September weather forecastChittoor, India

Weather in September

The last month of the rainy (monsoon) season, September, is another hot month in Chittoor, India, with an average temperature fluctuating between 23.2°C (73.8°F) and 32.1°C (89.8°F).

Temperature

September brings an average high-temperature of a still hot 32.1°C (89.8°F), showing a slight difference from August's 32.9°C (91.2°F). Chittoor's average low-temperature is measured at a moderately hot 23.2°C (73.8°F) during September.

Heat index

Throughout September, the heat index is appraised at an extremely hot 41°C (105.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in September is 70%.

Rainfall

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

Daylight

In Chittoor, the average length of the day in September is 12h and 12min.
On the first day of September, sunrise is at 6:02 am and sunset at 6:24 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:04 pm IST.

Sunshine

In September, the average sunshine in Chittoor is 8.5h.

UV index

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 7 in September leads to these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.