September weather forecastBích Trì, Vietnam

September

Weather in September

The first month of the autumn, September, is still a hot month in Bích Trì, Vietnam, with an average temperature ranging between min 25°C (77°F) and max 31.3°C (88.3°F).

Temperature

September's advent presents an average high-temperature of a still hot 31.3°C (88.3°F), indicating a slight variation from the conditions of the previous month. Bích Trì observes an average nighttime temperature of 25°C (77°F) during September.

Heat index

Throughout September, the heat index is estimated at a scorching 42°C (107.6°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Bích Trì, during September, the rain falls for 15.9 days and regularly aggregates up to 44mm (1.73") of precipitation. In Bích Trì, during the entire year, the rain falls for 140.7 days and collects up to 282mm (11.1") of precipitation.

Daylight

In Bích Trì, the average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 05:40 and sunset at 18:11. On the last day of September, in Bích Trì, Vietnam, sunrise is at 05:46 and sunset at 17:45 +07.

Sunshine

The average sunshine in September is 8.9h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

In September, the average high-temperature and low-temperature are 31.3°C (88.3°F) and 25°C (77°F) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 42°C (107.6°F).

In Bích Trì, the average relative humidity in September is 80%.

In Bích Trì, in September, during 15.9 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

The average day length in September is 12h and 16min.

On the first day of September, sunrise is at 05:40 and sunset at 18:11. On the last day of the month, sunrise is at 05:46 and sunset at 17:45 +07.

The average sunshine duration in September is 8.9h.

April through September, with an average maximum UV index of 7, are months with the highest UV index.

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bích Trì, 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: 25°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
Bích Trì, Vietnam

  • Average pressure in September: 1007.9mbar

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
Bích Trì, Vietnam

  • Average wind speed in September: 9.5km/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
Bích Trì, 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
Bích Trì, Vietnam

  • Average rainfall in September: 44mm

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
Bích Trì, Vietnam

  • Average rainfall days in September: 15.9 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
Bích Trì, 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: 8h and 54min

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
Bích Trì, Vietnam

  • Average sunshine days in September: 10.7 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
Bích Trì, 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
Bích Trì, Vietnam

  • Average cloud cover in September: 38

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
Bích Trì, 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).