September weather forecastMandapam, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Mandapam, is also a moderately hot month, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 27.5°C (81.5°F).Temperature
Mandapam, India, steps into September with an average high-temperature of a still moderately hot 28.5°C (83.3°F), matching the previous month. The month of September in Mandapam shows a minor drop from daytime temperatures, generally recording a low average of 27.5°C (81.5°F).Heat index
The heat index value for September is computed to be a hot 33°C (91.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
May, August and September, with an average relative humidity of 79%, are the most humid months.Rainfall
In Mandapam, during September, the rain falls for 15.6 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in Mandapam, there are 169.2 rainfall days, and 960mm (37.8") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 11min.On the first day of September in Mandapam, sunrise is at 6:04 am and sunset at 6:22 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:04 pm IST.
Sunshine
In September, the average sunshine is 9.5h.UV index
The months with the highest UV index are January through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 7 transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. 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
Mandapam, India
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is May (30.2°C).
The month with the lowest average high temperature is January (26.7°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is May (28.9°C).
The coldest month (with the lowest average low temperature) is January (25.4°C).
Average pressure in September
Mandapam, India
- Average pressure in September: 1007.9mbar
The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is June (1006.4mbar).
Average wind speed in September
Mandapam, India
- Average wind speed in September: 27.7km/h
The windiest month (with the highest average wind speed) is June (32.5km/h).
The calmest month (with the lowest average wind speed) is April (17.7km/h).
Average humidity in September
Mandapam, India
- Average humidity in September: 79%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (76%).
Average rainfall in September
Mandapam, India
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is November (254mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Mandapam, India
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is November (25.3 days).
The month with the least rainy days is July (5.4 days).
Average daylight in September /
Average sunshine in September
Mandapam, 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: 9h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Mandapam, India
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is November (3.8 days).
Average UV index in September
Mandapam, India
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover in September
Mandapam, India
- Average cloud cover in September: 27
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in September
Mandapam, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
