September weather forecastMarakkanam, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Marakkanam, is another hot month, with an average temperature varying between 26°C (78.8°F) and 33.6°C (92.5°F).Temperature
The arrival of September brings an average high-temperature of a still hot 33.6°C (92.5°F), subtly diverging from August's 34.4°C (93.9°F). Marakkanam records an average nighttime low-temperature of 26°C (78.8°F) throughout September.Heat index
For most parts of September, the heat index is calculated to be a blisteringly hot 44°C (111.2°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In Marakkanam, the average relative humidity in September is 68%.Rainfall
In Marakkanam, during September, the rain falls for 24.2 days and regularly aggregates up to 88mm (3.46") of precipitation. Throughout the year, there are 168.6 rainfall days, and 684mm (26.93") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 12min.On the first day of September in Marakkanam, sunrise is at 5:59 am and sunset at 6:20 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:01 pm IST.
Sunshine
The average sunshine in September in Marakkanam, India, is 8.9h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marakkanam, India
- Average high temperature in September: 33.6°C
The warmest month (with the highest average high temperature) is May (38.5°C).
The month with the lowest average high temperature is December (28.8°C).
- Average low temperature in September: 26°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in September
Marakkanam, India
- Average pressure in September: 1007.2mbar
The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is June (1004.8mbar).
Average wind speed in September
Marakkanam, India
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is June (15km/h).
The calmest month (with the lowest average wind speed) is October (10km/h).
Average humidity in September
Marakkanam, India
- Average humidity in September: 68%
The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is June (53%).
Average rainfall in September
Marakkanam, India
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is October (145mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Marakkanam, India
- Average rainfall days in September: 24.2 days
The month with the highest number of rainy days is September (24.2 days).
The month with the least rainy days is February (3.7 days).
Average daylight in September /
Average sunshine in September
Marakkanam, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 54min
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
Marakkanam, India
- Average sunshine days in September: 4.4 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is September (4.4 days).
Average UV index in September
Marakkanam, 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
Marakkanam, India
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 40).
The month with the least cloud cover is April (Cloud cover 14).
Average visibility in September
Marakkanam, 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).
