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
Piyadigama's coldest temperatures are experienced in September, with average high temperatures of 28.5°C (83.3°F) and lows of 26°C (78.8°F).Heat index
In September, the average heat index is evaluated at a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
June and September, with an average relative humidity of 81%, are the most humid months.Rainfall
In September, the rain falls for 25 days. Throughout September, 207mm (8.15") of precipitation is accumulated. In Piyadigama, during the entire year, the rain falls for 292.5 days and collects up to 1797mm (70.75") of precipitation.Daylight
The average length of the day in September in Piyadigama, Sri Lanka, is 12h and 9min.On the first day of the month, sunrise is at 06:02 and sunset at 18:16. On the last day of September, in Piyadigama, sunrise is at 05:56 and sunset at 18:01 +0530.
Sunshine
In September, the average sunshine is 8.7h.UV index
May, June and September, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the coldest months in Piyadigama?
How hot does it get in Piyadigama in September?
What are the most humid months in Piyadigama?
What is the average humidity in September in Piyadigama?
How many days does it rain in September in Piyadigama?
How many hours of daylight does Piyadigama have in September?
When is the sunrise / sunset in September in Piyadigama?
How long on average sun shines in September in Piyadigama?
When is the lowest UV index in Piyadigama?
How high is the UV index in September in Piyadigama?
Average temperature in September
Piyadigama, Sri Lanka
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is April (30.3°C).
The month with the lowest average high temperature is September (28.5°C).
- Average low temperature in September: 26°C
The month with the highest average low temperature is May (27.1°C).
The coldest month (with the lowest average low temperature) is January (24.1°C).
Average pressure in September
Piyadigama, Sri Lanka
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is January (1011.3mbar).
The month with the lowest atmospheric pressure is May (1009mbar).
Average wind speed in September
Piyadigama, Sri Lanka
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is June (21.7km/h).
The calmest month (with the lowest average wind speed) is January (8.7km/h).
Average humidity in September
Piyadigama, Sri Lanka
- Average humidity in September: 81%
The months with the highest relative humidity are June and September (81%).
The months with the lowest relative humidity are January, February and March (77%).
Average rainfall in September
Piyadigama, Sri Lanka
- Average rainfall in September: 207mm
The wettest month (with the highest rainfall) is May (263mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Piyadigama, Sri Lanka
- Average rainfall days in September: 25 days
The months with the highest number of rainy days are June and August (28.3 days).
The month with the least rainy days is February (15.4 days).
Average daylight in September /
Average sunshine in September
Piyadigama, 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 4min
The month with the most sunshine is April (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Piyadigama, Sri Lanka
- Average sunshine days in September: 1.3 days
The month with the most sunshine days is January (12 days).
The month with the least sunshine days is June (0.3 days).
Average UV index in September
Piyadigama, Sri Lanka
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May, June and September (UV index 6).
Average cloud cover in September
Piyadigama, Sri Lanka
- Average cloud cover in September: 49
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in September
Piyadigama, Sri Lanka
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).
Piyadigama, Sri Lanka
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