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
September
Weather in September
Temperature
In Koggala, the lowest average temperatures are observed in September, with a high of 28.5°C (83.3°F) and a low of 25.9°C (78.6°F).Heat index
During September, the heat index is appraised at a tropical 34°C (93.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. 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 are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
June and September, with an average relative humidity of 81%, are the most humid months.Rainfall
In Koggala, in September, it is raining for 25.4 days, with typically 252mm (9.92") of accumulated precipitation. Throughout the year, in Koggala, there are 292.9 rainfall days, and 1842mm (72.52") of precipitation is accumulated.Daylight
In September, the average length of the day in Koggala is 12h and 9min.On the first day of September, sunrise is at 06:01 and sunset at 18:15. On the last day of the month, sunrise is at 05:56 and sunset at 18:00 +0530.
Sunshine
The average sunshine in September in Koggala is 8.3h.UV index
May, June and September, with an average maximum UV index of 6, are months with the lowest UV index in Koggala. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Koggala?
How hot is September in Koggala?
What are the most humid months in Koggala?
What is the average humidity in September in Koggala?
How much does it rain in Koggala in September?
What is the average length of the day in September in Koggala?
When is the sunrise / sunset in September in Koggala?
How many hours of sunshine does Koggala have in September?
What are the months with the lowest UV index in Koggala?
What is the UV index reading in September in Koggala?
Average temperature in September
Koggala, 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: 25.9°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
Koggala, 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
Koggala, Sri Lanka
- Average wind speed in September: 18.8km/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
Koggala, 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
Koggala, Sri Lanka
- Average rainfall in September: 252mm
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
Koggala, Sri Lanka
- Average rainfall days in September: 25.4 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
Koggala, 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 2min
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
Koggala, Sri Lanka
- Average sunshine days in September: 1.2 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
Koggala, 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
Koggala, Sri Lanka
- Average cloud cover in September: 51
The months with the most cloud cover are June and September (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in September
Koggala, 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).
