September weather forecastPonnampet, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Ponnampet, is another warm month, with temperature in the range of an average low of 19.3°C (66.7°F) and an average high of 27.4°C (81.3°F).Temperature
The high-temperature average in September for Ponnampet is a still warm 27.4°C (81.3°F), staying closely aligned with August's conditions. An average nighttime temperature of 19.3°C (66.7°F) is witnessed throughout September.Heat index
September's mean heat index is estimated at a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Ponnampet is 87%.Rainfall
In Ponnampet, during September, the rain falls for 25.5 days and regularly aggregates up to 140mm (5.51") of precipitation. Throughout the year, in Ponnampet, India, there are 246.5 rainfall days, and 1699mm (66.89") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 12min.On the first day of September, sunrise is at 6:15 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 6:17 pm IST.
Sunshine
In Ponnampet, the average sunshine in September is 6.2h.UV index
July and September, with an average maximum UV index of 5, are months with the lowest UV index in Ponnampet. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ponnampet, India
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is March (34.2°C).
The month with the lowest average high temperature is July (25.3°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).
Average pressure in September
Ponnampet, India
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is January (1013mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Ponnampet, India
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is July (8.2km/h).
The calmest month (with the lowest average wind speed) is March (4.2km/h).
Average humidity in September
Ponnampet, India
- Average humidity in September: 87%
The months with the highest relative humidity are July and August (89%).
The month with the lowest relative humidity is February (59%).
Average rainfall in September
Ponnampet, India
- Average rainfall in September: 140mm
The wettest month (with the highest rainfall) is October (259mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in September
Ponnampet, India
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is January (4.8 days).
Average daylight in September /
Average sunshine in September
Ponnampet, 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 24min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 4h and 18min).
Average sunshine days in September
Ponnampet, India
- Average sunshine days in September: 3 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is August (0.7 days).
Average UV index in September
Ponnampet, India
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are July and September (UV index 5).
Average cloud cover in September
Ponnampet, India
- Average cloud cover in September: 65
The month with the most cloud cover is July (Cloud cover 76).
The month with the least cloud cover is February (Cloud cover 13).
Average visibility in September
Ponnampet, India
- Average visibility in September: 6km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is September (6km).





