Average sea water temperature in September:
+74.5°F
| Minimum sea water temperature in September: | 80.2°F |
| Maximum sea water temperature in September: | 69.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.0°F and 72.3°F.
Monthly sea water temperature in Mostar, °F
Which Bosnia Herzegovina resorts have warmest sea in September?
Best time for vacation in Mostar
Mostar on a weather map
24 Hours Forecast
Mostar
Local time: 19:43
September 01, tuesday
2100

75°F
SW
3 mph
3 mph
September 02, wednesday
0000

73°F
SW
6 mph
6 mph
0300

70°F
SW
6 mph
6 mph
0600

68°F
SW
6 mph
6 mph
0900

81°F
S
4 mph
4 mph
1200

93°F
NE
6 mph
6 mph
1500

93°F
NE
17 mph
17 mph
1800

90°F
NE
11 mph
11 mph

























