September weather forecast
Tam Lễ, Vietnam

September

Weather in September

September, the first month of the autumn in Tam Lễ, is still a hot month, with an average temperature fluctuating between 30.4°C (86.7°F) and 25.1°C (77.2°F).

Temperature

In September, Tam Lễ's weather conditions record an average high-temperature of a still hot 30.4°C (86.7°F), demonstrating little divergence from the preceding month. Tam Lễ's average low-temperature for the month of September records at a moderately hot 25.1°C (77.2°F).

Heat index

Throughout September, the heat index is calculated to be a very hot 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 especially vital to children. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Tam Lễ, the average relative humidity in September is 79%.

Rainfall

The month with the most rainfall is September, when the rain falls for 18.8 days and typically aggregates up to 169mm (6.65") of precipitation.

Daylight

In September, the average length of the day is 12h and 15min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:12. On the last day of September, in Tam Lễ, sunrise is at 05:48 and sunset at 17:47 +07.

Sunshine

The average sunshine in September in Tam Lễ is 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is it in September?
During September, Tam Lễ experiences an average high-temperature of 30.4°C (86.7°F) and a low-temperature of 25.1°C (77.2°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 39°C (102.2°F).
What is the average humidity in September?
In September, the average relative humidity in Tam Lễ is 79%.
What is the rainiest month?
The month with the most rainfall is September, when the rain falls for 18.8 days and typically aggregates up to 169mm (6.65") of precipitation.
How many days does it rain in September?
In Tam Lễ, in September, it is raining for 18.8 days, with typically 169mm (6.65") of accumulated precipitation.
How many hours of daylight does Tam Lễ have in September?
In Tam Lễ, the average day length in September is 12h and 15min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:42 and sunset at 18:12. On the last day of the month, sunrise is at 05:48 and sunset at 17:47 +07.
How long on average sun shines in September?
The average sunshine duration in September is 9h.
What are the months with the highest UV index?
The months with the highest UV index are April through September, with an average maximum UV index of 7.
What is the UV index reading in September?
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Tam Lễ, Vietnam
  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is June (34°C).
The month with the lowest average high temperature is January (20.7°C).

  • Average low temperature in September: 25.1°C

The month with the highest average low temperature is June (27.1°C).
The coldest month (with the lowest average low temperature) is January (16.5°C).

Average pressure in September
Tam Lễ, Vietnam
  • Average pressure in September: 1007.9mbar

The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is July (1004mbar).

Average wind speed in September
Tam Lễ, Vietnam
  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in September
Tam Lễ, Vietnam
  • Average humidity in September: 79%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is June (69%).

Average rainfall in September
Tam Lễ, Vietnam
  • Average rainfall in September: 169mm

The wettest month (with the highest rainfall) is September (169mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in September
Tam Lễ, Vietnam
  • Average rainfall days in September: 18.8 days

The month with the highest number of rainy days is October (19.2 days).
The month with the least rainy days is June (9.9 days).

Average daylight in September /
Average sunshine in September
Tam Lễ, Vietnam
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Tam Lễ, Vietnam
  • Average sunshine days in September: 9.2 days

The month with the most sunshine days is June (17.9 days).
The month with the least sunshine days is December (8.4 days).

Average UV index in September
Tam Lễ, 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 months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Tam Lễ, Vietnam
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Tam Lễ, Vietnam
  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is January (8km).

englishespañol中文
Share