September weather forecast
Cầu giát, Vietnam

The first month of the autumn, September, is still a tropical month in Cầu giát, Vietnam, with an average temperature varying between 25.1°C (77.2°F) and 30.4°C (86.7°F).

Temperature

The shift to September signals an average high-temperature of a still tropical 30.4°C (86.7°F), subtly varied from August's 31.8°C (89.2°F). Throughout September, the temperature falls to an average low of 25.1°C (77.2°F).

Heat index

In September, the heat index is computed to be a fiery hot 39°C (102.2°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In Cầu giát, the average relative humidity in September is 79%.

Rainfall

The month with the most rainfall is September, when the rain falls for 18.8 days and typically aggregates up to 169mm (6.65") of precipitation.

Daylight

In September, the average length of the day is 12h and 15min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:12. On the last day of September, sunrise is at 05:47 and sunset at 17:46 +07.

Sunshine

In September, the average sunshine is 9h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.