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Colombo weather in September 2021
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- 3030°C max day temperature
- 1414 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 236236 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2828°C sea temperature
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The September weather guide for Colombo, 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 Colombo in September?
Daytime temperatures usually reach 30°C in Colombo in September with high heat and humidity, falling to 25°C at night.
How sunny is it in Colombo in September?
There are normally 6 hours of bright sunshine each day in Colombo in September - that's 50% of daylight hours.
How warm is the sea around Colombo in September?
The average sea temperature around Colombo in September is 28°C.
Does it rain in Colombo in September?
There are usually 14 days with some rain in Colombo in September and the average monthly rainfall is 236mm.
Colombo sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Colombo in September 2021. Select a month to view Colombo sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||06:03||18:18|
|Wednesday, 15th September 2021||06:01||18:10|
|Thursday, 30th September 2021||05:59||18:02|
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Metric (°C / mm) | Imperial (°F / inches)
Discover more about Sri Lanka
Where is hot in Sri Lanka in September for 2021/2022?
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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