Kalutara District (Kalutara)
September
Weather in Kalutara District for September 2025
Your guide to Kalutara District weather in September - trends and predictions
Until now, September 2025 in Kalutara District is slightly cooler than the historical average by -0.7 °C.
The forecast for the next days in Kalutara District predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Kalutara District at the beginning of September is 28.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.1 °C by the end of September.
Kalutara District experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 444.4 mm.
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
28°/26°
Temperatures
21 km/h
Avg max wind
82 %
Avg humidity
Kalutara District Weather September
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Temperatures trend during September in Kalutara District
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September weather in Kalutara District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 28° /25° | 16 mm | 6 | |
| 2 Sept. | Light rain shower | 28° /25° | 10.7 mm | 6 | |
| 3 Sept. |  Moderate or heavy rain shower | 28° /25° | 16.6 mm | 6 | |
| 4 Sept. | Light rain shower | 29° /25° | 7.6 mm | 6 | |
| 5 Sept. |  Patchy light rain with thunder | 29° /25° | 9.3 mm | 6 | |
| 6 Sept. | Light rain shower | 29° /25° | 12.4 mm | 6 | |
| 7 Sept. | Light rain shower | 29° /25° | 14.4 mm | 6 | |
| 8 Sept. | Light rain shower | 28° /25° | 11.8 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /25° | 12.2 mm | 6 | |
| 10 Sept. | Patchy light rain with thunder | 28° /25° | 19.1 mm | 6 | |
| 11 Sept. | Light rain shower | 28° /25° | 11.1 mm | 6 | |
| 12 Sept. | Patchy rain possible | 29° /25° | 7.4 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 29° /25° | 12.7 mm | 6 | |
| 14 Sept. | Patchy rain possible | 28° /25° | 16.9 mm | 6 | |
| 15 Sept. | Light rain shower | 28° /25° | 28.6 mm | 6 | |
| 16 Sept. | Light rain shower | 28° /26° | 17.5 mm | 6 | |
| 17 Sept. |  Heavy rain | 28° /26° | 42.4 mm | 2 | |
| 18 Sept. | Heavy rain | 28° /26° | 29.1 mm | 2.9 | |
| 19 Sept. | Heavy rain | 28° /26° | 27.6 mm | 3 | |
| 20 Sept. |  Moderate rain | 28° /26° | 12.7 mm | 2.5 | |
| 21 Sept. | Moderate rain | 28° /26° | 13.6 mm | 3.8 | |
| 22 Sept. | Patchy rain possible | 29° /26° | 3.4 mm | 6 | |
| 23 Sept. | Moderate rain | 28° /26° | 7.3 mm | 6 | |
| 24 Sept. | Patchy rain possible | 28° /26° | 3.9 mm | 6 | |
| 25 Sept. | Patchy rain possible | 29° /27° | 1.5 mm | 6 | |
| 26 Sept. | Moderate rain | 28° /27° | 5.7 mm | 6 | |
| 27 Sept. | Patchy rain possible | 28° /26° | 2 mm | 6 | |
| 28 Sept. | Patchy rain possible | 28° /26° | 2.9 mm | 6 | |
| 29 Sept. | Patchy rain possible | 29° /26° | 3.4 mm | 6 | |
| 30 Sept. | Moderate rain | 27° /26° | 5.2 mm | 6 | |
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Important Notice
Our weather forecast for Kalutara District 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 Kalutara District forecast closer to your planned date for the most up-to-date weather information.
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Kalutara District in September - FAQ
What are the expected maximum and minimum temperatures in Kalutara District during September?
During September, expect a variety of temperatures with highs around 28° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kalutara District during September?
Significant rainfall exceeding 444.4 mm is expected in Kalutara District during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kalutara District during September?
The average wind speed in Kalutara District during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kalutara District
Explore the daily rainfall trends and prepare for Kalutara Districts September weather 💧
UV exposure in Kalutara District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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