September weather forecastTiruvottiyur, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a hot month in Tiruvottiyur, India, with an average temperature varying between 27.3°C (81.1°F) and 31.6°C (88.9°F).Temperature
Upon the beginning of September, Tiruvottiyur's high-temperatures register at a still tropical 31.6°C (88.9°F), closely mirroring the preceding month. Nighttime in Tiruvottiyur, India, during September, brings an average low of 27.3°C (81.1°F), a modest reduction from the day's peak.Heat index
The average heat index in September is computed to be a scorching 40°C (104°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In Tiruvottiyur, the average relative humidity in September is 72%.Rainfall
In Tiruvottiyur, in September, during 23.1 rainfall days, 98mm (3.86") of precipitation is typically accumulated. In Tiruvottiyur, during the entire year, the rain falls for 157.6 days and collects up to 823mm (32.4") of precipitation.Sea temperature
In September, the average sea temperature is 29.3°C (84.7°F).Note: Between 25°C (77°F) and 29°C (84.2°F), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:19 pm. On the last day of September, sunrise is at 5:58 am and sunset at 5:59 pm IST.
Sunshine
The average sunshine in September in Tiruvottiyur, India, is 10.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 7 suggests this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tiruvottiyur, India
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is May (34.8°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in September: 27.3°C
The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (23.4°C).
Average pressure in September
Tiruvottiyur, India
- Average pressure in September: 1006.7mbar
The month with the highest atmospheric pressure is January (1013.6mbar).
The month with the lowest atmospheric pressure is June (1004.2mbar).
Average wind speed in September
Tiruvottiyur, India
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is May (19.2km/h).
The calmest months (with the lowest average wind speed) are February and October (12.8km/h).
Average humidity in September
Tiruvottiyur, India
- Average humidity in September: 72%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Tiruvottiyur, India
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is November (213mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Tiruvottiyur, India
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is September (23.1 days).
The month with the least rainy days is February (2.9 days).
Average sea temperature in September
Tiruvottiyur, India
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is May (29.5°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).
Average daylight in September /
Average sunshine in September
Tiruvottiyur, 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: 10h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Tiruvottiyur, India
- Average sunshine days in September: 6.2 days
The month with the most sunshine days is March (26.5 days).
The month with the least sunshine days is September (6.2 days).
Average UV index in September
Tiruvottiyur, India
- Average UV index in September: 7
The months with the highest UV index are April, May, June and July (UV index 8).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in September
Tiruvottiyur, India
- Average cloud cover in September: 36
The months with the most cloud cover are July and August (Cloud cover 40).
The months with the least cloud cover are March and April (Cloud cover 12).
Average visibility in September
Tiruvottiyur, 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).
