Average data for 10 years
1 September
Sunday
+21°
+19°
2 September
Monday
+23°
+18°
3 September
Tuesday
+23°
+19°
4 September
Wednesday
+22°
+20°
5 September
Thursday
+21°
+18°
6 September
Friday
+21°
+17°
7 September
Saturday
+21°
+17°
8 September
Sunday
+22°
+18°
9 September
Monday
+21°
+18°
10 September
Tuesday
+21°
+18°
11 September
Wednesday
+21°
+18°
12 September
Thursday
+21°
+17°
13 September
Friday
+20°
+18°
14 September
Saturday
+19°
+17°
15 September
Sunday
+20°
+16°
16 September
Monday
+19°
+17°
17 September
Tuesday
+19°
+16°
18 September
Wednesday
+18°
+16°
19 September
Thursday
+18°
+15°
20 September
Friday
+19°
+15°
21 September
Saturday
+18°
+14°
22 September
Sunday
+19°
+14°
23 September
Monday
+19°
+15°
24 September
Tuesday
+18°
+15°
25 September
Wednesday
+18°
+14°
26 September
Thursday
+18°
+15°
27 September
Friday
+18°
+15°
28 September
Saturday
+18°
+15°
29 September
Sunday
+18°
+14°
30 September
Monday
+18°
+14°
Cities with similar weather in September
Montenegro
Podgorica
Canada
Toronto
Canada
Vancouver
Italy
Genoa
United States
Boston
In September, the weather in Opatija is typically warm. Average daily high temperature in September is about 20 degrees above zero. On average, Opatija has 15 sunny, 9 rainy, and 6 partly cloudy days in September. The rains are usually heavy.