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
Weather in September
Temperature
Bogawantalawa records an average high-temperature of a still moderately hot 27.1°C (80.8°F) in September, maintaining temperature consistency with the previous month. Nighttime temperatures in September average to a refreshing 18.7°C (65.7°F) in Bogawantalawa, Sri Lanka.Heat index
The average heat index in September is estimated at a hot 30°C (86°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Bogawantalawa, the average relative humidity in September is 82%.Rainfall
In Bogawantalawa, during September, the rain falls for 25.5 days and regularly aggregates up to 182mm (7.17") of precipitation. Throughout the year, in Bogawantalawa, there are 297.4 rainfall days, and 2784mm (109.61") of precipitation is accumulated.Daylight
In September, the average length of the day in Bogawantalawa is 12h and 10min.On the first day of September, sunrise is at 05:59 and sunset at 18:14. On the last day of the month, sunrise is at 05:55 and sunset at 17:59 +0530.
Sunshine
The average sunshine in September is 9.5h.UV index
February through September, with an average maximum UV index of 6, are months with the highest UV index in Bogawantalawa, Sri Lanka. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Bogawantalawa?
What is the average humidity in September in Bogawantalawa?
How many days does it rain in September in Bogawantalawa?
What is the average length of the day in September in Bogawantalawa?
When are sunrise and sunset in September in Bogawantalawa?
How many hours of sunshine does Bogawantalawa have in September?
What are the months with the highest UV index in Bogawantalawa?
What is the UV index intensity in September in Bogawantalawa?
Average temperature in September
Bogawantalawa, Sri Lanka
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).
Average pressure in September
Bogawantalawa, Sri Lanka
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in September
Bogawantalawa, Sri Lanka
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).
Average humidity in September
Bogawantalawa, Sri Lanka
- Average humidity in September: 82%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).
Average rainfall in September
Bogawantalawa, Sri Lanka
- Average rainfall in September: 182mm
The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in September
Bogawantalawa, Sri Lanka
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).
Average daylight in September /
Average sunshine in September
Bogawantalawa, Sri Lanka
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Bogawantalawa, Sri Lanka
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).
Average UV index in September
Bogawantalawa, Sri Lanka
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover in September
Bogawantalawa, Sri Lanka
- Average cloud cover in September: 44
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Bogawantalawa, Sri Lanka
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).
Bogawantalawa, Sri Lanka
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