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Sri Lanka

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:TrincomaleeColombo
day temperatureaverage daily high+33.1°C+30.2°C
night temperatureaverage daily low+25°C+24.8°C
sea temperaturesea temperature+28°C+27°C
Daylight hoursdaylight hours12.5h12.5h
sunny hours per daysunny/overcast hours7.8/4.7h6.3/6.2h
average monthly precipitationaverage monthly precipitation87 mm236 mm

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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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Best places in Sri Lanka:



Nuwara Eliya









Mount Lavinia

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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.

Sri Lanka climate by month


The normal amount of precipitation for September is from 87 to 236 mm, a very high amount.