September weather forecastKatpadi, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another hot month in Katpadi, India, with an average temperature ranging between min 23.7°C (74.7°F) and max 33°C (91.4°F).Temperature
The onset of September marks an average high-temperature of a still hot 33°C (91.4°F), hardly differing from August's 33.8°C (92.8°F). Nightly temperatures drop to an average low of 23.7°C (74.7°F) in September.Heat index
September's mean heat index is estimated at an extremely hot 43°C (109.4°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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 primarily vital for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In Katpadi, India, the average relative humidity in September is 69%.Rainfall
In Katpadi, India, in September, it is raining for 22.6 days, with typically 91mm (3.58") of accumulated precipitation. Throughout the year, in Katpadi, there are 167.6 rainfall days, and 620mm (24.41") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 6:02 am and sunset at 6:24 pm. On the last day of September, in Katpadi, sunrise is at 6:02 am and sunset at 6:04 pm IST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Katpadi, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 7 in September leads to these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Katpadi, India
- Average high temperature in September: 33°C
The warmest month (with the highest average high temperature) is May (39.4°C).
The month with the lowest average high temperature is December (28.2°C).
- Average low temperature in September: 23.7°C
The month with the highest average low temperature is May (27.8°C).
The coldest month (with the lowest average low temperature) is January (17.4°C).
Average pressure in September
Katpadi, India
- Average pressure in September: 1007.5mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is June (1005.1mbar).
Average wind speed in September
Katpadi, India
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is July (14.9km/h).
The calmest month (with the lowest average wind speed) is October (7.1km/h).
Average humidity in September
Katpadi, India
- Average humidity in September: 69%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is May (47%).
Average rainfall in September
Katpadi, India
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is October (129mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Katpadi, India
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is October (23.2 days).
The month with the least rainy days is February (3.8 days).
Average daylight in September /
Average sunshine in September
Katpadi, 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: 8h and 36min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in September
Katpadi, India
- Average sunshine days in September: 5.6 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is September (5.6 days).
Average UV index in September
Katpadi, India
- Average UV index in September: 7
The months with the highest UV index are March, April, May and June (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Katpadi, India
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 41).
The months with the least cloud cover are March and April (Cloud cover 15).
Average visibility in September
Katpadi, India
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August and September (10km).
The months with the lowest visibility are November and December (8km).
