September weather forecast
Aruppukkottai, India

September

Weather in September

September, the last month of the rainy (monsoon) season in Aruppukkottai, is also a fiery hot month, with an average temperature varying between 36°C (96.8°F) and 27.5°C (81.5°F).

Temperature

As Aruppukkottai steps into September, the average high-temperature holds at a still torrid 36°C (96.8°F), hinting at a minor fluctuation from the prior month. During September, Aruppukkottai experiences an average low-temperature of 27.5°C (81.5°F) at night.

Heat index

During September, the heat index is calculated to be a blistering 44°C (111.2°F). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
Observations indicate that the heat index values are for shady locations with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in September in Aruppukkottai is 52%.

Rainfall

In Aruppukkottai, in September, during 10.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 123.1 rainfall days, and 594mm (23.39") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index in Aruppukkottai is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 7 suggests this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

How hot does it get in Aruppukkottai in September?
In September, the average high-temperature and low-temperature are 36°C (96.8°F) and 27.5°C (81.5°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 44°C (111.2°F).
What is the average humidity in September in Aruppukkottai?
In Aruppukkottai, the average relative humidity in September is 52%.
How many days does it rain in September in Aruppukkottai?
In Aruppukkottai, India, in September, it is raining for 10.5 days, with typically 38mm (1.5") of accumulated precipitation.
What is the average length of the day in September in Aruppukkottai?
The average day length in September in Aruppukkottai, India, is 12h and 11min.
What time are sunrise and sunset in September in Aruppukkottai?
On the first day of September in Aruppukkottai, India, 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.
How many hours of sunshine does Aruppukkottai have in September?
In September, the average sunshine duration in Aruppukkottai is 8.8h.
What is the UV index intensity in September in Aruppukkottai?
In September, the average daily maximum UV index in Aruppukkottai is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Aruppukkottai, India
Average temperature in September
Aruppukkottai, India
  • Average high temperature in September: 36°C

The warmest month (with the highest average high temperature) is May (38.4°C).
The month with the lowest average high temperature is December (30.3°C).

  • Average low temperature in September: 27.5°C

The month with the highest average low temperature is May (29.1°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).

Average pressure in September - Aruppukkottai, India
Average pressure in September
Aruppukkottai, India
  • Average pressure in September: 1008.2mbar

The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1006.9mbar).

Average wind speed in September - Aruppukkottai, India
Average wind speed in September
Aruppukkottai, India
  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is June (15.6km/h).
The calmest month (with the lowest average wind speed) is October (9.3km/h).

Average humidity in September - Aruppukkottai, India
Average humidity in September
Aruppukkottai, India
  • Average humidity in September: 52%

The month with the highest relative humidity is November (72%).
The month with the lowest relative humidity is July (47%).

Average rainfall in September - Aruppukkottai, India
Average rainfall in September
Aruppukkottai, India
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is November (186mm).
The driest month (with the least rainfall) is June (7mm).

Average rainfall days in September - Aruppukkottai, India
Average rainfall days in September
Aruppukkottai, India
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is November (22.2 days).
The month with the least rainy days is June (3.9 days).

Average daylight in September / Average sunshine in September - Aruppukkottai, India
Average daylight in September /
Average sunshine in September
Aruppukkottai, India
  • Average daylight in September: 12h and 1min

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 5min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).

Average sunshine days in September - Aruppukkottai, India
Average sunshine days in September
Aruppukkottai, India
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is June (25.7 days).
The month with the least sunshine days is November (6.7 days).

Average UV index in September - Aruppukkottai, India
Average UV index in September
Aruppukkottai, 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 month with the lowest UV index is November (UV index 6).

Average cloud cover in September - Aruppukkottai, India
Average cloud cover in September
Aruppukkottai, India
  • Average cloud cover in September: 33

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 20).

Average visibility in September - Aruppukkottai, India
Average visibility in September
Aruppukkottai, 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).

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