September weather in Colombo, Sri Lanka
Averages from 150 days in September across 2020–2024.
Typical conditions
| Average high | 28.4°C |
|---|---|
| Average low | 24.7°C |
| Average mean | 26.4°C |
| Total precipitation | 1705.3 mm |
| Rainy days | 150 |
| Average precipitation hours | 17.7 h |
| Average max wind speed | 19.3 km/h |
| Average sunshine | 8.6 h/day |
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