The lit Sri Lanka Ceylon Parliament in Sri Jayawardenepura Kotte viewed across Lake Diyawanna
September
Weather in September
As September rolls in Sri Jayawardenepura Kotte, temperatures hold steady. Though holding onto August's temperature trends, rainfall surges up to a significant 165mm (6.5"). This increase in rainfall signifies the commencement of another wet phase for the city. The amount of daylight hours gradually decreases, conforming to the typical yearly pattern. With these factors in consideration, September ushers in a change in the weather pattern, shaping the transition into the rainy season.
On the first day of September in Sri Jayawardenepura Kotte, sunrise is at 06:02 and sunset at 18:17. On the last day of the month, sunrise is at 05:58 and sunset at 18:02 +0530.
Temperature
Sri Jayawardenepura Kotte records a slight change with September's average high-temperatures adjusting to a still hot 30.3°C (86.5°F) from August's 30°C (86°F). Nighttime temperatures hover around an average low of 24.8°C (76.6°F) in September.Rainfall
In Sri Jayawardenepura Kotte, in September, 165mm (6.5") of precipitation is typically accumulated. Throughout the year, in Sri Jayawardenepura Kotte, 2252mm (88.66") of rain is accumulated.Daylight
The average length of the day in September in Sri Jayawardenepura Kotte is 12h and 10min.On the first day of September in Sri Jayawardenepura Kotte, sunrise is at 06:02 and sunset at 18:17. On the last day of the month, sunrise is at 05:58 and sunset at 18:02 +0530.
Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Sri Jayawardenepura Kotte?
During September, Sri Jayawardenepura Kotte experiences an average high-temperature of 30.3°C (86.5°F) and a low-temperature of 24.8°C (76.6°F).
How much does it rain in Sri Jayawardenepura Kotte in September?
During September, Sri Jayawardenepura Kotte regularly aggregates up to 165mm (6.5") of precipitation.
How many hours of daylight does Sri Jayawardenepura Kotte have in September?
In Sri Jayawardenepura Kotte, Sri Lanka, the average day length in September is 12h and 10min.
When is the sunrise / sunset in September in Sri Jayawardenepura Kotte?
In September, on the first day of the month, sunrise is at 06:02 and sunset at 18:17. On the last day of the month, sunrise is at 05:58 and sunset at 18:02 +0530.
Average temperature in September
Sri Jayawardenepura Kotte, Sri Lanka
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is April (31.8°C).
The months with the lowest average high temperature are July, August and October (30°C).
- Average low temperature in September: 24.8°C
The months with the highest average low temperature are May and June (25.5°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average rainfall in September
Sri Jayawardenepura Kotte, Sri Lanka
- Average rainfall in September: 165mm
The wettest month (with the highest rainfall) is October (358mm).
The driest month (with the least rainfall) is February (63mm).
Average daylight in September
Sri Jayawardenepura Kotte, 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 42min).
