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September Weather in Kim Son, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Kim Son, Vietnam is a warm 26°C (79°F), with a minimum dipping to 19°C (66°F) and a maximum peaking at 35°C (95°F). Expect 249 mm (9.8 in) of rainfall spread over 24 days, contributing to a notable average humidity of 85%. Perfect for those who love a tropical climate!

September Temperature in Kim Son

In September in Kim Son, the average temperature is 26°C (79°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 19°C (66°F). Overall, this makes Kim Son an ideal destination for travelers seeking warm and pleasant weather during this time of year.

September Weather in Kim Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kim Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kim Son, September typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec636471747983818079736963
Data source: Temperature data for Kim Son 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 Kim Son

In Kim Son in September, the precipitation amount is 249 mm (9.8 in) spread over 24 days.

September Precipitation Trends in Kim Son

The chart displays monthly precipitation patterns in Kim Son, 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 Kim Son, September typically receives around 249 mm (9.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec3432611282081723094112492356034
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kim Son

In Kim Son in September, humidity is 85%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities feel stifling and exhausting for travelers.

September Average Humidity in Kim Son

This chart illustrates the average monthly humidity levels in Kim Son, 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 Kim Son is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%54%47%67%81%92%93%85%78%73%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kim Son

In Kim Son 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 Kim Son, you can check here.

Maximum UV Index Levels in Kim Son for September

The chart shows the monthly maximum UV Index (UVI) for Kim Son 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 Kim Son typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313141414141412108
Data source: Kim Son 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 Kim Son Compares to Other Months

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

This table compares monthly weather conditions in Kim Son, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)34 mm (1.4 inches)65%very high
February Weather18°C (64°F)32 mm (1.2 inches)63%extreme
March Weather22°C (71°F)61 mm (2.4 inches)54%extreme
April Weather24°C (75°F)128 mm (5.0 inches)47%extreme
May Weather26°C (79°F)208 mm (8.2 inches)67%extreme
June Weather28°C (83°F)171 mm (6.8 inches)81%extreme
July Weather27°C (81°F)309 mm (12.2 inches)92%extreme
August Weather27°C (80°F)411 mm (16.2 inches)93%extreme
September Weather26°C (79°F)249 mm (9.8 inches)85%extreme
October Weather23°C (74°F)235 mm (9.3 inches)78%extreme
November Weather21°C (69°F)60 mm (2.4 inches)73%very high
December Weather17°C (63°F)34 mm (1.3 inches)69%very high

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