September weather forecastVandiperiyar, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a moderately hot month in Vandiperiyar, India, with an average temperature fluctuating between 21.1°C (70°F) and 29.3°C (84.7°F).Temperature
The average high-temperature for September is a still moderately hot 29.3°C (84.7°F), closely aligning with the temperature of the preceding month. Throughout September, the nighttime temperature averages to an agreeable 21.1°C (70°F).Heat index
The heat index value for September is calculated to be a tropical 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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.
Humidity
The average relative humidity in September is 74%.Rainfall
In Vandiperiyar, during September, the rain falls for 23.6 days and regularly aggregates up to 91mm (3.58") of precipitation. Throughout the year, in Vandiperiyar, there are 245.5 rainfall days, and 1034mm (40.71") of precipitation is accumulated.Snowfall
The only month with snowfall is September. The month with the most snowfall days in Vandiperiyar is September, when snow falls for 0.1 days.Daylight
In September, the average length of the day is 12h and 11min.On the first day of September, sunrise is at 6:12 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 6:12 pm IST.
Sunshine
In Vandiperiyar, India, the average sunshine in September is 8.5h.UV index
The months with the lowest UV index in Vandiperiyar are January, February, June through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vandiperiyar, India
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is April (33°C).
The month with the lowest average high temperature is December (27°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is May (22.9°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).
Average pressure in September
Vandiperiyar, India
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is May (1007.6mbar).
Average wind speed in September
Vandiperiyar, India
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in September
Vandiperiyar, India
- Average humidity in September: 74%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is March (62%).
Average rainfall in September
Vandiperiyar, India
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is October (202mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Vandiperiyar, India
- Average rainfall days in September: 23.6 days
The month with the highest number of rainy days is May (27.3 days).
The month with the least rainy days is January (7.6 days).
Average snowfall days in September
Vandiperiyar, India
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Vandiperiyar, 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 36min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is May (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Vandiperiyar, India
- Average sunshine days in September: 4.2 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (1.8 days).
Average UV index in September
Vandiperiyar, India
- Average UV index in September: 6
The months with the highest UV index are March, April and May (UV index 7).
The months with the lowest UV index are January, February, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Vandiperiyar, India
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 41).
The months with the least cloud cover are February and March (Cloud cover 17).
Average visibility in September
Vandiperiyar, 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).
