September weather forecastVân Canh, Vietnam
September
Weather in September
September, the first month of the autumn in Vân Canh, is still a hot month, with an average temperature ranging between max 30.2°C (86.4°F) and min 25°C (77°F).Temperature
The average high-temperature during September registers at a still tropical 30.2°C (86.4°F), closely corresponding to the preceding month. An average temperature of 25°C (77°F) marks the nights in September.Heat index
The heat index for September is computed to be a very hot 38°C (100.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In Vân Canh, the average relative humidity in September is 80%.Rainfall
In Vân Canh, during September, the rain falls for 24.8 days and regularly aggregates up to 134mm (5.28") of precipitation. Throughout the year, there are 260 rainfall days, and 1343mm (52.87") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 05:32 and sunset at 17:55. On the last day of the month, sunrise is at 05:33 and sunset at 17:34 +07.
Sunshine
In Vân Canh, the average sunshine in September is 8.6h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vân Canh, Vietnam
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (24.5°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is February (21.3°C).
Average pressure in September
Vân Canh, Vietnam
- Average pressure in September: 1008.1mbar
The month with the highest atmospheric pressure is January (1014.7mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).
Average wind speed in September
Vân Canh, Vietnam
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is May (10.3km/h).
Average humidity in September
Vân Canh, Vietnam
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are June, July and August (76%).
Average rainfall in September
Vân Canh, Vietnam
- Average rainfall in September: 134mm
The wettest month (with the highest rainfall) is November (283mm).
The driest month (with the least rainfall) is March (45mm).
Average rainfall days in September
Vân Canh, Vietnam
- Average rainfall days in September: 24.8 days
The month with the highest number of rainy days is October (27.1 days).
The months with the least rainy days are March and April (14.8 days).
Average daylight in September /
Average sunshine in September
Vân Canh, Vietnam
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Vân Canh, Vietnam
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is December (2.4 days).
Average UV index in September
Vân Canh, Vietnam
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Vân Canh, Vietnam
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Vân Canh, Vietnam
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).





