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
During August and September, Welipitimodara registers its lowest temperatures, averaging a high of 28.3°C (82.9°F).Heat index
The heat index value for September is estimated at a tropical 33°C (91.4°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Heat index data is primarily for areas with shade and subjected to light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 hold great significance to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
June and September, with an average relative humidity of 82%, are the most humid months in Welipitimodara, Sri Lanka.Rainfall
In Welipitimodara, Sri Lanka, in September, during 24.5 rainfall days, 222mm (8.74") of precipitation is typically accumulated. Throughout the year, in Welipitimodara, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.Daylight
In September, the average length of the day in Welipitimodara is 12h and 9min.On the first day of September in Welipitimodara, sunrise is at 06:02 and sunset at 18:16. On the last day of the month, sunrise is at 05:57 and sunset at 18:01 +0530.
Sunshine
In September, the average sunshine is 8.5h.UV index
The months with the lowest UV index in Welipitimodara are May and September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What month is the coldest in Welipitimodara?
Is it hot in Welipitimodara during September?
What are the most humid months in Welipitimodara?
What is the average humidity in September in Welipitimodara?
How many days does it rain in September in Welipitimodara?
What is the average length of the day in September in Welipitimodara?
When are sunrise and sunset in September in Welipitimodara?
How long on average sun shines in September in Welipitimodara?
What are the months with the lowest UV index in Welipitimodara?
What is the UV index intensity in September in Welipitimodara?
Average temperature in September
Welipitimodara, Sri Lanka
- Average high temperature in September: 28.3°C
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
- Average low temperature in September: 25.8°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure in September
Welipitimodara, Sri Lanka
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in September
Welipitimodara, Sri Lanka
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity in September
Welipitimodara, Sri Lanka
- Average humidity in September: 82%
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in September
Welipitimodara, Sri Lanka
- Average rainfall in September: 222mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Welipitimodara, Sri Lanka
- Average rainfall days in September: 24.5 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average daylight in September /
Average sunshine in September
Welipitimodara, 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 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Welipitimodara, Sri Lanka
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index in September
Welipitimodara, Sri Lanka
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover in September
Welipitimodara, Sri Lanka
- Average cloud cover in September: 50
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in September
Welipitimodara, Sri Lanka
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
Welipitimodara, Sri Lanka
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