Average data for 10 years
1 September
Monday
+27°
+25°
2 September
Tuesday
+27°
+25°
3 September
Wednesday
+27°
+25°
4 September
Thursday
+27°
+25°
5 September
Friday
+27°
+25°
6 September
Saturday
+27°
+25°
7 September
Sunday
+27°
+25°
8 September
Monday
+27°
+25°
9 September
Tuesday
+27°
+25°
10 September
Wednesday
+27°
+25°
11 September
Thursday
+27°
+25°
12 September
Friday
+27°
+25°
13 September
Saturday
+27°
+25°
14 September
Sunday
+27°
+25°
15 September
Monday
+27°
+25°
16 September
Tuesday
+27°
+26°
17 September
Wednesday
+27°
+25°
18 September
Thursday
+27°
+25°
19 September
Friday
+27°
+25°
20 September
Saturday
+27°
+25°
21 September
Sunday
+27°
+25°
22 September
Monday
+27°
+25°
23 September
Tuesday
+27°
+25°
24 September
Wednesday
+27°
+25°
25 September
Thursday
+27°
+25°
26 September
Friday
+27°
+25°
27 September
Saturday
+27°
+26°
28 September
Sunday
+27°
+25°
29 September
Monday
+27°
+25°
30 September
Tuesday
+27°
+25°
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 28 rainy, 1 cloudy, and 1 partly cloudy day 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.