September weather forecast
Vilangadupakkam, India

September

Weather in September

September, the last month of the rainy (monsoon) season in Vilangadupakkam, is also a hot month, with temperature in the range of an average low of 27.3°C (81.1°F) and an average high of 31.6°C (88.9°F).

Temperature

Vilangadupakkam records an average high-temperature of a still hot 31.6°C (88.9°F) as September arrives, nearly mirroring the previous month's climate. Nighttime temperatures in Vilangadupakkam hover around an average low of 27.3°C (81.1°F) in September, a slight descent from daytime highs.

Heat index

September's heat index is estimated at a blisteringly hot 40°C (104°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Vilangadupakkam, the average relative humidity in September is 72%.

Rainfall

In Vilangadupakkam, in September, during 23.1 rainfall days, 98mm (3.86") of precipitation is typically accumulated. In Vilangadupakkam, during the entire year, the rain falls for 157.6 days and collects up to 823mm (32.4") of precipitation.

Daylight

The average length of the day in September in Vilangadupakkam is 12h and 12min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:20 pm. On the last day of September, sunrise is at 5:58 am and sunset at 5:59 pm IST.

Sunshine

The average sunshine in September in Vilangadupakkam is 10.7h.

UV index

In Vilangadupakkam, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

How hot is it in Vilangadupakkam in September?
In September, the average high-temperature and low-temperature in Vilangadupakkam are 31.6°C (88.9°F) and 27.3°C (81.1°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 40°C (104°F).
What is the average humidity in September in Vilangadupakkam?
In Vilangadupakkam, India, the average relative humidity in September is 72%.
How much does it rain in Vilangadupakkam in September?
In Vilangadupakkam, in September, during 23.1 rainfall days, 98mm (3.86") of precipitation is typically accumulated.
What is the average length of the day in September in Vilangadupakkam?
In Vilangadupakkam, the average day length in September is 12h and 12min.
When are sunrise and sunset in September in Vilangadupakkam?
On the first day of September, sunrise is at 5:57 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:59 pm IST.
How many hours of sunshine does Vilangadupakkam have in September?
The average sunshine duration in September is 10.7h.
What is the UV index intensity in September in Vilangadupakkam?
In Vilangadupakkam, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Vilangadupakkam, India
  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in September: 27.3°C

The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).

Average pressure in September
Vilangadupakkam, India
  • Average pressure in September: 1006.7mbar

The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).

Average wind speed in September
Vilangadupakkam, India
  • Average wind speed in September: 13.7km/h

The windiest month (with the highest average wind speed) is May (19.2km/h).
The calmest months (with the lowest average wind speed) are February and October (12.8km/h).

Average humidity in September
Vilangadupakkam, India
  • Average humidity in September: 72%

The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is June (63%).

Average rainfall in September
Vilangadupakkam, India
  • Average rainfall in September: 98mm

The wettest month (with the highest rainfall) is November (213mm).
The driest month (with the least rainfall) is February (6mm).

Average rainfall days in September
Vilangadupakkam, India
  • Average rainfall days in September: 23.1 days

The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (2.9 days).

Average daylight in September /
Average sunshine in September
Vilangadupakkam, India
  • Average daylight in September: 12h and 1min

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 24min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

Average sunshine days in September
Vilangadupakkam, India
  • Average sunshine days in September: 6.2 days

The month with the most sunshine days is March (26.5 days).
The month with the least sunshine days is September (6.2 days).

Average UV index in September
Vilangadupakkam, India
  • Average UV index in September: 7

The months with the highest UV index are April, May, June and July (UV index 8).
The month with the lowest UV index is October (UV index 6).

Average cloud cover in September
Vilangadupakkam, India
  • Average cloud cover in September: 36

The months with the most cloud cover are July and August (Cloud cover 40).
The months with the least cloud cover are March and April (Cloud cover 12).

Average visibility in September
Vilangadupakkam, India
  • Average visibility in September: 10km

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

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