Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the onset of September, Kalavai's average high-temperature clocks in at a still tropical 33.3°C (91.9°F), showing a minor fluctuation from the previous month. In September, Kalavai experiences an average nighttime temperature of 24.3°C (75.7°F).Heat index
For most parts of September, the heat index is calculated to be a scorching 44°C (111.2°F). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In Kalavai, the average relative humidity in September is 68%.Rainfall
In Kalavai, in September, during 22.9 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Kalavai, during the entire year, the rain falls for 174.7 days and collects up to 651mm (25.63") of precipitation.Daylight
In September, the average length of the day in Kalavai is 12h and 12min.On the first day of the month, sunrise is at 6:01 am and sunset at 6:23 pm. On the last day of September, sunrise is at 6:01 am and sunset at 6:02 pm IST.
Sunshine
The average sunshine in September in Kalavai is 8.6h.UV index
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 7 during September translates into the following guidance:
Deflect overexposure. Sun protection is a necessity. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Kalavai in September?
What is the average humidity in September in Kalavai?
How many days does it rain in September in Kalavai?
What is the average length of the day in September in Kalavai?
When is the sunrise / sunset in September in Kalavai?
How long on average sun shines in September in Kalavai?
How high is the UV index in September in Kalavai?
Average temperature in September
Kalavai, India
- Average high temperature in September: 33.3°C
The warmest month (with the highest average high temperature) is May (39.5°C).
The month with the lowest average high temperature is December (28.3°C).
- Average low temperature in September: 24.3°C
The month with the highest average low temperature is May (28.1°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).
Average pressure in September
Kalavai, India
- Average pressure in September: 1007.4mbar
The month with the highest atmospheric pressure is January (1014mbar).
The month with the lowest atmospheric pressure is June (1005mbar).
Average wind speed in September
Kalavai, India
- Average wind speed in September: 8.9km/h
The windiest months (with the highest average wind speed) are June and July (14km/h).
The calmest month (with the lowest average wind speed) is October (7.5km/h).
Average humidity in September
Kalavai, India
- Average humidity in September: 68%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is May (48%).
Average rainfall in September
Kalavai, India
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is October (143mm).
The driest month (with the least rainfall) is February (6mm).
Average rainfall days in September
Kalavai, India
- Average rainfall days in September: 22.9 days
The month with the highest number of rainy days is October (23.5 days).
The month with the least rainy days is February (4.8 days).
Average daylight in September /
Average sunshine in September
Kalavai, India
- Average daylight in September: 12h and 1min
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: 8h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Kalavai, India
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is March (23.2 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in September
Kalavai, 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, November and December (UV index 6).
Average cloud cover in September
Kalavai, India
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 15).
Average visibility in September
Kalavai, 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).
