September weather forecastAlangayam, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another tropical month in Alangayam, India, with an average temperature fluctuating between 22.1°C (71.8°F) and 31°C (87.8°F).Temperature
At the start of September, Alangayam's average high-temperature reaches a still tropical 31°C (87.8°F), subtly different from the preceding month. The average low-temperature, in September, in Alangayam, is a pleasant 22.1°C (71.8°F).Heat index
The heat index for September is evaluated at a very hot 38°C (100.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. 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. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess 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. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In September, the average relative humidity in Alangayam is 72%.Rainfall
In Alangayam, India, in September, during 23.2 rainfall days, 115mm (4.53") of precipitation is typically accumulated. Throughout the year, there are 171.2 rainfall days, and 704mm (27.72") of precipitation is accumulated.Daylight
In September, the average length of the day in Alangayam is 12h and 12min.On the first day of September in Alangayam, sunrise is at 6:04 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:05 pm IST.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September in Alangayam is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alangayam, India
- Average high temperature in September: 31°C
The warmest month (with the highest average high temperature) is May (37.3°C).
The month with the lowest average high temperature is December (27°C).
- Average low temperature in September: 22.1°C
The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is January (16.1°C).
Average pressure in September
Alangayam, India
- Average pressure in September: 1008.1mbar
The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in September
Alangayam, India
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is July (16.8km/h).
The calmest month (with the lowest average wind speed) is October (7km/h).
Average humidity in September
Alangayam, India
- Average humidity in September: 72%
The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are April and May (50%).
Average rainfall in September
Alangayam, India
- Average rainfall in September: 115mm
The wettest month (with the highest rainfall) is October (124mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Alangayam, India
- Average rainfall days in September: 23.2 days
The month with the highest number of rainy days is September (23.2 days).
The month with the least rainy days is February (3.3 days).
Average daylight in September /
Average sunshine in September
Alangayam, 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 48min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in September
Alangayam, India
- Average sunshine days in September: 5.4 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is September (5.4 days).
Average UV index in September
Alangayam, India
- Average UV index in September: 7
The months with the highest UV index are April and May (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Alangayam, India
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 45).
The months with the least cloud cover are February and March (Cloud cover 15).
Average visibility in September
Alangayam, India
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July and August (10km).
The months with the lowest visibility are November and December (8km).





