September weather forecastVũ Xá, Vietnam
September
Weather in September
The first month of the autumn, September, is also a hot month in Vũ Xá, Vietnam, with an average temperature ranging between max 31.3°C (88.3°F) and min 24.8°C (76.6°F).Temperature
The advent of September reveals an average high-temperature of a still tropical 31.3°C (88.3°F), showing minimal difference from the prior month. In Vũ Xá, September nights witness a steady temperature drop to a moderately hot 24.8°C (76.6°F).Heat index
In September, the heat index is estimated at a blistering 42°C (107.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Vũ Xá, the average relative humidity in September is 80%.Rainfall
In Vũ Xá, in September, during 14.7 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 139.5 rainfall days, and 271mm (10.67") of precipitation is accumulated.Daylight
In Vũ Xá, the average length of the day in September is 12h and 16min.On the first day of the month, sunrise is at 05:37 and sunset at 18:10. On the last day of September, sunrise is at 05:44 and sunset at 17:42 +07.
Sunshine
The average sunshine in September is 9.1h.UV index
April through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vũ Xá, Vietnam
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is June (35.1°C).
The month with the lowest average high temperature is January (20.4°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is June (27.5°C).
The coldest month (with the lowest average low temperature) is January (15.4°C).
Average pressure in September
Vũ Xá, Vietnam
- Average pressure in September: 1008mbar
The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is June (1002.8mbar).
Average wind speed in September
Vũ Xá, Vietnam
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is June (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Vũ Xá, Vietnam
- Average humidity in September: 80%
The month with the highest relative humidity is April (81%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Vũ Xá, Vietnam
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Vũ Xá, Vietnam
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.8 days).
Average daylight in September /
Average sunshine in September
Vũ Xá, Vietnam
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Vũ Xá, Vietnam
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Vũ Xá, Vietnam
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Vũ Xá, Vietnam
- Average cloud cover in September: 36
The months with the most cloud cover are January and March (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Vũ Xá, Vietnam
- Average visibility in September: 10km
The months with the highest visibility are June, July, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May and August (9km).
