September weather forecast
Chennimalai, India

The last month of the rainy (monsoon) season, September, is another tropical month in Chennimalai, India, with an average temperature ranging between max 33.5°C (92.3°F) and min 23.9°C (75°F).

Temperature

Chennimalai marks the start of September with an average high-temperature of a still hot 33.5°C (92.3°F), hinting at a slight fluctuation from August's 33.6°C (92.5°F). Chennimalai experiences an average nighttime temperature of 23.9°C (75°F) in the month of September.

Heat index

During September, the heat index is appraised at a blisteringly hot 42°C (107.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in September is 64%.

Rainfall

In Chennimalai, India, during September, the rain falls for 20.7 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, there are 182.6 rainfall days, and 712mm (28.03") of precipitation is accumulated.

Daylight

In Chennimalai, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 6:09 am and sunset at 6:29 pm. On the last day of September, in Chennimalai, sunrise is at 6:08 am and sunset at 6:10 pm IST.

Sunshine

The average sunshine in September in Chennimalai is 9h.

UV index

In Chennimalai, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.