Sri Lanka Weather in September: Temperature, Precipitation, Wind
In September, Sri Lanka experiences warm temperatures with an average daily high of 30.2°C (86.4°F) and an average nightly low of 24.5°C (76.1°F). The humidity remains high at an average of 86.4%. September is part of the wet season in Sri Lanka, with frequent rainfall and an average precipitation of 40.45mm (1.59 inches). There is a high chance of precipitation, with an average precipitation probability of 96.7% and a 36.4% chance of rain covering the sky. Sri Lanka receives an average of 29 rainy days in September. The winds are moderately strong, with an average wind speed of 23.2 km/h (14.4 mph) and gusts up to 28.3 km/h (17.6 mph). The cloud cover is relatively high, with an average of 68.4%. Overall, September in Sri Lanka is warm and wet, with high humidity, frequent rainfall, and moderate winds. Travelers should be prepared for the possibility of rain and plan indoor activities or schedule outdoor activities during periods of lesser rainfall.
What is the temperature in Sri Lanka in September?
Average air temperature in Sri Lanka is 27°C (80.7°F) in September. The outside temperature in Sri Lanka feels like 29.7°C (85.4°F) on a typical September day. The highest average temperature during sunny days is 30.2°C (86.4°F) and feels like 36.5°C (97.6°F). The lowest average temperature after dark is 24.5°C (76.1°F) which feels like 24.6°C (76.2°F).
How hot is Sri Lanka in September?
The hot temperature in September in Sri Lanka rises to 32.1°C (89.8°F) on sunny days with low cloud coverage and 86.4% humidity. During hottest days of September it feels like 39.3 °C (102.7°F). The average maximum temp in Sri Lanka is 30.2°C (102.7°F) during day time in September.
How cold is Sri Lanka in September?
The coldest temp in Sri Lanka in September drops to 23°C (73.4°F) during the cold nights. With 23.2km/h (14.4mph) winds and 86.4% humidity it feels like 23°C (73.4°F) on the coldest nights. The average minimum temperature is 24.5°C (76.1°F) during night time in September.
Does it rain in Sri Lanka in September?
Yes, it rains for 29 days in Sri Lanka in September averaging 40.45 mm of precipitation. Sri Lanka has a 96.7% chance for rain throughout the entire month of September.
How much does it rain in Sri Lanka throughout September?
Sri Lanka has 40.45 mm (1.59 inch) of rain per day on average in September. It rains for an average of 29 days out of the entire month.
Is Sri Lanka windy in September?
The average speed of wind in Sri Lanka during September is 23.2km/h (14.4mph) and average windgust is 28.3km/h (17.6mph). On some days in September wind can reach up to 31.7km/h (19.7mph).
What is the direction of the wind in Sri Lanka in September?
Most days of September the wind is blowing from South-Southwest direction in Sri Lanka.
What are the humidity levels in Sri Lanka in September?
The average humidity levels in Sri Lanka in September are 86.4%. Daily humidity levels in Sri Lanka range from 80.2% to 92% during September.
How many hours of daylight are in Sri Lanka in September?
Sri Lanka has 12 hours 09 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Sri Lanka in September is at 6:00:50 and the sunset is at 18:10:21.
What is the cloud coverage in Sri Lanka in September?
Clouds cover 68.4% of the sky on average throughout September in Sri Lanka. The cloud coverage ranges from 47.9% to 86.3% depending on the day of the month.
What is the UV level in September in Sri Lanka?
The average UV index in Sri Lanka is 7.5 in September. UV levels change throughout the month and range from 1 to 10.
What is the solar radiation in Sri Lanka in September?
The average solar radiation is 196.3 W/m2 (Watts per square meter) in Sri Lanka during September. However solar radiation levels change throughout the month and range from 30.6 W/m2 to 294 W/m2.
What is the solar energy during September in Sri Lanka?
The average solar energy during September in Sri Lanka is 16.9 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.6 MJ/m2, to 25.4 MJ/m2 during September.
Are there severe weather risks in Sri Lanka in September?
Yes, there is a 21.3% risk for severe weather in Sri Lanka in September.
What is the air pressure in Sri Lanka in September?
On average the air pressure in Sri Lanka in September is 1010.2 mb (millibars). Throughout the month the sea level pressure ranges from 1008.2 mb to 1011.7 mb.
What is the visibility in Sri Lanka in September?
The average daylight visibility in Sri Lanka in September is 12.4 km (7.7 miles). Depending on the precipitation the visibility ranges from 9.8 km (6.1 miles) to 14.3 km (8.9 miles) throughout September.
What is the dew point in Sri Lanka in September?
The average dew point in Sri Lanka during September is 24.5°C (76.1°F).
Where is the data for Sri Lanka climate in September coming from?
The climate data for Sri Lanka in September is collected from the following weather stations.
- BANDARANAIKE INTERNATIONAL COLOMBO, CE
- COLOMBO, CE
- COLOMBO RATMALANA, CE
- RATNAPURA, CE