September weather forecastGio Nhan, Vietnam

Weather in September

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

Temperature

As Gio Nhan welcomes September, the average high-temperature records at a still tropical 31.7°C (89.1°F), marking an insignificant deviation from the prior month. Nighttime temperatures consistently average a warm 24.2°C (75.6°F) during September.

Heat index

During September, the heat index is estimated at a blistering 43°C (109.4°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

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

Rainfall

In Gio Nhan, 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 Gio Nhan, the average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 05:40 and sunset at 18:13. On the last day of the month, sunrise is at 05:47 and sunset at 17:45 +07.

Sunshine

In Gio Nhan, the average sunshine in September 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.