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
Walagedara experiences the lowest of its temperatures in August and September, when the average high-temperatures rise to 28.3°C (82.9°F).Heat index
The heat index in September is evaluated at a tropical 33°C (91.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The months with the highest humidity in Walagedara are June and September, with an average relative humidity of 82%.Rainfall
In Walagedara, during September, the rain falls for 24.9 days and regularly aggregates up to 274mm (10.79") of precipitation. In Walagedara, during the entire year, the rain falls for 287.3 days and collects up to 2026mm (79.76") of precipitation.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 06:02 and sunset at 18:16. On the last day of September, sunrise is at 05:57 and sunset at 18:01 +0530.
Sunshine
In Walagedara, Sri Lanka, the average sunshine in September is 8.2h.UV index
The months with the lowest UV index in Walagedara, Sri Lanka, are May and September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What month is the coldest in Walagedara?
How hot is it in Walagedara in September?
What are the most humid months in Walagedara?
What is the average humidity in September in Walagedara?
How many days does it rain in September in Walagedara?
How many hours of daylight does Walagedara have in September?
When are sunrise and sunset in September in Walagedara?
How many hours of sunshine does Walagedara have in September?
What is the month with the lowest UV index in Walagedara?
What is the UV index reading in September in Walagedara?
Average temperature in September
Walagedara, 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
Walagedara, Sri Lanka
- Average pressure in September: 1010.1mbar
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
Walagedara, Sri Lanka
- Average wind speed in September: 17.4km/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
Walagedara, 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
Walagedara, Sri Lanka
- Average rainfall in September: 274mm
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
Walagedara, Sri Lanka
- Average rainfall days in September: 24.9 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
Walagedara, 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 1min
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
Walagedara, Sri Lanka
- Average sunshine days in September: 2.2 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
Walagedara, 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
Walagedara, Sri Lanka
- Average cloud cover in September: 52
The month with the most cloud cover is September (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in September
Walagedara, 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).
Walagedara, Sri Lanka
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