September weather forecast and climate
Siwaith, India

September, the last month of the rainy (monsoon) season, in Siwaith, is another tropical month, with average temperature ranging between max 33.5°C (92.3°F) and min 25.9°C (78.6°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still tropical 33.5°C (92.3°F). The average low-temperature, in September, is 25.9°C (78.6°F).

Heat index

In September, the average heat index is appraised at an extremely hot 44.6°C (112.3°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, clothing, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

Months with the highest humidity in Siwaith, India, are August and September, with an average relative humidity of 69%.

Rainfall

In Siwaith, it is raining for 15.5 days, with typically 105mm (4.13") of accumulated precipitation. Throughout the year, there are 91.5 rainfall days, and 486mm (19.13") of precipitation is accumulated.

Daylight

The average length of the day in September is 12.3h.

Sunshine

In September, the average sunshine is 9.6h.

UV index

The average daily maximum UV index in Siwaith is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Siwaith?

In September, in Siwaith, India, the average high-temperature is 33.5°C (92.3°F), and the average low-temperature is 25.9°C (78.6°F). The average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, in September is appraised at 44.6°C (112.3°F).

What is the most humid month in Siwaith?

August and September, with an average relative humidity of 69%, are most humid months in Siwaith, India.

What is the average humidity in September in Siwaith?

The average relative humidity in September in Siwaith, India, is 69%.

How many days does it rain in September in Siwaith?

In Siwaith, India, in September, during 15.5 rainfall days, 105mm (4.13") of precipitation is typically accumulated.

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

The average length of the day in September in Siwaith is 12.3h.

How many hours of sunshine does Siwaith have in September?

The average sunshine in September in Siwaith is 9.6h.

What is the UV index intensity in September in Siwaith?

In Siwaith, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Siwaith, India
  • Average high temperature in September: 33.5°C

The warmest month (with the highest average high temperature) is May (44°C).
The month with the lowest average high temperature is January (23.4°C).

  • Average low temperature in September: 25.9°C

The month with the highest average low temperature is June (32.7°C).
The coldest month (with the lowest average low temperature) is January (10.8°C).

Average pressure in September - Siwaith, India
  • Average pressure in September: 1004.2mbar

The month with the highest atmospheric pressure is January (1016.6mbar).
The month with the lowest atmospheric pressure is June (997.7mbar).

Average wind speed in September - Siwaith, India
  • Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is June (12.4km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).

Average humidity in September - Siwaith, India
  • Average humidity in September: 69%

Months with the highest relative humidity are August and September (69%).
The month with the lowest relative humidity is April (19%).

Average rainfall in September - Siwaith, India
  • Average rainfall in September: 105mm

The wettest month (with the highest rainfall) is July (147mm).
The driest months (with the least rainfall) are May and November (2mm).

Average rainfall days in September - Siwaith, India
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is December (0.6 days).

Average daylight in September / Average sunshine in September - Siwaith, 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: 9.6h

The month with the most sunshine is May (Average sunshine: 12.2h).
The month with the least sunshine is January (Average sunshine: 7.4h).

Average sunshine days in September - Siwaith, India
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is December (30.3 days).
The month with the least sunshine days is July (7.4 days).

Average UV index in September - Siwaith, 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 - Siwaith, India
  • Average cloud cover in September: 35

The month with the most cloud cover is July (Cloud cover 48).
Months with the least cloud cover are May and December (Cloud cover 5).

Average visibility in September - Siwaith, 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).