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September Weather in Long Phu, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Long Phu, Vietnam is a warm 28°C (82°F), dipping to a minimum of 24°C (76°F) and peaking at 33°C (92°F). However, be prepared for significant rainfall, with an average precipitation of 282 mm (11.1 in) spread across 28 days. Coupled with an average humidity level of 85%, it's a perfect month for staying hydrated and enjoying the lush landscapes!

September Temperature in Long Phu

In September in Long Phu, the average temperature is 28°C (82°F). Maximums can reach 33°C (92°F) and minimums can be as low as 24°C (76°F). This is an ideal time for travelers seeking warm weather and pleasant conditions.

September Weather in Long Phu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long Phu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long Phu, September typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808082848483828282818180
Data source: Temperature data for Long Phu 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 Long Phu

In Long Phu in September, the precipitation amount is 282 mm (11.1 in) over a period of 28 days.

September Precipitation Trends in Long Phu

The chart displays monthly precipitation patterns in Long Phu, 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 Long Phu, September typically receives around 282 mm (11.1 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec4911167918824325327528230520492
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Long Phu

In Long Phu in September humidity is 85%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty endeavor and requiring frequent breaks to stay refreshed.

September Average Humidity in Long Phu

This chart illustrates the average monthly humidity levels in Long Phu, 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 Long Phu is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%75%76%78%80%82%83%85%85%83%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Long Phu

In Long Phu 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 Long Phu, you can check here.

Maximum UV Index Levels in Long Phu for September

The chart shows the monthly maximum UV Index (UVI) for Long Phu 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 Long Phu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416141413131414131110
Data source: Long Phu 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 Long Phu Compares to Other Months

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

This table compares monthly weather conditions in Long Phu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)49 mm (1.9 inches)77%extreme
February Weather26°C (80°F)11 mm (0.4 inches)75%extreme
March Weather28°C (82°F)16 mm (0.6 inches)76%extreme
April Weather29°C (84°F)79 mm (3.1 inches)78%extreme
May Weather29°C (84°F)187 mm (7.4 inches)80%extreme
June Weather28°C (83°F)243 mm (9.6 inches)82%extreme
July Weather28°C (82°F)253 mm (9.9 inches)83%extreme
August Weather28°C (82°F)275 mm (10.8 inches)85%extreme
September Weather28°C (82°F)282 mm (11.1 inches)85%extreme
October Weather27°C (82°F)305 mm (12.0 inches)83%extreme
November Weather27°C (82°F)204 mm (8.0 inches)86%extreme
December Weather27°C (80°F)91 mm (3.6 inches)85%very high

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