September weather forecastThiruvarur, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Thiruvarur, is another tropical month, with an average temperature ranging between max 33.2°C (91.8°F) and min 26.5°C (79.7°F).Temperature
September's arrival registers an average high-temperature of a still hot 33.2°C (91.8°F), closely aligning with the temperature of the previous month. The month of September records an average low-temperature of 26.5°C (79.7°F).Heat index
September's average heat index is appraised at a blisteringly hot 44°C (111.2°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in September in Thiruvarur is 69%.Rainfall
In Thiruvarur, in September, it is raining for 18.4 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 158.6 rainfall days, and 373mm (14.69") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 11min.On the first day of September in Thiruvarur, sunrise is at 6:01 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:02 pm IST.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 7 in September translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thiruvarur, India
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is May (36.3°C).
The month with the lowest average high temperature is January (28.2°C).
- Average low temperature in September: 26.5°C
The month with the highest average low temperature is May (28.8°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in September
Thiruvarur, India
- Average pressure in September: 1007.3mbar
The month with the highest atmospheric pressure is January (1013.1mbar).
The month with the lowest atmospheric pressure is June (1005.3mbar).
Average wind speed in September
Thiruvarur, India
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is June (18.5km/h).
The calmest month (with the lowest average wind speed) is October (12km/h).
Average humidity in September
Thiruvarur, India
- Average humidity in September: 69%
The months with the highest relative humidity are November and December (81%).
The month with the lowest relative humidity is June (59%).
Average rainfall in September
Thiruvarur, India
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Thiruvarur, India
- Average rainfall days in September: 18.4 days
The month with the highest number of rainy days is October (20.7 days).
The month with the least rainy days is February (4.8 days).
Average daylight in September /
Average sunshine in September
Thiruvarur, 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 6min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Thiruvarur, India
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is October (8 days).
Average UV index in September
Thiruvarur, 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 and December (UV index 6).
Average cloud cover in September
Thiruvarur, India
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is March (Cloud cover 15).
Average visibility in September
Thiruvarur, India
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





