September weather forecastKalpakkam, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another tropical month in Kalpakkam, India, with an average temperature ranging between min 26.1°C (79°F) and max 34°C (93.2°F).Temperature
The transition from August to September brings an average high-temperature of a hot 34°C (93.2°F), barely different from August's 35°C (95°F). Kalpakkam in September anticipates an average nighttime temperature of 26.1°C (79°F).Heat index
During September, the heat index is calculated to be a blazing hot 45°C (113°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Be informed that the heat index values are oriented around shady conditions and gentle breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In September, the average relative humidity in Kalpakkam, India, is 67%.Rainfall
In Kalpakkam, in September, it is raining for 16.1 days, with typically 59mm (2.32") of accumulated precipitation. In Kalpakkam, during the entire year, the rain falls for 115.9 days and collects up to 537mm (21.14") of precipitation.Daylight
The average length of the day in September is 12h and 12min.On the first day of September, sunrise is at 5:58 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 6:00 pm IST.
Sunshine
In Kalpakkam, the average sunshine in September is 10.6h.UV index
In Kalpakkam, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalpakkam, India
- Average high temperature in September: 34°C
The warmest month (with the highest average high temperature) is May (39.1°C).
The month with the lowest average high temperature is December (28.7°C).
- Average low temperature in September: 26.1°C
The months with the highest average low temperature are May and June (29.1°C).
The coldest month (with the lowest average low temperature) is February (21.1°C).
Average pressure in September
Kalpakkam, India
- Average pressure in September: 1006.9mbar
The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is June (1004.4mbar).
Average wind speed in September
Kalpakkam, India
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is June (15.7km/h).
The calmest month (with the lowest average wind speed) is October (10.4km/h).
Average humidity in September
Kalpakkam, India
- Average humidity in September: 67%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is June (51%).
Average rainfall in September
Kalpakkam, India
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is November (166mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Kalpakkam, India
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is October (19.8 days).
The month with the least rainy days is February (3.8 days).
Average daylight in September /
Average sunshine in September
Kalpakkam, 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 month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Kalpakkam, India
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is March (25.6 days).
The month with the least sunshine days is October (10.4 days).
Average UV index in September
Kalpakkam, India
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July and August (UV index 8).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in September
Kalpakkam, India
- Average cloud cover in September: 39
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 15).
Average visibility in September
Kalpakkam, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
