Climate almanac
Colombo
Western Province, Sri Lanka · 6.94°, 79.85°
What is the weather like in Colombo in September?
In September, Colombo is typically 84°F (29°C) during the day and 79°F (26°C) at night. The month brings about 9.3 in (237 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low79°F (26°C)
- Precipitation9.3 in (237 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)