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September Weather in An Nhon, Vietnam

Last updated: August 28, 2025

In An Nhon, Vietnam, the average temperature in September hovers around 28°C (83°F), with lows dipping to 24°C (75°F) and highs peaking at 37°C (98°F). Expect an average humidity of 88%, making it quite the humid experience. Be prepared for precipitation, as you'll encounter about 184 mm (7.2 in) of rain spread over 22 days throughout the month. 🌧️

September Temperature in An Nhon

In September in An Nhon, the average temperature is 28°C (83°F). Maximums can reach 37°C (98°F), and minimums can drop as low as 24°C (75°F). This mild to warm climate makes it a great destination for travelers seeking pleasant weather and outdoor activities.

September Weather in An Nhon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in An Nhon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In An Nhon, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec737478818486858583807774
Data source: Temperature data for An Nhon 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 An Nhon

In An Nhon in September, the total precipitation amount reaches 184 mm (7.2 in) over the course of 22 days.

September Precipitation Trends in An Nhon

The chart displays monthly precipitation patterns in An Nhon, 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 An Nhon, September typically receives around 184 mm (7.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec80403857123789196184299404221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in An Nhon

In An Nhon in September, humidity is 88%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, dense mist that clings to your skin, making outdoor activities noticeably more taxing and promoting a sense of sluggishness that can hinder your travel plans.

September Average Humidity in An Nhon

This chart illustrates the average monthly humidity levels in An Nhon, 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 An Nhon 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 An Nhon

In An Nhon 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 An Nhon, you can check here.

Maximum UV Index Levels in An Nhon for September

The chart shows the monthly maximum UV Index (UVI) for An Nhon 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 An Nhon typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515141315141413119
Data source: An Nhon 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 An Nhon Compares to Other Months

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

This table compares monthly weather conditions in An Nhon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)80 mm (3.2 inches)84%extreme
February Weather23°C (74°F)40 mm (1.6 inches)79%extreme
March Weather26°C (78°F)37 mm (1.5 inches)75%extreme
April Weather27°C (81°F)57 mm (2.2 inches)72%extreme
May Weather29°C (85°F)123 mm (4.8 inches)77%extreme
June Weather30°C (86°F)78 mm (3.1 inches)85%extreme
July Weather30°C (85°F)91 mm (3.6 inches)84%extreme
August Weather30°C (86°F)96 mm (3.8 inches)87%extreme
September Weather28°C (83°F)184 mm (7.2 inches)88%extreme
October Weather27°C (80°F)299 mm (11.8 inches)89%extreme
November Weather25°C (78°F)404 mm (15.9 inches)91%extreme
December Weather24°C (75°F)221 mm (8.7 inches)89%very high

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