September weather forecast and climate
Ponnampet, India

The last month of the rainy (monsoon) season, September, is another warm month in Ponnampet, India, with average temperature ranging between min 19.3°C (66.7°F) and max 27.4°C (81.3°F).

Temperature

In Ponnampet, the average high-temperature is relatively the same as in August - a still moderately hot 27.4°C (81.3°F). The average low-temperature, in September, is 19.3°C (66.7°F).

Heat index

The average heat index is evaluated at a tropical 31.5°C (88.7°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
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 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, wind, clothing, 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 particularly important for children. 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.

Humidity

In Ponnampet, India, the average relative humidity in September is 87%.

Rainfall

In Ponnampet, India, during September, the rain falls for 25.5 days and regularly aggregates up to 140mm (5.51") of precipitation. Throughout the year, there are 246.5 rainfall days, and 1699mm (66.89") of precipitation is accumulated.

Daylight

The average length of the day in Ponnampet is 12.2h.

Sunshine

In September, the average sunshine is 6.2h.

UV index

July and September, with an average maximum UV index of 5, are months with the lowest UV index in Ponnampet. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Ponnampet?

In Ponnampet, in September, the average high-temperature is 27.4°C (81.3°F), and the average low-temperature is 19.3°C (66.7°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that factores the actual air temperature with the relative humidity, is evaluated at 31.5°C (88.7°F).

What is the average humidity in September in Ponnampet?

In September, the average relative humidity is 87%.

How many days does it rain in September in Ponnampet?

In Ponnampet, India, in September, during 25.5 rainfall days, 140mm (5.51") of precipitation is typically accumulated.

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

In Ponnampet, India, the average length of the day in September is 12.2h.

How long on average sun shines in September in Ponnampet?

In September, the average sunshine in Ponnampet, India, is 6.2h.

What is the month with the lowest UV index in Ponnampet?

July and September, with an average maximum UV index of 5, are months with the lowest UV index in Ponnampet, India.

How high is the UV index in September in Ponnampet?

In September, the average daily maximum UV index in Ponnampet is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Ponnampet, India
  • Average high temperature in September: 27.4°C

The warmest month (with the highest average high temperature) is March (34.2°C).
The month with the lowest average high temperature is July (25.3°C).

  • Average low temperature in September: 19.3°C

The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).

Average pressure in September - Ponnampet, India
  • Average pressure in September: 1010.5mbar

The month with the highest atmospheric pressure is January (1013mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in September - Ponnampet, India
  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is July (8.2km/h).
The calmest month (with the lowest average wind speed) is March (4.2km/h).

Average humidity in September - Ponnampet, India
  • Average humidity in September: 87%

Months with the highest relative humidity are July and August (89%).
The month with the lowest relative humidity is February (59%).

Average rainfall in September - Ponnampet, India
  • Average rainfall in September: 140mm

The wettest month (with the highest rainfall) is October (259mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in September - Ponnampet, India
  • Average rainfall days in September: 25.5 days

The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is January (4.8 days).

Average daylight in September / Average sunshine in September - Ponnampet, India
  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.8h).
The month with the shortest days is December (Average daylight: 11.4h).

  • Average sunshine in September: 6.2h

The month with the most sunshine is February (Average sunshine: 9.9h).
The month with the least sunshine is July (Average sunshine: 4.3h).

Average sunshine days in September - Ponnampet, India
  • Average sunshine days in September: 3 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is August (0.7 days).

Average UV index in September - Ponnampet, India
  • Average UV index in September: 5

Months with the highest UV index are March and April (UV index 7).
Months with the lowest UV index are July and September (UV index 5).

Average cloud cover in September - Ponnampet, India
  • Average cloud cover in September: 65

The month with the most cloud cover is July (Cloud cover 76).
The month with the least cloud cover is February (Cloud cover 13).

Average visibility in September - Ponnampet, India
  • Average visibility in September: 6km

Months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is September (6km).