September weather forecastTenkasi, India

Weather in September

The last month of the rainy (monsoon) season, September, is another hot month in Tenkasi, India, with an average temperature fluctuating between 23.5°C (74.3°F) and 32.1°C (89.8°F).

Temperature

September's average high-temperature stands at a still hot 32.1°C (89.8°F), showing little deviation from August's 31.8°C (89.2°F). An average nighttime temperature of 23.5°C (74.3°F) is recorded during September.

Heat index

The heat index value during September is calculated to be a blisteringly hot 41°C (105.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to 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.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Tenkasi, the average relative humidity in September is 70%.

Rainfall

In Tenkasi, in September, during 15.9 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, there are 200.9 rainfall days, and 727mm (28.62") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine is 8.9h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.