September weather forecastHà Trì, Vietnam

September

Weather in September

The first month of the autumn, September, is also a hot month in Hà Trì, Vietnam, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 24.2°C (75.6°F).

Temperature

Hà Trì commences September with an average high-temperature of a still hot 31.7°C (89.1°F), maintaining a close resemblance to the previous month. Throughout September, the nighttime temperature averages to a warm 24.2°C (75.6°F).

Heat index

September's heat index is computed to be an extremely hot 43°C (109.4°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
Records show heat index calculations are tailored for shaded regions and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The months with the highest humidity are August and September, with an average relative humidity of 80%.

Rainfall

In Hà Trì, in September, it is raining for 18.5 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 181.2 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Daylight

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 18:12. On the last day of September, sunrise is at 05:47 and sunset at 17:45 +07.

Sunshine

The average sunshine in September is 8.5h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

The high-temperature, in September, in Hà Trì, is 31.7°C (89.1°F), while the low-temperature averages to 24.2°C (75.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 43°C (109.4°F).

August and September, with an average relative humidity of 80%, are most humid months.

The average relative humidity in September is 80%.

In Hà Trì, during September, the rain falls for 18.5 days and regularly aggregates up to 73mm (2.87") of precipitation.

In Hà Trì, the average day length in September is 12h and 16min.

On the first day of September, sunrise is at 05:40 and sunset at 18:12. On the last day of the month, sunrise is at 05:47 and sunset at 17:45 +07.

In September, the average sunshine duration is 8.5h.

The months with the highest UV index in Hà Trì are May through September, with an average maximum UV index of 7.

In Hà Trì, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Hà Trì, Vietnam

  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is June (35.4°C).
The month with the lowest average high temperature is January (20.7°C).

  • Average low temperature in September: 24.2°C

The month with the highest average low temperature is June (26.6°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).

Average pressure in September
Hà Trì, Vietnam

  • Average pressure in September: 1008.5mbar

The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is June (1003.1mbar).

Average wind speed in September
Hà Trì, Vietnam

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.9km/h).

Average humidity in September
Hà Trì, Vietnam

  • Average humidity in September: 80%

The months with the highest relative humidity are August and September (80%).
The month with the lowest relative humidity is December (69%).

Average rainfall in September
Hà Trì, Vietnam

  • Average rainfall in September: 73mm

The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is February (7mm).

Average rainfall days in September
Hà Trì, Vietnam

  • Average rainfall days in September: 18.5 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (7.8 days).

Average daylight in September /
Average sunshine in September
Hà 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 30min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Hà Trì, Vietnam

  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is July (6.2 days).

Average UV index in September
Hà Trì, Vietnam

  • Average UV index in September: 7

The months with the highest UV index are 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
Hà Trì, Vietnam

  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 40).

Average visibility in September
Hà Trì, Vietnam

  • Average visibility in September: 9km

The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).