September Weather in Mong Cai

Last updated: March 2, 2024

The weather in Mong Cai, Vietnam, during September is characterized by an average temperature of 28°C (83°F). Highs can soar to 32°C (91°F), while lows may dip to 25°C (77°F). Typically, the humidity level in Mong Cai throughout September hovers around 78%.

25°C (77°F)

Minimum temperature

28°C (83°F)

Average temperature

32°C (91°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In September, Mong Cai averages 256 mm (10.1 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 9 hours 33 minutes each day. Additionally, there is a 32% probability of sunny days during this period.

256 mm (10.1 inches)

Precipitation

21 rainy days

Rainy days

9 hours 33 minutes

Sunshine hours

32%

Chance of sun

UV Index

In September, the UV Index in Mong Cai reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	2	4	7	10	13	13	11	8	4	2	1	0	0
Exposure	Low	Moderate	High	VeryHigh	Extreme			VeryHigh	Moderate	Low
Time to burn	45 min	30 min	25 min	15 min	10 min			15 min	30 min	45 min