September weather forecast and climate
Sonpa, India

September, the last month of the rainy (monsoon) season, in Sonpa, is another tropical month, with average temperature varying between 25.5°C (77.9°F) and 33.2°C (91.8°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still hot 33.2°C (91.8°F). In September, in Sonpa, India, the average low-temperature is 25.5°C (77.9°F).

Heat index

In September, the average heat index is estimated at a burning hot 45.5°C (113.9°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, clothing, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The most humid month in Sonpa is September, with an average relative humidity of 73%.

Rainfall

In Sonpa, India, it is raining for 15.2 days, with typically 110mm (4.33") of accumulated precipitation. Throughout the year, there are 88 rainfall days, and 513mm (20.2") of precipitation is accumulated.

Daylight

In Sonpa, the average length of the day is 12.3h.

Sunshine

In Sonpa, the average sunshine is 9h.

UV index

In September, the average daily maximum UV index in Sonpa is 7. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Sonpa?

In Sonpa, in September, the average high-temperature is 33.2°C (91.8°F), and the average low-temperature is 25.5°C (77.9°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, is estimated at 45.5°C (113.9°F).

What is the most humid month in Sonpa?

September is the most humid month, with an average relative humidity of 73%.

What is the average humidity in September in Sonpa?

In Sonpa, the average relative humidity in September is 73%.

How much does it rain in Sonpa in September?

In Sonpa, India, during September, the rain falls for 15.2 days and regularly aggregates up to 110mm (4.33") of precipitation.

What is the average length of the day in September in Sonpa?

In September, the average length of the day in Sonpa is 12.3h.

How long on average sun shines in September in Sonpa?

The average sunshine in September in Sonpa, India, is 9h.

How high is the UV index in September in Sonpa?

In September, the average daily maximum UV index in Sonpa, India, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Sonpa, India
  • Average high temperature in September: 33.2°C

The warmest month (with the highest average high temperature) is May (42.4°C).
The month with the lowest average high temperature is January (23.3°C).

  • Average low temperature in September: 25.5°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 (10.8°C).

Average pressure in September - Sonpa, India
  • Average pressure in September: 1003.4mbar

The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is June (997.1mbar).

Average wind speed in September - Sonpa, India
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is May (12.4km/h).
The calmest month (with the lowest average wind speed) is October (6.6km/h).

Average humidity in September - Sonpa, India
  • Average humidity in September: 73%

The month with the highest relative humidity is September (73%).
The month with the lowest relative humidity is April (23%).

Average rainfall in September - Sonpa, India
  • Average rainfall in September: 110mm

The wettest month (with the highest rainfall) is July (167mm).
The driest month (with the least rainfall) is November (1mm).

Average rainfall days in September - Sonpa, India
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (0.5 days).

Average daylight in September / Average sunshine in September - Sonpa, India
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.7h).
The month with the shortest days is December (Average daylight: 10.6h).

  • Average sunshine in September: 9h

Months with the most sunshine are April and May (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 7.4h).

Average sunshine days in September - Sonpa, India
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is December (30.3 days).
The month with the least sunshine days is August (9.2 days).

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

Months with the highest UV index are April and May (UV index 9).
Months with the lowest UV index are January and December (UV index 5).

Average cloud cover in September - Sonpa, India
  • Average cloud cover in September: 36

The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is December (Cloud cover 5).

Average visibility in September - Sonpa, India
  • Average visibility in September: 9km

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