September weather forecastAriyalur, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another tropical month in Ariyalur, India, with an average temperature varying between 34.8°C (94.6°F) and 25.5°C (77.9°F).Temperature
In September, Ariyalur experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 35.3°C (95.5°F) in August to a hot 34.8°C (94.6°F). Ariyalur, during the month of September, experiences an average low-temperature of 25.5°C (77.9°F).Heat index
During September, the heat index is calculated to be a life-threatening hot 47°C (116.6°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.The heat index's values are generally associated with conditions in shade and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September in Ariyalur is 65%.Rainfall
In Ariyalur, during September, the rain falls for 21 days and regularly aggregates up to 56mm (2.2") of precipitation. In Ariyalur, India, during the entire year, the rain falls for 178.4 days and collects up to 608mm (23.94") of precipitation.Daylight
The average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 6:03 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:04 pm IST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Ariyalur is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 7 in September translates into these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ariyalur, India
- Average high temperature in September: 34.8°C
The warmest month (with the highest average high temperature) is May (38.8°C).
The month with the lowest average high temperature is December (28.9°C).
- Average low temperature in September: 25.5°C
The month with the highest average low temperature is May (28.3°C).
The coldest month (with the lowest average low temperature) is January (20.7°C).
Average pressure in September
Ariyalur, India
- Average pressure in September: 1007.4mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is June (1005.4mbar).
Average wind speed in September
Ariyalur, India
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is October (10km/h).
Average humidity in September
Ariyalur, India
- Average humidity in September: 65%
The months with the highest relative humidity are November and December (81%).
The month with the lowest relative humidity is June (52%).
Average rainfall in September
Ariyalur, India
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is October (125mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in September
Ariyalur, India
- Average rainfall days in September: 21 days
The month with the highest number of rainy days is October (22.1 days).
The month with the least rainy days is February (4.8 days).
Average daylight in September /
Average sunshine in September
Ariyalur, 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 30min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 36min).
Average sunshine days in September
Ariyalur, India
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is March (22.5 days).
The month with the least sunshine days is October (7.1 days).
Average UV index in September
Ariyalur, 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
Ariyalur, India
- Average cloud cover in September: 36
The months with the most cloud cover are November and December (Cloud cover 43).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility in September
Ariyalur, India
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
