Trincomalee
September
Weather in Trincomalee for September 2025
Your guide to Trincomalee weather in September - trends and predictions
In general, the average temperature in Trincomalee at the beginning of September is 32.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 33.9 °C by the end of September.
With an average of 4 rainy days, Trincomalee experiences minimal rainfall in September.
Temperatures
Rain 🌧️
26
Dry days
4
Rainy days
0
Snow days
34°/24°
Temperatures
26 km/h
Avg max wind
67 %
Avg humidity
Trincomalee in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  33° | 3  29° | 4 31° | 5 34° | 6 32° | 7 34° |
| 8 32° | 9 33° | 10 34° | 11 32° | 12 34° | 13 34° | 14 35° |
| 15 35° | 16 34° | 17 35° | 18 35° | 19 35° | 20 34° | 21 34° |
| 22 34° | 23 33° | 24 33° | 25 32° | 26 35° | 27 35° | 28 34° |
| 29  35° | 30 33° |
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Temperatures trend during September in Trincomalee
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 32° /24° | 0 mm | 8 | |
| 2 Sept. | Cloudy | 33° /24° | 0 mm | 7 | |
| 3 Sept. | Patchy rain possible | 29° /25° | 0 mm | 6 | |
| 4 Sept. | Cloudy | 31° /24° | 0 mm | 7 | |
| 5 Sept. | Cloudy | 34° /25° | 0 mm | 7 | |
| 6 Sept. | Patchy rain possible | 32° /24° | 0 mm | 7 | |
| 7 Sept. | Partly cloudy | 34° /24° | 0 mm | 8 | |
| 8 Sept. | Patchy rain possible | 32° /24° | 0.1 mm | 7 | |
| 9 Sept. | Patchy rain possible | 33° /24° | 0 mm | 7 | |
| 10 Sept. | Cloudy | 34° /24° | 0 mm | 7 | |
| 11 Sept. | Patchy rain possible | 32° /24° | 0.1 mm | 7 | |
| 12 Sept. | Partly cloudy | 34° /25° | 0 mm | 8 | |
| 13 Sept. | Partly cloudy | 34° /25° | 0 mm | 8 | |
| 14 Sept. | Partly cloudy | 35° /25° | 0 mm | 9 | |
| 15 Sept. | Partly cloudy | 35° /25° | 0 mm | 9 | |
| 16 Sept. | Partly cloudy | 34° /25° | 0 mm | 8 | |
| 17 Sept. | Patchy rain possible | 35° /25° | 0.2 mm | 8 | |
| 18 Sept. | Partly cloudy | 35° /25° | 0 mm | 9 | |
| 19 Sept. | Partly cloudy | 35° /24° | 0 mm | 9 | |
| 20 Sept. | Partly cloudy | 34° /24° | 0 mm | 8 | |
| 21 Sept. | Partly cloudy | 34° /24° | 0 mm | 8 | |
| 22 Sept. | Partly cloudy | 34° /24° | 0 mm | 8 | |
| 23 Sept. | Patchy rain possible | 33° /24° | 0 mm | 7 | |
| 24 Sept. | Cloudy | 33° /24° | 0 mm | 7 | |
| 25 Sept. | Patchy rain possible | 32° /24° | 0.1 mm | 7 | |
| 26 Sept. | Partly cloudy | 35° /24° | 0 mm | 9 | |
| 27 Sept. | Light rain shower | 35° /23° | 4.2 mm | 8 | |
| 28 Sept. | Patchy rain possible | 34° /23° | 0.6 mm | 7 | |
| 29 Sept. | Mist | 35° /23° | 0.4 mm | 8 | |
| 30 Sept. | Light rain shower | 33° /23° | 13.6 mm | 7 | |
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Important Notice
Our weather forecast for Trincomalee in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trincomalee forecast closer to your planned date for the most up-to-date weather information.
Trincomalee in September - FAQ
What are the expected maximum and minimum temperatures in Trincomalee during September?
During September, expect a variety of temperatures with highs around 34° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trincomalee during September?
Expect minimal rainfall in Trincomalee during September, with a total of 19.3 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Trincomalee during September?
The average wind speed in Trincomalee during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Trincomalee
Explore the daily rainfall trends and prepare for Trincomalees September weather 💧
UV exposure in Trincomalee during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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