September weather forecast
Hương Ngải, Vietnam

September, the first month of the autumn in Hươngải, is also a hot month, with an average temperature varying between 31.7°C (89.1°F) and 24.2°C (75.6°F).

Temperature

September's average high-temperature stands at a still hot 31.7°C (89.1°F), showing little deviation from August's 33.1°C (91.6°F). In September, Hươngải encounters an average low-temperature of 24.2°C (75.6°F) during the night.

Heat index

In September, the heat index is evaluated at an extremely hot 43°C (109.4°F). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The months with the highest humidity are August and September, with an average relative humidity of 80%.

Rainfall

In Hươngải, during September, the rain falls for 18.5 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 181.2 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Daylight

In Hươngải, the average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 05:41 and sunset at 18:13. On the last day of the month, sunrise is at 05:48 and sunset at 17:46 +07.

Sunshine

The average sunshine in September in Hươngải is 8.5h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.