September weather forecast
Cập Thượng, Vietnam

September, the first month of the autumn in Cập Thượng, is still a hot month, with an average temperature ranging between max 30.9°C (87.6°F) and min 25.4°C (77.7°F).

Temperature

Cập Thượng's September average high-temperature settles at a still tropical 30.9°C (87.6°F), showing a near match with the preceding month. Cập Thượng experiences a nighttime temperature average of 25.4°C (77.7°F) during September.

Heat index

September's average heat index is appraised at an extremely hot 40°C (104°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Cập Thượng, the average relative humidity in September is 78%.

Rainfall

In Cập Thượng, during September, the rain falls for 22.6 days and regularly aggregates up to 165mm (6.5") of precipitation. Throughout the year, there are 234.9 rainfall days, and 1142mm (44.96") of precipitation is accumulated.

Snowfall

September is the only month when snow falls. The month with the most snowfall days is September, when snow falls for 0.1 days.

Daylight

The average length of the day in September in Cập Thượng is 12h and 16min.
On the first day of the month, sunrise is at 05:38 and sunset at 18:10. On the last day of September, sunrise is at 05:45 and sunset at 17:43 +07.

Sunshine

In September, the average sunshine in Cập Thượng is 9.2h.

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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.