September Weather in Rach Gia, Vietnam

Last updated: August 28, 2025

In Rach Gia, Vietnam, the average temperature in September hovers around 27°C (82°F). This month brings a minimum of 25°C (77°F) and can soar to a maximum of 32°C (89°F). Expect 364 mm (14.3 in) of precipitation spread over 27 days, contributing to an average humidity level of 82%. Stay prepared for a warm and wet atmosphere!

September Temperature in Rach Gia

In September in Rach Gia, the average temperature is 27°C (82°F). The maximum can reach 32°C (89°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes it an ideal time for travelers to explore the beauty of Rach Gia.

September Weather in Rach Gia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rach Gia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rach Gia, September typically has an average temperature of 27°C (82°F), with highs reaching up to 32°C (89°F) and lows dropping to around 25°C (77°F).

Data source: Temperature data for Rach Gia generated using information from the Copernicus Climate Change Service.

September Precipitation in Rach Gia

In Rach Gia in September, the precipitation amount is 364 mm (14.3 in) spread over 27 days, indicating a significant amount of rainfall during that period.

September Precipitation Trends in Rach Gia

The chart displays monthly precipitation patterns in Rach Gia, 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 Rach Gia, September typically receives around 364 mm (14.3 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Rach Gia

In Rach Gia in September humidity is 82%. With an average temperature of 27°C (82°F), this humidity feels like stepping into a warm, thick blanket, making outdoor activities quite uncomfortable and travel feel a bit sluggish.

September Average Humidity in Rach Gia

This chart illustrates the average monthly humidity levels in Rach Gia, 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 Rach Gia is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rach Gia

In Rach Gia 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 Rach Gia, you can check here.

Maximum UV Index Levels in Rach Gia for September

The chart shows the monthly maximum UV Index (UVI) for Rach Gia 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 Rach Gia typically reaches 14, which falls under the extreme exposure category.

Data source: Rach Gia 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 Rach Gia Compares to Other Months

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

This table compares monthly weather conditions in Rach Gia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	38 mm (1.5 inches)	73%	very high
February Weather	27°C (81°F)	22 mm (0.9 inches)	73%	extreme
March Weather	28°C (83°F)	28 mm (1.1 inches)	76%	extreme
April Weather	29°C (84°F)	119 mm (4.7 inches)	78%	extreme
May Weather	29°C (84°F)	221 mm (8.7 inches)	77%	extreme
June Weather	28°C (83°F)	287 mm (11.3 inches)	79%	extreme
July Weather	28°C (82°F)	381 mm (15.0 inches)	80%	extreme
August Weather	28°C (82°F)	389 mm (15.3 inches)	83%	extreme
September Weather	27°C (82°F)	364 mm (14.3 inches)	82%	extreme
October Weather	27°C (81°F)	328 mm (12.9 inches)	81%	extreme
November Weather	27°C (81°F)	137 mm (5.4 inches)	84%	extreme
December Weather	27°C (80°F)	84 mm (3.3 inches)	81%	extreme