The climate of Colombo in September is humid. An average of 473 mm precipitation is recorded over 28 days. The situation is drier than the previous month: in August, the average recorded is 605 mm over 30 days.
Temperatures are warm in Colombo in September. The average maximum temperature reaches 29°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 Colombo in September: 33°C as a maximum in 2019 and 24°C as a minimum in 2009. We can expect about 15 days with temperatures above 30°, or 50% of the month.
In September, the days last on average 12:09 in Colombo. The sun rises around 06:01 and sets around 18:10.
With unfavorable weather, the month of September is not the most recommended month to travel to Colombo in Sri Lanka.
Some activities remain possible even if conditions are not optimal: Beach and swimming, Cultural visits and heritage, Animal observation, Family and attractions, Diving and snorkeling, Watersports, Nature and landscapes, Nightlife, Gastronomy, Well-being and Boat trip and cruise.
