- Save 50% on your 2nd room with Marriot
- Destinations include Europe, Middle East & Africa
- 2nd room occupied by children aged 16 and under
Trincomalee weather in September 2022
Get the latest coronavirus (Covid-19) updates for Sri Lanka with current travel advice and statistics on new cases per 100,000 and vaccine.
- 3434°C max day temperature
- 66 days with some rainfall
- 2525°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 9696 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
Recommended for Sri Lanka
The September weather guide for Trincomalee, 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 Trincomalee in September?
Daytime temperatures usually reach 34°C in Trincomalee in September with very high heat and humidity, falling to 25°C at night.
How sunny is it in Trincomalee in September?
There are normally 7 hours of bright sunshine each day in Trincomalee in September - that's 56% of daylight hours.
How warm is the sea around Trincomalee in September?
The average sea temperature around Trincomalee in September is 29°C.
Does it rain in Trincomalee in September?
There are usually 6 days with some rain in Trincomalee in September and the average monthly rainfall is 96mm.
Metric (°C / mm) | Imperial (°F / inches)
Trincomalee sunrise & sunset times for September 2022
Browse the sunrise and sunset times for Trincomalee in September 2022. Select a month to view Trincomalee sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st September 2022||05:57||18:13|
|Thursday, 15th September 2022||05:55||18:05|
|Friday, 30th September 2022||05:53||17:57|
- Save up to 35% on long stays at Anantara Hotels
- Plus extra 10% off for DISCOVERY members
- Book hotels in Europe, Asia, Africa & Middle East
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.