September weather forecastNanguneri, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Nanguneri, is another hot month, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 33.4°C (92.1°F).Temperature
With the onset of September, a high-temperature average of a still hot 33.4°C (92.1°F) emerges, matching that of August. Throughout the month of September, Nanguneri observes an average nighttime temperature of 24.9°C (76.8°F).Heat index
During September, the heat index is computed to be a blistering 42°C (107.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Nanguneri, the average relative humidity in September is 64%.Rainfall
In Nanguneri, in September, it is raining for 12.3 days, with typically 47mm (1.85") of accumulated precipitation. In Nanguneri, during the entire year, the rain falls for 181.1 days and collects up to 825mm (32.48") of precipitation.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 6:11 am and sunset at 6:27 pm. On the last day of September, in Nanguneri, sunrise is at 6:07 am and sunset at 6:10 pm IST.
Sunshine
The average sunshine in September is 9.2h.UV index
January through November, with an average maximum UV index of 7, are months with the highest UV index in Nanguneri. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nanguneri, India
- Average high temperature in September: 33.4°C
The warmest month (with the highest average high temperature) is April (35.5°C).
The month with the lowest average high temperature is December (29.2°C).
- Average low temperature in September: 24.9°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (21.1°C).
Average pressure in September
Nanguneri, India
- Average pressure in September: 1008.8mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is May (1007.6mbar).
Average wind speed in September
Nanguneri, India
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is June (19.9km/h).
The calmest month (with the lowest average wind speed) is November (10.1km/h).
Average humidity in September
Nanguneri, India
- Average humidity in September: 64%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Nanguneri, India
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is November (204mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in September
Nanguneri, India
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is November (25.3 days).
The month with the least rainy days is July (6.4 days).
Average daylight in September /
Average sunshine in September
Nanguneri, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is May (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Nanguneri, India
- Average sunshine days in September: 16 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is November (3.4 days).
Average UV index in September
Nanguneri, India
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and November (UV index 7).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Nanguneri, India
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility in September
Nanguneri, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).





