September weather forecastVeravil, Sri Lanka

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Veravil, Sri Lanka, with an average temperature ranging between max 28.8°C (83.8°F) and min 27.5°C (81.5°F).

Temperature

With the advent of September, Veravil experiences an average high-temperature of a still warm 28.8°C (83.8°F), reflecting the conditions of August. Recording a slight drop from the daily maximum, Veravil notes an average low temperature of 27.5°C (81.5°F) in the month of September.

Heat index

In September, the average heat index is evaluated at a tropical 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. 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. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 79%.

Rainfall

In September, in Veravil, the rain falls for 15.5 days. Throughout September, 58mm (2.28") of precipitation is accumulated. In Veravil, during the entire year, the rain falls for 148.6 days and collects up to 769mm (30.28") of precipitation.

Daylight

In Veravil, the average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 06:00 and sunset at 18:18. On the last day of the month, sunrise is at 05:58 and sunset at 18:01 +0530.

Sunshine

In Veravil, the average sunshine in September is 10.2h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a regular UV index of 7 translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

September temperatures in Veravil vary between a high-temperature of 28.8°C (83.8°F) and a low-temperature of 27.5°C (81.5°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 34°C (93.2°F).

The months with the highest humidity are May, August and September, with an average relative humidity of 79%.

In September, the average relative humidity in Veravil, Sri Lanka, is 79%.

In Veravil, Sri Lanka, in September, during 15.5 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

The average day length in September in Veravil, Sri Lanka, is 12h and 11min.

On the first day of September in Veravil, Sri Lanka, sunrise is at 06:00 and sunset at 18:18. On the last day of the month, sunrise is at 05:58 and sunset at 18:01 +0530.

In Veravil, the average sunshine duration in September is 10.2h.

January through October and December, with an average maximum UV index of 7, are months with the highest UV index.

In Veravil, Sri Lanka, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Veravil, Sri Lanka

  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).

  • Average low temperature in September: 27.5°C

The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).

Average pressure in September
Veravil, Sri Lanka

  • Average pressure in September: 1007.6mbar

The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).

Average wind speed in September
Veravil, Sri Lanka

  • Average wind speed in September: 28.3km/h

The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).

Average humidity in September
Veravil, Sri Lanka

  • Average humidity in September: 79%

The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).

Average rainfall in September
Veravil, Sri Lanka

  • Average rainfall in September: 58mm

The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).

Average rainfall days in September
Veravil, Sri Lanka

  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).

Average daylight in September /
Average sunshine in September
Veravil, Sri Lanka

  • 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: 10h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Veravil, Sri Lanka

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).

Average UV index in September
Veravil, Sri Lanka

  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

Average cloud cover in September
Veravil, Sri Lanka

  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).

Average visibility in September
Veravil, Sri Lanka

  • 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).