September weather forecastCái Bè, Vietnam
September
Weather in September
September, the first month of the autumn in Cái Bè, is also a hot month, with an average temperature varying between 24.8°C (76.6°F) and 31.2°C (88.2°F).Temperature
September's average high-temperature is a still hot 31.2°C (88.2°F), maintaining a close comparison with August's 32°C (89.6°F). In Cái Bè, September nights witness a steady temperature drop to a warm 24.8°C (76.6°F).Heat index
September's average heat index is appraised at a blisteringly hot 42°C (107.6°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
July, September and October, with an average relative humidity of 81%, are the most humid months.Rainfall
In Cái Bè, in September, during 20.2 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 359mm (14.13") of precipitation is accumulated.Daylight
The average length of the day in September in Cái Bè is 12h and 11min.On the first day of September, sunrise is at 05:46 and sunset at 18:05. On the last day of the month, sunrise is at 05:44 and sunset at 17:47 +07.
Sunshine
The average sunshine in September is 7.4h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cái Bè, Vietnam
- Average high temperature in September: 31.2°C
The warmest months (with the highest average high temperature) are March and April (35.3°C).
The month with the lowest average high temperature is December (30.8°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is January (22.1°C).
Average pressure in September
Cái Bè, Vietnam
- Average pressure in September: 1008.4mbar
The month with the highest atmospheric pressure is January (1011.5mbar).
The months with the lowest atmospheric pressure are June and July (1007.7mbar).
Average wind speed in September
Cái Bè, Vietnam
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is March (13.3km/h).
The calmest month (with the lowest average wind speed) is October (8.8km/h).
Average humidity in September
Cái Bè, Vietnam
- Average humidity in September: 81%
The months with the highest relative humidity are July, September and October (81%).
The month with the lowest relative humidity is March (64%).
Average rainfall in September
Cái Bè, Vietnam
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is August (64mm).
The driest month (with the least rainfall) is February (2mm).
Average rainfall days in September
Cái Bè, Vietnam
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is February (2.2 days).
Average daylight in September /
Average sunshine in September
Cái Bè, 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 24min
The month with the most sunshine is April (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Cái Bè, Vietnam
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is March (25.5 days).
The month with the least sunshine days is August (6 days).
Average UV index in September
Cái Bè, 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
Cái Bè, Vietnam
- Average cloud cover in September: 48
The months with the most cloud cover are July and September (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in September
Cái Bè, Vietnam
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are June, July, August, September, October and November (9km).





