Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The initiation of September sees an average high-temperature of a still tropical 31.6°C (88.9°F), showing minor variations from the previous month. Sunnambukkulam documents a consistent average low-temperature of 27.3°C (81.1°F) at night during September.Heat index
Throughout September, the heat index is computed to be an extremely hot 40°C (104°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in September is 72%.Rainfall
In Sunnambukkulam, during September, the rain falls for 23.1 days and regularly aggregates up to 98mm (3.86") of precipitation. Throughout the year, in Sunnambukkulam, there are 157.6 rainfall days, and 823mm (32.4") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 5:58 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 September, the average sunshine is 10.7h.UV index
In September, the average daily maximum UV index in Sunnambukkulam is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 suggests this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Sunnambukkulam?
What is the average humidity in September in Sunnambukkulam?
How many days does it rain in September in Sunnambukkulam?
How many hours of daylight does Sunnambukkulam have in September?
When is the sunrise / sunset in September in Sunnambukkulam?
How long on average sun shines in September in Sunnambukkulam?
What is the UV index reading in September in Sunnambukkulam?
Average temperature in September
Sunnambukkulam, India
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in September: 27.3°C
The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).
Average pressure in September
Sunnambukkulam, 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
Sunnambukkulam, India
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is May (19.2km/h).
The calmest months (with the lowest average wind speed) are February and October (12.8km/h).
Average humidity in September
Sunnambukkulam, India
- Average humidity in September: 72%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Sunnambukkulam, India
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is November (213mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Sunnambukkulam, India
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (2.9 days).
Average daylight in September /
Average sunshine in September
Sunnambukkulam, India
- Average daylight in September: 12h and 1min
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 18min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Sunnambukkulam, India
- Average sunshine days in September: 6.2 days
The month with the most sunshine days is March (26.5 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in September
Sunnambukkulam, India
- Average UV index in September: 7
The months with the highest UV index are April, May, June and July (UV index 8).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in September
Sunnambukkulam, India
- Average cloud cover in September: 36
The months with the most cloud cover are July and August (Cloud cover 40).
The months with the least cloud cover are March and April (Cloud cover 12).
Average visibility in September
Sunnambukkulam, 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).
