Weather in Colombo District for September 2025
In general, the average temperature in Colombo District at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.4 °C by the end of September.
Colombo District experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Colombo District? check out the best time to travel to Colombo District page.
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Colombo District in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 27° | 2 27° | 3 27° | 4 28° | 5 28° | 6 28° | 7 28° |
8 28° | 9 28° | 10 27° | 11 27° | 12 28° | 13 29° | 14 28° |
15 28° | 16 29° | 17 29° | 18 29° | 19 29° | 20 27° | 21 28° |
22 28° | 23 28° | 24 29° | 25 28° | 26 29° | 27 28° | 28 28° |
29 29° | 30 28° |
You can click on date
Temperatures trend during September in Colombo District
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Moderate or heavy rain shower | 27° /24° | 33.9 mm | 6 | |
2 Sept. | Torrential rain shower | 27° /24° | 41.4 mm | 6 | |
3 Sept. | Torrential rain shower | 27° /24° | 48.3 mm | 6 | |
4 Sept. | Moderate or heavy rain shower | 28° /24° | 27.1 mm | 6 | |
5 Sept. | Torrential rain shower | 28° /25° | 38.6 mm | 6 | |
6 Sept. | Moderate or heavy rain shower | 28° /25° | 34.3 mm | 6 | |
7 Sept. | Moderate or heavy rain shower | 28° /24° | 34.2 mm | 6 | |
8 Sept. | Moderate or heavy rain shower | 28° /24° | 28.3 mm | 6 | |
9 Sept. | Moderate or heavy rain shower | 28° /24° | 35.3 mm | 6 | |
10 Sept. | Moderate or heavy rain shower | 27° /24° | 28 mm | 6 | |
11 Sept. | Torrential rain shower | 27° /24° | 31.4 mm | 6 | |
12 Sept. | Cloudy | 28° /24° | 3.6 mm | 6 | |
13 Sept. | Overcast | 29° /25° | 5.2 mm | 7 | |
14 Sept. | Partly cloudy | 28° /24° | 9.9 mm | 7 | |
15 Sept. | Cloudy | 28° /25° | 8.3 mm | 6 | |
16 Sept. | Patchy rain possible | 29° /25° | 10.3 mm | 6 | |
17 Sept. | Light rain shower | 29° /25° | 12.1 mm | 6 | |
18 Sept. | Light rain shower | 29° /24° | 10.9 mm | 6 | |
19 Sept. | Light rain shower | 29° /24° | 10.4 mm | 6 | |
20 Sept. | Moderate or heavy rain shower | 27° /24° | 21.7 mm | 6 | |
21 Sept. | Light rain shower | 28° /24° | 9.6 mm | 6 | |
22 Sept. | Light rain shower | 28° /24° | 8.9 mm | 6 | |
23 Sept. | Light rain shower | 28° /25° | 8.9 mm | 6 | |
24 Sept. | Patchy rain possible | 29° /25° | 16.7 mm | 6 | |
25 Sept. | Light rain shower | 28° /25° | 16.7 mm | 6 | |
26 Sept. | Light rain shower | 29° /24° | 14.1 mm | 6 | |
27 Sept. | Light rain shower | 28° /25° | 21.7 mm | 6 | |
28 Sept. | Light rain shower | 28° /24° | 15.3 mm | 6 | |
29 Sept. | Light rain shower | 29° /24° | 14.4 mm | 7 | |
30 Sept. | Light rain shower | 28° /24° | 12.3 mm | 6 | |
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Colombo District in September - FAQ
What to pack to Colombo District in September?
As you prepare for your trip to Colombo District 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 Colombo District, 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 Colombo District
UV exposure in Colombo District during September
Quick links
Get accurate weather forecasts for Colombo District, located at latitude 6.935 and longitude 79.849. Stay updated with localized weather information tailored for Colombo District.