Weather in Colombo, Western Province, Sri Lanka in September
In an average September, Colombo sees a daily high around 28°C and a low around 25°C, based on 1981–2026 of local climate records.
| Average high | 28°C |
|---|---|
| Typical high range | 27°C to 29°C |
| Average low | 25°C |
| Typical low range | 24°C to 25°C |
| Average daily precipitation | 5 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
31°C
1995-09-23
Lowest
26°C
2020-09-25
Low
Highest
26°C
2024-09-05
Lowest
22°C
1984-09-14
Feels-like
Highest
41°C
2024-09-29
Lowest
26°C
2020-09-25
Humidity
Highest
23.2 g/m³
2021-09-15
Lowest
18.9 g/m³
1984-09-22
Wind
Highest
41 km/h
1996-09-28
Lowest
8 km/h
1987-09-29
Precip
Wettest
408 mm
2023
Driest
30 mm
2016
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