September weather forecastLalgudi, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another hot month in Lalgudi, India, with an average temperature ranging between max 34.7°C (94.5°F) and min 25.6°C (78.1°F).Temperature
September's average high-temperature is a hot 34.7°C (94.5°F), maintaining a close comparison with August's 35°C (95°F). The average low-temperature of 25.6°C (78.1°F) is witnessed during September.Heat index
September's average heat index is evaluated at a blisteringly hot 44°C (111.2°F). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 remain especially vital for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The average relative humidity in September in Lalgudi is 60%.Rainfall
In September, in Lalgudi, India, the rain falls for 18.2 days. Throughout September, 50mm (1.97") of precipitation is accumulated. In Lalgudi, India, during the entire year, the rain falls for 169.2 days and collects up to 485mm (19.09") of precipitation.Daylight
In September, the average length of the day in Lalgudi is 12h and 11min.On the first day of the month, sunrise is at 6:04 am and sunset at 6:24 pm. On the last day of September, sunrise is at 6:03 am and sunset at 6:05 pm IST.
Sunshine
In September, the average sunshine in Lalgudi is 8.9h.UV index
In Lalgudi, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lalgudi, India
- Average high temperature in September: 34.7°C
The warmest month (with the highest average high temperature) is May (38.5°C).
The month with the lowest average high temperature is December (29.1°C).
- Average low temperature in September: 25.6°C
The month with the highest average low temperature is May (28.5°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).
Average pressure in September
Lalgudi, India
- Average pressure in September: 1007.8mbar
The month with the highest atmospheric pressure is January (1013.4mbar).
The month with the lowest atmospheric pressure is June (1006.1mbar).
Average wind speed in September
Lalgudi, India
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is July (17.1km/h).
The calmest month (with the lowest average wind speed) is October (9.1km/h).
Average humidity in September
Lalgudi, India
- Average humidity in September: 60%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are June and July (51%).
Average rainfall in September
Lalgudi, India
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in September
Lalgudi, India
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is October (22.3 days).
The month with the least rainy days is February (5 days).
Average daylight in September /
Average sunshine in September
Lalgudi, 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 54min
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 42min).
Average sunshine days in September
Lalgudi, India
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is October (7.1 days).
Average UV index in September
Lalgudi, India
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July and August (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Lalgudi, India
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility in September
Lalgudi, 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).





