September weather forecastAp Bac Lân, Vietnam
September
Weather in September
September, the first month of the autumn in Ap Bac Lân, is still a hot month, with an average temperature fluctuating between 30.8°C (87.4°F) and 24.4°C (75.9°F).Temperature
September is Ap Bac Lân's coldest month, registering average high temperatures of 30.8°C (87.4°F) and lows of 24.4°C (75.9°F).Heat index
In September, the heat index is calculated to be an extremely hot 41°C (105.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
With an average relative humidity of 83%, September is the most humid month.Rainfall
In Ap Bac Lân, in September, it is raining for 28.2 days, with typically 175mm (6.89") of accumulated precipitation. In Ap Bac Lân, during the entire year, the rain falls for 241.8 days and collects up to 1283mm (50.51") of precipitation.Daylight
The average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 05:44 and sunset at 18:03. On the last day of September, in Ap Bac Lân, sunrise is at 05:42 and sunset at 17:44 +07.
Sunshine
In Ap Bac Lân, the average sunshine in September is 7.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ap Bac Lân, Vietnam
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is March (35.4°C).
The month with the lowest average high temperature is September (30.8°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is May (26.9°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).
Average pressure in September
Ap Bac Lân, Vietnam
- Average pressure in September: 1008.4mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in September
Ap Bac Lân, Vietnam
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest month (with the lowest average wind speed) is October (6.7km/h).
Average humidity in September
Ap Bac Lân, Vietnam
- Average humidity in September: 83%
The month with the highest relative humidity is September (83%).
The months with the lowest relative humidity are February and March (61%).
Average rainfall in September
Ap Bac Lân, Vietnam
- Average rainfall in September: 175mm
The wettest month (with the highest rainfall) is June (188mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Ap Bac Lân, Vietnam
- Average rainfall days in September: 28.2 days
The month with the highest number of rainy days is September (28.2 days).
The month with the least rainy days is February (5.1 days).
Average daylight in September /
Average sunshine in September
Ap Bac Lân, Vietnam
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is April (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Ap Bac Lân, Vietnam
- Average sunshine days in September: 1.2 days
The month with the most sunshine days is February (22.3 days).
The month with the least sunshine days is September (1.2 days).
Average UV index in September
Ap Bac Lân, Vietnam
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Ap Bac Lân, Vietnam
- Average cloud cover in September: 50
The months with the most cloud cover are July and September (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 20).
Average visibility in September
Ap Bac Lân, Vietnam
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).





