September weather forecastKattanam, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Kattanam, is also a moderately hot month, with an average temperature varying between 24.7°C (76.5°F) and 29.2°C (84.6°F).Temperature
September's advent presents an average high-temperature of a still warm 29.2°C (84.6°F), indicating a slight variation from the conditions of the previous month. An average nighttime temperature of 24.7°C (76.5°F) marks September in Kattanam.Heat index
The heat index in September is computed to be a torrid 36°C (96.8°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity is 81%.Rainfall
In Kattanam, India, in September, during 21 rainfall days, 157mm (6.18") of precipitation is typically accumulated. In Kattanam, during the entire year, the rain falls for 238.2 days and collects up to 1794mm (70.63") of precipitation.Daylight
In Kattanam, India, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 6:14 am and sunset at 6:32 pm. On the last day of September, in Kattanam, India, sunrise is at 6:12 am and sunset at 6:15 pm IST.
Sunshine
In Kattanam, the average sunshine in September is 7.8h.UV index
January through April, July through December, with an average maximum UV index of 7, are months with the highest UV index in Kattanam. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 7 in September transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kattanam, India
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is April (32.8°C).
The months with the lowest average high temperature are July and August (28.8°C).
- Average low temperature in September: 24.7°C
The months with the highest average low temperature are April and May (26.9°C).
The coldest month (with the lowest average low temperature) is January (23°C).
Average pressure in September
Kattanam, India
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is May (1008.1mbar).
Average wind speed in September
Kattanam, India
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is July (13.5km/h).
The calmest month (with the lowest average wind speed) is November (7.9km/h).
Average humidity in September
Kattanam, India
- Average humidity in September: 81%
The months with the highest relative humidity are July and August (82%).
The months with the lowest relative humidity are January and February (70%).
Average rainfall in September
Kattanam, India
- Average rainfall in September: 157mm
The wettest month (with the highest rainfall) is June (431mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in September
Kattanam, India
- Average rainfall days in September: 21 days
The month with the highest number of rainy days is June (28.3 days).
The month with the least rainy days is January (6.9 days).
Average daylight in September /
Average sunshine in September
Kattanam, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 7h and 48min
The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 30min).
Average sunshine days in September
Kattanam, India
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is June (0.6 days).
Average UV index in September
Kattanam, India
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are May and June (UV index 6).
Average cloud cover in September
Kattanam, India
- Average cloud cover in September: 52
The month with the most cloud cover is June (Cloud cover 59).
The months with the least cloud cover are January and February (Cloud cover 17).
Average visibility in September
Kattanam, India
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).





