September weather forecastPeriyakulam, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another hot month in Periyakulam, India, with an average temperature varying between 31.6°C (88.9°F) and 22.9°C (73.2°F).Temperature
September's climate reveals an average high-temperature of a still tropical 31.6°C (88.9°F), consistent with August. The low-temperature average for Periyakulam during September stands at a pleasant 22.9°C (73.2°F).Heat index
The heat index in September is calculated to be a sweltering 37°C (98.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. 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. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In September, the average relative humidity is 64%.Rainfall
In Periyakulam, in September, during 18.2 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Periyakulam, during the entire year, the rain falls for 177.9 days and collects up to 910mm (35.83") of precipitation.Daylight
In September, the average length of the day in Periyakulam is 12h and 11min.On the first day of the month, sunrise is at 6:10 am and sunset at 6:29 pm. On the last day of September, sunrise is at 6:08 am and sunset at 6:10 pm IST.
Sunshine
In September, the average sunshine is 9.2h.UV index
February through September, with an average maximum UV index of 7, are months with the highest UV index in Periyakulam, India. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Periyakulam, India
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is April (34.8°C).
The month with the lowest average high temperature is December (27.2°C).
- Average low temperature in September: 22.9°C
The month with the highest average low temperature is May (24.2°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in September
Periyakulam, India
- Average pressure in September: 1008.7mbar
The month with the highest atmospheric pressure is January (1012.8mbar).
The months with the lowest atmospheric pressure are May and June (1007.5mbar).
Average wind speed in September
Periyakulam, India
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is July (13.6km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Periyakulam, India
- Average humidity in September: 64%
The months with the highest relative humidity are November and December (78%).
The months with the lowest relative humidity are March and April (55%).
Average rainfall in September
Periyakulam, India
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is October (216mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Periyakulam, India
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is January (5 days).
Average daylight in September /
Average sunshine in September
Periyakulam, 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 30min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in September
Periyakulam, India
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is October (4.5 days).
Average UV index in September
Periyakulam, India
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Periyakulam, India
- Average cloud cover in September: 29
The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is March (Cloud cover 15).
Average visibility in September
Periyakulam, India
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).
