September weather forecastPonnai, India

Weather in September

September, the last month of the rainy (monsoon) season in Ponnai, is another hot month, with an average temperature ranging between max 32.1°C (89.8°F) and min 23.2°C (73.8°F).

Temperature

Ponnai, India, in September witnesses an average high-temperature of a still hot 32.1°C (89.8°F), indicating a slight variation from August's 32.9°C (91.2°F). Throughout September, Ponnai registers a consistent average low-temperature of 23.2°C (73.8°F).

Heat index

During September, the heat index is evaluated at a blisteringly hot 41°C (105.8°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Observations indicate that the heat index values are for shady locations with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In September, in Ponnai, the rain falls for 22.7 days. Throughout September, 104mm (4.09") of precipitation is accumulated. Throughout the year, in Ponnai, there are 163.6 rainfall days, and 632mm (24.88") of precipitation is accumulated.

Daylight

In Ponnai, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 6:01 am and sunset at 6:23 pm. On the last day of September, sunrise is at 6:02 am and sunset at 6:03 pm IST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Ponnai is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.