September weather forecastTri Tôn, Vietnam

September

Weather in September

September, the first month of the autumn in Tri Tôn, is still a warm month, with an average temperature ranging between max 29.9°C (85.8°F) and min 26.5°C (79.7°F).

Temperature

September notes an average high-temperature of a warm 29.9°C (85.8°F), subtly differing from August's 30.4°C (86.7°F). Tri Tôn experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 26.5°C (79.7°F) throughout September.

Heat index

The heat index in September is evaluated at a very hot 37°C (98.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Tri Tôn, in September, it is raining for 20.2 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, there are 219.9 rainfall days, and 1153mm (45.39") of precipitation is accumulated.

Daylight

In Tri Tôn, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:09. On the last day of September, sunrise is at 05:48 and sunset at 17:51 +07.

Sunshine

In Tri Tôn, the average sunshine in September is 7.9h.

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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

An average high-temperature, in September, in Tri Tôn, is 29.9°C (85.8°F) and the average low-temperature is 26.5°C (79.7°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 37°C (98.6°F).

The average relative humidity in September is 78%.

In Tri Tôn, in September, it is raining for 20.2 days, with typically 106mm (4.17") of accumulated precipitation.

In Tri Tôn, the average day length in September is 12h and 11min.

On the first day of September, sunrise is at 05:50 and sunset at 18:09. On the last day of the month, sunrise is at 05:48 and sunset at 17:51 +07.

In September, the average sunshine duration is 7.9h.

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 in Tri Tôn.

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Tri Tôn, Vietnam

  • Average high temperature in September: 29.9°C

The warmest month (with the highest average high temperature) is April (32.8°C).
The month with the lowest average high temperature is December (29.8°C).

  • Average low temperature in September: 26.5°C

The month with the highest average low temperature is May (28°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).

Average pressure in September
Tri Tôn, Vietnam

  • Average pressure in September: 1008.5mbar

The month with the highest atmospheric pressure is January (1011.5mbar).
The months with the lowest atmospheric pressure are June and July (1007.8mbar).

Average wind speed in September
Tri Tôn, Vietnam

  • Average wind speed in September: 18.4km/h

The windiest month (with the highest average wind speed) is August (20.4km/h).
The calmest months (with the lowest average wind speed) are April and October (12.5km/h).

Average humidity in September
Tri Tôn, Vietnam

  • Average humidity in September: 78%

The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are February and March (69%).

Average rainfall in September
Tri Tôn, Vietnam

  • Average rainfall in September: 106mm

The wettest month (with the highest rainfall) is October (204mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in September
Tri Tôn, Vietnam

  • Average rainfall days in September: 20.2 days

The month with the highest number of rainy days is October (27.5 days).
The month with the least rainy days is February (6.8 days).

Average daylight in September /
Average sunshine in September
Tri Tôn, 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 54min

The months with the most sunshine are April and May (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in September
Tri Tôn, Vietnam

  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is February (19.8 days).
The month with the least sunshine days is October (3.2 days).

Average UV index in September
Tri Tôn, 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
Tri Tôn, 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 28).

Average visibility in September
Tri Tôn, Vietnam

  • Average visibility in September: 10km

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