)303 mm (11.9 inches)90%extreme
August Weather29°C (85°F)406 mm (16.0 inches)89%extreme
September Weather29°C (84°F)262 mm (10.3 inches)82%extreme
October Weather25°C (78°F)256 mm (10.1 inches)77%extreme
November Weather23°C (73°F)47 mm (1.8 inches)72%very high
December Weather18°C (65°F)40 mm (1.6 inches)71%high

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