September Weather in Phu Thong, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Phu Thong, Vietnam hovers around 25°C (78°F), providing a comfortable climate for outdoor exploration. Daily temperatures can vary, with minimums dipping to 17°C (63°F) and maximums reaching up to 34°C (93°F). However, be prepared for some rain, as the region experiences 241 mm (9.5 in) of precipitation over approximately 22 days. With an average humidity of 76%, it’s the perfect time to enjoy the vibrant atmosphere while staying hydrated!

September Temperature in Phu Thong

In September in Phu Thong, the average temperature is 25°C (78°F). Maximums can reach 34°C (93°F), and minimums can be as low as 17°C (63°F). This pleasant climate makes Phu Thong an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Phu Thong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Thong, September typically has an average temperature of 25°C (78°F), with highs reaching up to 34°C (93°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Phu Thong

In Phu Thong in September, the total precipitation amount is 241 mm (9.5 in) distributed over 22 days.

September Precipitation Trends in Phu Thong

The chart displays monthly precipitation patterns in Phu Thong, 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 Phu Thong, September typically receives around 241 mm (9.5 inches) of precipitation spread over approximately 22 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Phu Thong

In Phu Thong in September humidity is 76%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick, causing travelers to seek shade and refreshment more often.

September Average Humidity in Phu Thong

This chart illustrates the average monthly humidity levels in Phu Thong, 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 Phu Thong is approximately 76%, 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 Phu Thong

In Phu Thong in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Phu Thong.

Maximum UV Index Levels in Phu Thong for September

The chart shows the monthly maximum UV Index (UVI) for Phu Thong 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 Phu Thong typically reaches 13, which falls under the extreme exposure category.

Data source: Phu Thong 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 Phu Thong Compares to Other Months

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

This table compares monthly weather conditions in Phu Thong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	80 mm (3.1 inches)	59%	very high
February Weather	15°C (60°F)	70 mm (2.8 inches)	66%	very high
March Weather	19°C (67°F)	132 mm (5.2 inches)	66%	extreme
April Weather	21°C (71°F)	151 mm (5.9 inches)	60%	extreme
May Weather	25°C (77°F)	198 mm (7.8 inches)	77%	extreme
June Weather	27°C (81°F)	314 mm (12.3 inches)	85%	extreme
July Weather	27°C (80°F)	297 mm (11.7 inches)	90%	extreme
August Weather	26°C (80°F)	401 mm (15.8 inches)	90%	extreme
September Weather	25°C (78°F)	241 mm (9.5 inches)	76%	extreme
October Weather	22°C (72°F)	193 mm (7.6 inches)	71%	extreme
November Weather	19°C (66°F)	53 mm (2.1 inches)	69%	very high
December Weather	15°C (59°F)	50 mm (2.0 inches)	66%	high