The climate of Chilaw in September is humid. An average of 358 mm precipitation is recorded over 27 days. The situation is drier than the previous month: in August, the average recorded is 448 mm over 29 days.
Temperatures are warm in Chilaw in September. The average maximum temperature reaches 30°C, while the minimum falls to about 27°C. The month's average temperature is 28°C. These normals should be compared with the records recorded in Chilaw in September: 33°C as a maximum in 2019 and 24°C as a minimum in 2009. We can expect about 16 days with temperatures above 30°, or 53% of the month.
In September, the days last on average 12:10 in Chilaw. The sun rises around 06:01 and sets around 18:11.
With only fair weather, the month of September is not the best month of the year, but a stay to Chilaw in Sri Lanka remains possible depending on your priorities.
Some activities remain possible even if conditions are not optimal: Beach and swimming and Nature and landscapes.
