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Sri Lanka weather in September 2023
- 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
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 (Colombo) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Sri Lanka
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.
Sri Lanka September sunrise & sunset times
Browse the sunrise and sunset times for Sri Lanka in September 2023. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||06:03||18:18|
|Friday, 15th September 2023||06:01||18:11|
|Saturday, 30th September 2023||05:59||18:03|
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