Southern (Bentota)
September
Weather in Southern for September 2025
Your guide to Southern weather in September - trends and predictions
In general, the average temperature in Southern at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.7 °C by the end of September.
Southern experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 444.4 mm.
Is September a good time to visit Southern? check out the best time to travel to Southern page.
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Temperatures
Rain 🌧️
More
0
Dry days
30
Rainy days
0
Snow days
28°/26°
Temperatures
21 km/h
Avg max wind
82 %
Avg humidity
Southern in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3  27° | 4 29° | 5  29° | 6 29° | 7 29° |
| 8 28° | 9 28° | 10 28° | 11 28° | 12 29° | 13 29° | 14 28° |
| 15 28° | 16 28° | 17 29° | 18 29° | 19 29° | 20 28° | 21 28° |
| 22 28° | 23 28° | 24 28° | 25 28° | 26 29° | 27  29° | 28 29° |
| 29 30° | 30 28° |
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Temperatures trend during September in Southern
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. | Light rain shower | 28° /25° | 22.9 mm | 6 | |
| 2 Sept. | Light rain shower | 28° /26° | 20 mm | 6 | |
| 3 Sept. | Moderate or heavy rain shower | 27° /25° | 23.7 mm | 6 | |
| 4 Sept. | Light rain shower | 29° /25° | 3.8 mm | 6 | |
| 5 Sept. | Patchy light rain with thunder | 29° /26° | 6.2 mm | 6 | |
| 6 Sept. | Light rain shower | 29° /26° | 16.7 mm | 6 | |
| 7 Sept. | Light rain shower | 29° /25° | 16.2 mm | 6 | |
| 8 Sept. | Light rain shower | 28° /26° | 20.8 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /26° | 21 mm | 6 | |
| 10 Sept. | Patchy light rain with thunder | 28° /26° | 23.8 mm | 6 | |
| 11 Sept. | Light rain shower | 28° /25° | 13.4 mm | 6 | |
| 12 Sept. | Patchy rain possible | 29° /26° | 7.9 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 29° /26° | 11.8 mm | 6 | |
| 14 Sept. | Patchy rain possible | 28° /26° | 17.1 mm | 6 | |
| 15 Sept. | Light rain shower | 28° /26° | 17.5 mm | 6 | |
| 16 Sept. | Light rain shower | 28° /26° | 17.5 mm | 6 | |
| 17 Sept. | Light rain shower | 29° /26° | 11.8 mm | 6 | |
| 18 Sept. | Light rain shower | 29° /26° | 15.1 mm | 6 | |
| 19 Sept. | Light rain shower | 29° /26° | 11.1 mm | 6 | |
| 20 Sept. | Light rain shower | 28° /25° | 14 mm | 6 | |
| 21 Sept. | Light rain shower | 28° /25° | 13.9 mm | 6 | |
| 22 Sept. | Light rain shower | 28° /26° | 7.8 mm | 6 | |
| 23 Sept. | Patchy light rain with thunder | 28° /26° | 9 mm | 6 | |
| 24 Sept. | Light rain shower | 28° /26° | 20.3 mm | 6 | |
| 25 Sept. | Light rain shower | 28° /26° | 16.9 mm | 6 | |
| 26 Sept. | Patchy rain possible | 29° /25° | 11.3 mm | 6 | |
| 27 Sept. | Thundery outbreaks possible | 29° /25° | 12.9 mm | 6 | |
| 28 Sept. | Light rain shower | 29° /26° | 6.9 mm | 6 | |
| 29 Sept. | Moderate or heavy rain shower | 30° /25° | 14.5 mm | 7 | |
| 30 Sept. | Light rain shower | 28° /25° | 18.4 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Southern 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 Southern forecast closer to your planned date for the most up-to-date weather information.
Southern in September - FAQ
What are the expected maximum and minimum temperatures in Southern 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 Southern during September?
Significant rainfall exceeding 444.4 mm is expected in Southern during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southern during September?
The average wind speed in Southern during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Southern in September?
As you prepare for your trip to Southern in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Southern, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Southern
Explore the daily rainfall trends and prepare for Southerns September weather 💧
UV exposure in Southern during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Southern?Get accurate weather forecasts for Southern, located at latitude 6.426 and longitude 79.996. Stay updated with localized weather information tailored for Southern.
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