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September Weather in Son Ha, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Son Ha, Vietnam hovers around 26°C (80°F), offering a warm escape. Expect a comfortable minimum of 20°C (69°F), while the mercury can rise to a maximum of 34°C (94°F). However, be prepared for 310 mm (12.2 in) of precipitation over the course of 27 days, contributing to an average humidity level of 88%. Stay hydrated and embrace the vibrant atmosphere!

September Temperature in Son Ha

In September in Son Ha, the average temperature is 26°C (80°F). Maximums can reach 34°C (94°F), and minimums can drop to as low as 20°C (69°F). This pleasant climate makes Son Ha an ideal destination for travelers seeking warm weather.

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

The chart illustrates September temperature patterns in Son Ha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Son Ha, September typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec697076788283828279777470
Data source: Temperature data for Son Ha 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 Son Ha

In Son Ha in September, the precipitation amount is 310 mm (12.2 in) over the course of 27 days.

September Precipitation Trends in Son Ha

The chart displays monthly precipitation patterns in Son Ha, 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 Son Ha, September typically receives around 310 mm (12.2 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1599171119165162218175310506689443
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Son Ha

In Son Ha in September, humidity is 88%. With an average temperature of 26°C (80°F), this humidity feels like a thick blanket enveloping you, making outdoor activities challenging and sweat-soaked.

September Average Humidity in Son Ha

This chart illustrates the average monthly humidity levels in Son Ha, 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 Son Ha 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 Son Ha

In Son Ha 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 Son Ha, you can check here.

Maximum UV Index Levels in Son Ha for September

The chart shows the monthly maximum UV Index (UVI) for Son Ha 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 Son Ha typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121515141314141412119
Data source: Son Ha 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 Son Ha Compares to Other Months

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

This table compares monthly weather conditions in Son Ha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)159 mm (6.2 inches)86%extreme
February Weather21°C (70°F)91 mm (3.6 inches)83%extreme
March Weather24°C (76°F)71 mm (2.8 inches)78%extreme
April Weather26°C (79°F)119 mm (4.7 inches)75%extreme
May Weather28°C (82°F)165 mm (6.5 inches)80%extreme
June Weather28°C (83°F)162 mm (6.4 inches)85%extreme
July Weather28°C (82°F)218 mm (8.6 inches)85%extreme
August Weather28°C (82°F)175 mm (6.9 inches)87%extreme
September Weather26°C (80°F)310 mm (12.2 inches)88%extreme
October Weather25°C (77°F)506 mm (19.9 inches)90%extreme
November Weather23°C (74°F)689 mm (27.1 inches)91%extreme
December Weather21°C (70°F)443 mm (17.4 inches)89%very high

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