Sri Lanka weather in September 2021

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Below are average maximum temperatures at popular destinations in Sri Lanka in September. Select a destination to see more weather parameters.

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The September weather guide for Sri Lanka shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

How hot is it in Sri Lanka in September?

Daytime temperatures usually reach 30°C in Colombo, Sri Lanka in September with high heat and humidity, falling to 25°C at night.

How sunny is it in Sri Lanka in September?

There are normally 6 hours of bright sunshine each day in Colombo, Sri Lanka in September - that's 50% of daylight hours.

How warm is the sea around Sri Lanka in September?

The average sea temperature around Colombo, Sri Lanka in September is 28°C.

Does it rain in Sri Lanka in September?

There are usually 14 days with some rain in Colombo, Sri Lanka in September and the average monthly rainfall is 236mm.

Metric (°C / mm) | Imperial (°F / inches)

Sri Lanka sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Sri Lanka in September 2021. Select a month to view Sri Lanka sunrise & sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.

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