September weather forecastPasumalai, India

September

Weather in September

September, the last month of the rainy (monsoon) season in Pasumalai, is another hot month, with an average temperature fluctuating between 26.2°C (79.2°F) and 34.8°C (94.6°F).

Temperature

Pasumalai experiences an average high-temperature of a still tropical 34.8°C (94.6°F) in September, subtly different from August's 34.9°C (94.8°F). September generally records an average low-temperature of 26.2°C (79.2°F).

Heat index

September's average heat index is computed to be a blistering 43°C (109.4°F). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Pasumalai, the average relative humidity in September is 57%.

Rainfall

In Pasumalai, in September, during 18 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Pasumalai, during the entire year, the rain falls for 175.7 days and collects up to 585mm (23.03") of precipitation.

Daylight

In September, the average length of the day in Pasumalai is 12h and 11min.
On the first day of September, sunrise is at 6:08 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 6:08 pm IST.

Sunshine

In September, the average sunshine in Pasumalai is 8.8h.

UV index

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

The high-temperature, in September, in Pasumalai, records 34.8°C (94.6°F), while the low-temperature is 26.2°C (79.2°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 43°C (109.4°F).

The average relative humidity in September in Pasumalai is 57%.

In Pasumalai, during September, the rain falls for 18 days and regularly aggregates up to 63mm (2.48") of precipitation.

In Pasumalai, the average day length in September is 12h and 11min.

In September, on the first day of the month, sunrise is at 6:08 am and sunset at 6:26 pm. On the last day of the month, in Pasumalai, India, sunrise is at 6:06 am and sunset at 6:08 pm IST.

In September, the average sunshine duration in Pasumalai is 8.8h.

The average daily maximum UV index in September in Pasumalai, India, is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pasumalai, India

  • Average high temperature in September: 34.8°C

The warmest month (with the highest average high temperature) is May (37.7°C).
The month with the lowest average high temperature is December (29.5°C).

  • Average low temperature in September: 26.2°C

The month with the highest average low temperature is May (28.4°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).

Average pressure in September
Pasumalai, India

  • Average pressure in September: 1008.2mbar

The month with the highest atmospheric pressure is January (1012.8mbar).
The month with the lowest atmospheric pressure is June (1006.8mbar).

Average wind speed in September
Pasumalai, India

  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is January (12km/h).
The calmest month (with the lowest average wind speed) is October (7km/h).

Average humidity in September
Pasumalai, India

  • Average humidity in September: 57%

The month with the highest relative humidity is November (75%).
The months with the lowest relative humidity are May, June and July (51%).

Average rainfall in September
Pasumalai, India

  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is October (120mm).
The driest month (with the least rainfall) is January (6mm).

Average rainfall days in September
Pasumalai, India

  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is October (22.9 days).
The month with the least rainy days is January (5.1 days).

Average daylight in September /
Average sunshine in September
Pasumalai, India

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).

Average sunshine days in September
Pasumalai, India

  • Average sunshine days in September: 10.2 days

The month with the most sunshine days is January (24.1 days).
The months with the least sunshine days are May and October (7.3 days).

Average UV index in September
Pasumalai, India

  • Average UV index in September: 7

The months with the highest UV index are March, April, May, June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 6).

Average cloud cover in September
Pasumalai, India

  • Average cloud cover in September: 34

The month with the most cloud cover is November (Cloud cover 42).
The months with the least cloud cover are February and March (Cloud cover 18).

Average visibility in September
Pasumalai, India

  • Average visibility in September: 10km

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