September weather forecastPerundurai, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another hot month in Perundurai, India, with an average temperature fluctuating between 33.5°C (92.3°F) and 23.9°C (75°F).Temperature
A minimal variation is noted in Perundurai's average high-temperature at the onset of September, reaching a still tropical 33.5°C (92.3°F) from August's 33.6°C (92.5°F). Perundurai sees an average low-temperature of 23.9°C (75°F) during September.Heat index
The heat index for September is computed to be a blisteringly hot 42°C (107.6°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Note that heat index values are valued for light wind and location in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In September, the average relative humidity in Perundurai is 64%.Rainfall
In Perundurai, India, in September, during 20.7 rainfall days, 80mm (3.15") of precipitation is typically accumulated. Throughout the year, in Perundurai, there are 182.6 rainfall days, and 712mm (28.03") of precipitation is accumulated.Daylight
In Perundurai, 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, sunrise is at 6:08 am and sunset at 6:10 pm IST.
Sunshine
In September, the average sunshine in Perundurai is 9h.UV index
The average daily maximum UV index in September in Perundurai is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perundurai, India
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is May (38.1°C).
The month with the lowest average high temperature is December (28.9°C).
- Average low temperature in September: 23.9°C
The month with the highest average low temperature is May (26.8°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure in September
Perundurai, India
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is June (1007.6mbar).
Average wind speed in September
Perundurai, India
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is June (14.6km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Perundurai, India
- Average humidity in September: 64%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is April (48%).
Average rainfall in September
Perundurai, India
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
Perundurai, India
- Average rainfall days in September: 20.7 days
The month with the highest number of rainy days is October (23.7 days).
The months with the least rainy days are January and February (4.3 days).
Average daylight in September /
Average sunshine in September
Perundurai, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is May (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Perundurai, India
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is October (6 days).
Average UV index in September
Perundurai, India
- Average UV index in September: 7
The months with the highest UV index are March, April and May (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Perundurai, India
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 13).
Average visibility in September
Perundurai, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are October, November and December (9km).
