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September Weather in Nam Dan, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Nam Dan, Vietnam hovers around 29°C (84°F). You can expect a minimum temperature of 23°C (73°F) and a maximum reaching up to 37°C (99°F). With 296 mm (11.7 in) of precipitation over 19 days, be prepared for wet weather as the average humidity sits at a muggy 84%.

September Temperature in Nam Dan

In September in Nam Dan, the average temperature is 29°C (84°F). Maximums can reach 37°C (99°F), while minimums can dip to as low as 23°C (73°F). Be prepared for warm weather, making it an ideal time for outdoor activities and exploration.

September Weather in Nam Dan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nam Dan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nam Dan, September typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec676874798490888684787367
Data source: Temperature data for Nam Dan 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 Nam Dan

In Nam Dan in September, the precipitation amount is 296 mm (11.7 in) spread over 19 days.

September Precipitation Trends in Nam Dan

The chart displays monthly precipitation patterns in Nam Dan, 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 Nam Dan, September typically receives around 296 mm (11.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec4135601111278127222929642512570
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nam Dan

In Nam Dan in September, humidity is 84%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel sticky and somewhat stifling, yet invigorating, as every step is accompanied by a gentle, humid embrace.

September Average Humidity in Nam Dan

This chart illustrates the average monthly humidity levels in Nam Dan, 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 Nam Dan is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%74%70%78%82%90%90%84%81%78%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nam Dan

In Nam Dan 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 Nam Dan, you can check here.

Maximum UV Index Levels in Nam Dan for September

The chart shows the monthly maximum UV Index (UVI) for Nam Dan 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 Nam Dan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131414141297
Data source: Nam Dan 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 Nam Dan Compares to Other Months

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

This table compares monthly weather conditions in Nam Dan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)41 mm (1.6 inches)74%very high
February Weather20°C (68°F)35 mm (1.4 inches)77%very high
March Weather24°C (75°F)60 mm (2.4 inches)74%extreme
April Weather26°C (79°F)111 mm (4.4 inches)70%extreme
May Weather29°C (85°F)127 mm (5.0 inches)78%extreme
June Weather32°C (90°F)81 mm (3.2 inches)82%extreme
July Weather31°C (88°F)272 mm (10.7 inches)90%extreme
August Weather30°C (86°F)229 mm (9.0 inches)90%extreme
September Weather29°C (84°F)296 mm (11.7 inches)84%extreme
October Weather26°C (78°F)425 mm (16.7 inches)81%extreme
November Weather23°C (74°F)125 mm (4.9 inches)78%very high
December Weather20°C (68°F)69 mm (2.7 inches)78%high

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