Average data for 10 years
1 September
Sunday
+27°
+26°
2 September
Monday
+27°
+26°
3 September
Tuesday
+27°
+26°
4 September
Wednesday
+27°
+26°
5 September
Thursday
+27°
+26°
6 September
Friday
+27°
+26°
7 September
Saturday
+27°
+26°
8 September
Sunday
+27°
+26°
9 September
Monday
+27°
+26°
10 September
Tuesday
+27°
+26°
11 September
Wednesday
+27°
+26°
12 September
Thursday
+27°
+26°
13 September
Friday
+27°
+26°
14 September
Saturday
+27°
+26°
15 September
Sunday
+27°
+26°
16 September
Monday
+27°
+26°
17 September
Tuesday
+27°
+26°
18 September
Wednesday
+27°
+26°
19 September
Thursday
+28°
+26°
20 September
Friday
+27°
+26°
21 September
Saturday
+27°
+26°
22 September
Sunday
+27°
+26°
23 September
Monday
+27°
+26°
24 September
Tuesday
+27°
+26°
25 September
Wednesday
+27°
+26°
26 September
Thursday
+28°
+26°
27 September
Friday
+27°
+26°
28 September
Saturday
+27°
+26°
29 September
Sunday
+27°
+26°
30 September
Monday
+27°
+26°
In September, the weather in Unawatuna is typically warm. Average daily high temperature in September is about 27 degrees above zero. On average, Unawatuna has 27 rainy and 3 sunny days in September. The rains are usually heavy. September as well as March, April, May, and June is considered the most uncomfortable time to visit Unawatuna.