September weather forecast
Thọ Lão, Vietnam

The first month of the autumn, September, is also a hot month in Thọ Lão, Vietnam, with an average temperature fluctuating between 31.8°C (89.2°F) and 24.3°C (75.7°F).

Temperature

The dawn of September sees an average high-temperature of a still tropical 31.8°C (89.2°F), subtly contrasting with August's 33.1°C (91.6°F). In Thọ Lão, the nighttime temperature averages to a warm 24.3°C (75.7°F) during September.

Heat index

During September, the heat index is evaluated at an extremely hot 44°C (111.2°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Heat index determinations are made taking into account the shade and light air movements. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and 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 quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

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

Rainfall

In September, the rain falls for 19.4 days. Throughout September, 93mm (3.66") of precipitation is accumulated. Throughout the year, there are 182.2 rainfall days, and 615mm (24.21") of precipitation is accumulated.

Daylight

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

Sunshine

In Thọ Lão, the average sunshine in September is 8.3h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.