September weather forecast
Najafgarh, India

September

Weather in September

The last month of the rainy (monsoon) season, September, is also a hot month in Najafgarh, India, with an average temperature ranging between max 34.6°C (94.3°F) and min 25.6°C (78.1°F).

Temperature

In September, Najafgarh experiences a minor shift in meteorological conditions with average high-temperatures marked at a tropical 34.6°C (94.3°F), closely mirroring the climate in August. September generally records an average low-temperature of 25.6°C (78.1°F).

Heat index

September's mean heat index is evaluated at an extremely hot 43°C (109.4°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Najafgarh, India, the average relative humidity in September is 58%.

Rainfall

In Najafgarh, in September, it is raining for 10 days, with typically 40mm (1.57") of accumulated precipitation. In Najafgarh, during the entire year, the rain falls for 69 days and collects up to 237mm (9.33") of precipitation.

Daylight

In Najafgarh, the average length of the day in September is 12h and 20min.
On the first day of September in Najafgarh, sunrise is at 6:00 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 6:09 pm IST.

Sunshine

In September, the average sunshine in Najafgarh is 9h.

UV index

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 rays for the ordinary person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

How hot does it get in Najafgarh in September?
September temperatures in Najafgarh vary between a high-temperature of 34.6°C (94.3°F) and a low-temperature of 25.6°C (78.1°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 43°C (109.4°F).
What is the average humidity in September in Najafgarh?
The average relative humidity in September in Najafgarh, India, is 58%.
How many days does it rain in September in Najafgarh?
In September, in Najafgarh, the rain falls for 10 days. Throughout September, 40mm (1.57") of precipitation is accumulated.
What is the average length of the day in September in Najafgarh?
The average day length in September in Najafgarh, India, is 12h and 20min.
When is the sunrise / sunset in September in Najafgarh?
In September, on the first day of the month, sunrise is at 6:00 am and sunset at 6:43 pm. On the last day of the month, in Najafgarh, sunrise is at 6:14 am and sunset at 6:09 pm IST.
How many hours of sunshine does Najafgarh have in September?
In September, the average sunshine duration is 9h.
How high is the UV index in September in Najafgarh?
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat 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 - Najafgarh, India
Average temperature in September
Najafgarh, India
  • Average high temperature in September: 34.6°C

The warmest month (with the highest average high temperature) is June (42.3°C).
The month with the lowest average high temperature is January (20.7°C).

  • Average low temperature in September: 25.6°C

The month with the highest average low temperature is June (31.8°C).
The coldest month (with the lowest average low temperature) is January (8.7°C).

Average pressure in September - Najafgarh, India
Average pressure in September
Najafgarh, India
  • Average pressure in September: 1003.6mbar

The month with the highest atmospheric pressure is January (1017mbar).
The month with the lowest atmospheric pressure is June (996.7mbar).

Average wind speed in September - Najafgarh, India
Average wind speed in September
Najafgarh, India
  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is June (10.6km/h).
The calmest month (with the lowest average wind speed) is October (6.6km/h).

Average humidity in September - Najafgarh, India
Average humidity in September
Najafgarh, India
  • Average humidity in September: 58%

The month with the highest relative humidity is August (62%).
The month with the lowest relative humidity is May (18%).

Average rainfall in September - Najafgarh, India
Average rainfall in September
Najafgarh, India
  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is October (1mm).

Average rainfall days in September - Najafgarh, India
Average rainfall days in September
Najafgarh, India
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is October (0.9 days).

Average daylight in September / Average sunshine in September - Najafgarh, India
Average daylight in September /
Average sunshine in September
Najafgarh, India
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is May (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).

Average sunshine days in September - Najafgarh, India
Average sunshine days in September
Najafgarh, India
  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is December (29.9 days).
The month with the least sunshine days is August (11.4 days).

Average UV index in September - Najafgarh, India
Average UV index in September
Najafgarh, India
  • Average UV index in September: 7

The months with the highest UV index are May and June (UV index 9).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September - Najafgarh, India
Average cloud cover in September
Najafgarh, India
  • Average cloud cover in September: 23

The month with the most cloud cover is August (Cloud cover 37).
The month with the least cloud cover is October (Cloud cover 5).

Average visibility in September - Najafgarh, India
Average visibility in September
Najafgarh, 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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