September weather forecast
Triplicane, India

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Weather in September

The last month of the rainy (monsoon) season, September, is another tropical month in Triplicane, India, with an average temperature varying between 31.6°C (88.9°F) and 27.3°C (81.1°F).

Temperature

The onset of September notes an average high-temperature of a still tropical 31.6°C (88.9°F), subtly shifted from August's 32.3°C (90.1°F). Triplicane documents a consistent average low-temperature of 27.3°C (81.1°F) at night during September.

Heat index

The heat index value for September is calculated to be a blisteringly hot 40°C (104°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Triplicane, in September, during 23.1 rainfall days, 98mm (3.86") of precipitation is typically accumulated. Throughout the year, in Triplicane, there are 157.6 rainfall days, and 823mm (32.4") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 12min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:19 pm. On the last day of September, in Triplicane, sunrise is at 5:58 am and sunset at 5:59 pm IST.

Sunshine

The average sunshine in September in Triplicane is 10.7h.

UV index

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is September in Triplicane?

The high-temperature, in September, in Triplicane, is 31.6°C (88.9°F), while the low-temperature averages to 27.3°C (81.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 40°C (104°F).

What is the average humidity in September in Triplicane?

In September, the average relative humidity is 72%.

How many days does it rain in September in Triplicane?

In Triplicane, in September, it is raining for 23.1 days, with typically 98mm (3.86") of accumulated precipitation.

How many hours of daylight does Triplicane have in September?

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

When are sunrise and sunset in September in Triplicane?

On the first day of September in Triplicane, India, sunrise is at 5:57 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:59 pm IST.

How long on average sun shines in September in Triplicane?

In September, the average sunshine duration in Triplicane, India, is 10.7h.

What is the UV index reading in September in Triplicane?

The average daily maximum UV index in September in Triplicane, India, is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in September
Triplicane, India

Average temperature in September - Triplicane, India
  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in September: 27.3°C

The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).

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Average pressure in September
Triplicane, India

Average pressure in September - Triplicane, India
  • Average pressure in September: 1006.7mbar

The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).

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Average wind speed in September
Triplicane, India

Average wind speed in September - Triplicane, India
  • Average wind speed in September: 13.7km/h

The windiest month (with the highest average wind speed) is May (19.2km/h).
The calmest months (with the lowest average wind speed) are February and October (12.8km/h).

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Average humidity in September
Triplicane, India

Average humidity in September - Triplicane, India
  • Average humidity in September: 72%

The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is June (63%).

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Average rainfall in September
Triplicane, India

Average rainfall in September - Triplicane, India
  • Average rainfall in September: 98mm

The wettest month (with the highest rainfall) is November (213mm).
The driest month (with the least rainfall) is February (6mm).

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Average rainfall days in September
Triplicane, India

Average rainfall days in September - Triplicane, India
  • Average rainfall days in September: 23.1 days

The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (2.9 days).

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

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

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

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Average sunshine days in September
Triplicane, India

Average sunshine days in September - Triplicane, India
  • Average sunshine days in September: 6.2 days

The month with the most sunshine days is March (26.5 days).
The month with the least sunshine days is September (6.2 days).

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Average UV index in September
Triplicane, India

Average UV index in September - Triplicane, India
  • Average UV index in September: 7

The months with the highest UV index are April, May, June and July (UV index 8).
The month with the lowest UV index is October (UV index 6).

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Average cloud cover in September
Triplicane, India

Average cloud cover in September - Triplicane, India
  • Average cloud cover in September: 36

The months with the most cloud cover are July and August (Cloud cover 40).
The months with the least cloud cover are March and April (Cloud cover 12).

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Average visibility in September
Triplicane, India

Average visibility in September - Triplicane, India
  • Average visibility in September: 10km

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

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Triplicane, India

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