September weather forecast
Cầu Nhân, Vietnam

The first month of the autumn, September, is also a hot month in Cầu Nhân, Vietnam, with an average temperature fluctuating between 25.6°C (78.1°F) and 31°C (87.8°F).

Temperature

Cầu Nhân's September reports an average high-temperature of a still hot 31°C (87.8°F), exhibiting a minor difference from August. Cầu Nhân's temperature lowers to a mean of 25.6°C (78.1°F) during the nights in September.

Heat index

For September, the heat index is appraised at a blistering 41°C (105.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, in Cầu Nhân, the rain falls for 22.8 days. Throughout September, 183mm (7.2") of precipitation is accumulated. In Cầu Nhân, during the entire year, the rain falls for 218.8 days and collects up to 1028mm (40.47") of precipitation.

Daylight

In Cầu Nhân, the average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 05:39 and sunset at 18:11. On the last day of the month, sunrise is at 05:46 and sunset at 17:44 +07.

Sunshine

The average sunshine in September is 8.8h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during September leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.