Average data for 10 years
1 September
Monday
+22°
+12°
2 September
Tuesday
+22°
+12°
3 September
Wednesday
+21°
+12°
4 September
Thursday
+21°
+12°
5 September
Friday
+20°
+11°
6 September
Saturday
+19°
+11°
7 September
Sunday
+22°
+12°
8 September
Monday
+23°
+13°
9 September
Tuesday
+22°
+14°
10 September
Wednesday
+22°
+13°
11 September
Thursday
+23°
+13°
12 September
Friday
+22°
+13°
13 September
Saturday
+22°
+13°
14 September
Sunday
+21°
+13°
15 September
Monday
+20°
+12°
16 September
Tuesday
+20°
+12°
17 September
Wednesday
+20°
+12°
18 September
Thursday
+21°
+13°
19 September
Friday
+22°
+13°
20 September
Saturday
+21°
+13°
21 September
Sunday
+21°
+13°
22 September
Monday
+21°
+12°
23 September
Tuesday
+22°
+13°
24 September
Wednesday
+21°
+12°
25 September
Thursday
+19°
+12°
26 September
Friday
+20°
+12°
27 September
Saturday
+21°
+13°
28 September
Sunday
+21°
+13°
29 September
Monday
+20°
+13°
30 September
Tuesday
+20°
+13°
September in Colombo is the windiest month of the year. In September, the weather in Colombo is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Colombo has 11 rainy, 9 partly cloudy, 6 sunny, and 4 cloudy days in September. The rains are usually heavy.