September weather forecast
Hà Trì, Vietnam

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

Temperature

With September's arrival, Hà Trì's weather records an average high-temperature of a still tropical 31.7°C (89.1°F), marking little difference from August's 33.1°C (91.6°F). Hà Trì's temperature tends to fall to an average low of 24.2°C (75.6°F) during the nights of September.

Heat index

Throughout September, the heat index is appraised at an extremely hot 43°C (109.4°F). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

August and September, with an average relative humidity of 80%, are the most humid months in Hà Trì.

Rainfall

In Hà Trì, in September, it is raining for 18.5 days, with typically 73mm (2.87") of accumulated precipitation. In Hà Trì, during the entire year, the rain falls for 181.2 days and collects up to 595mm (23.43") of precipitation.

Daylight

In Hà Trì, Vietnam, 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 18:12. On the last day of the month, sunrise is at 05:47 and sunset at 17:45 +07.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The months with the highest UV index in Hà Trì are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.