September weather forecast and climate
Ranchi, India

The last month of the rainy (monsoon) season, September, is also a moderately hot month in Ranchi, India, with average temperature fluctuating between 29.5°C (85.1°F) and 22.5°C (72.5°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still warm 29.5°C (85.1°F). In Ranchi, in September, the average low-temperature is 22.5°C (72.5°F).

Heat index

The average heat index is appraised at a torrid 36.9°C (98.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, wind, metabolic differences), and activity. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In Ranchi, the average relative humidity is 83%.

Rainfall

In Ranchi, it is raining for 20.9 days, with typically 139mm (5.47") of accumulated precipitation. In Ranchi, during the entire year, the rain falls for 125.5 days and collects up to 836mm (32.91") of precipitation.

Daylight

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

Sunshine

In Ranchi, the average sunshine is 7.5h.

UV index

In Ranchi, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Ranchi?

The average high-temperature, in September, in Ranchi, India, is 29.5°C (85.1°F), while the average low-temperature is 22.5°C (72.5°F). The average heat index (a.k.a. 'real feel', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in September is appraised at 36.9°C (98.4°F).

What is the average humidity in September in Ranchi?

In September, the average relative humidity is 83%.

How many days does it rain in September in Ranchi?

In Ranchi, in September, it is raining for 20.9 days, with typically 139mm (5.47") of accumulated precipitation.

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

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

How long on average sun shines in September in Ranchi?

In September, the average sunshine in Ranchi is 7.5h.

How high is the UV index in September in Ranchi?

The average daily maximum UV index in September in Ranchi is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Ranchi, India
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is May (38.8°C).
The month with the lowest average high temperature is December (23.5°C).

  • Average low temperature in September: 22.5°C

The month with the highest average low temperature is June (26.9°C).
The coldest month (with the lowest average low temperature) is January (11.4°C).

Average pressure in September - Ranchi, India
  • Average pressure in September: 1005.4mbar

The month with the highest atmospheric pressure is January (1016.1mbar).
The month with the lowest atmospheric pressure is June (999.9mbar).

Average wind speed in September - Ranchi, India
  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is July (10.8km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).

Average humidity in September - Ranchi, India
  • Average humidity in September: 83%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is April (26%).

Average rainfall in September - Ranchi, India
  • Average rainfall in September: 139mm

The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is November (6mm).

Average rainfall days in September - Ranchi, India
  • Average rainfall days in September: 20.9 days

The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is November (2.4 days).

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

The month with the longest days is June (Average daylight: 13.6h).
The month with the shortest days is December (Average daylight: 10.7h).

  • Average sunshine in September: 7.5h

The month with the most sunshine is May (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 7.4).

Average sunshine days in September - Ranchi, India
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is December (28.2 days).
The month with the least sunshine days is July (5.7 days).

Average UV index in September - Ranchi, India
  • Average UV index in September: 6

Months with the highest UV index are April and May (UV index 8).
Months with the lowest UV index are January, November and December (UV index 5).

Average cloud cover in September - Ranchi, India
  • Average cloud cover in September: 49

The month with the most cloud cover is August (Cloud cover 59).
Months with the least cloud cover are April and December (Cloud cover 9).

Average visibility in September - Ranchi, India
  • Average visibility in September: 8km

Months with the highest visibility are January, February, March, April, May, June, November and December (10km).
Months with the lowest visibility are August and September (8km).