September weather forecastPeravallur, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Peravallur, is another hot month, with an average temperature ranging between min 26.9°C (80.4°F) and max 32.9°C (91.2°F).Temperature
Peravallur notes an average high-temperature of a still tropical 32.9°C (91.2°F) in September, hardly diverging from August. Throughout September, the average low-temperature dips to a warm 26.9°C (80.4°F).Heat index
In September, the average heat index is estimated at a blisteringly hot 43°C (109.4°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In Peravallur, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 23.9 days. Throughout September, 92mm (3.62") of precipitation is accumulated. In Peravallur, during the entire year, the rain falls for 154.8 days and collects up to 735mm (28.94") of precipitation.Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:20 pm. On the last day of September, sunrise is at 5:58 am and sunset at 5:59 pm IST.
Sunshine
In Peravallur, India, the average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Peravallur, India
- Average high temperature in September: 32.9°C
The warmest month (with the highest average high temperature) is May (37.2°C).
The month with the lowest average high temperature is December (27.9°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is May (29.5°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in September
Peravallur, India
- Average pressure in September: 1006.7mbar
The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).
Average wind speed in September
Peravallur, India
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is May (16.8km/h).
The calmest month (with the lowest average wind speed) is October (11.3km/h).
Average humidity in September
Peravallur, India
- Average humidity in September: 69%
The months with the highest relative humidity are November and December (76%).
The month with the lowest relative humidity is June (58%).
Average rainfall in September
Peravallur, India
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is November (185mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Peravallur, India
- Average rainfall days in September: 23.9 days
The month with the highest number of rainy days is September (23.9 days).
The month with the least rainy days is February (3.4 days).
Average daylight in September /
Average sunshine in September
Peravallur, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 36min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Peravallur, India
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is March (25.7 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in September
Peravallur, India
- Average UV index in September: 7
The months with the highest UV index are April, May, June and July (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Peravallur, India
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 41).
The months with the least cloud cover are March and April (Cloud cover 13).
Average visibility in September
Peravallur, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
