September in Trincomalee averages 34C by day and 26C at night, with 89 mm of rain over about 13 wet days. It is the 6th wettest month of the year.
What to Expect
| Detail | Info |
|---|---|
| Temperature | 34C by day, 26C at night |
| Rainfall | 89 mm, about 13 wet days |
Averages for 2015 to 2024 from the Open-Meteo weather archive.
Events and Festivals
- Ganesh Chaturthi celebrations
- End of monsoon festivals
What to Do This Season
- Weather gradually improving
- Good value for money
- Beginning of turtle nesting season
What to Watch Out For
- Unpredictable weather patterns
- Some facilities may still have limited hours
- Beach conditions variable
What to Wear
Versatile clothing for changing conditions, light rain jacket
Is It Worth Visiting Now?
Maybe - transitional month with improving weather but still some rainfall
More on Trincomalee
Flexible on dates? Compare Trincomalee in August and Trincomalee in October. The best time to visit Trincomalee sets all twelve months side by side. For what is open and worth it, see the things to do in Trincomalee. The main Trincomalee page covers costs and transport.
We plan trips to Trincomalee and the rest of Sri Lanka. Tell us your dates and we will put a route together. Our routes are on the tours page.