
Sri Lanka Weather September
To help you choose the best time to travel, you can find climate data below on the weather in Sri Lanka in September.
Sri Lanka Weather September: | Trincomalee | Colombo | |
![]() | average daily high | +33.1°C | +30.2°C |
![]() | average daily low | +25°C | +24.8°C |
![]() | sea temperature | +28°C | +27°C |
![]() | daylight hours | 12.5h | 12.5h |
![]() | sunny/overcast hours | 7.8/4.7h | 6.3/6.2h |
![]() | average monthly precipitation | 87 mm | 236 mm |
Temperature in Sri Lanka
The average daily maximum in September is +33.1 — +30.2°C, and the minimum +25 — +24.8°C.
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Sea temperature
The average monthly temperature in the Indian Ocean on the beaches of Trincomalee in September is +28 degrees and on the beaches of Colombo +27 degrees.
The water is not only warm enough to bathe in, but it is also possible to stay in the water for an extended amount of time.
Precipitation
The normal amount of precipitation for September is from 87 to 236 mm, a very high amount.