21.09
mon
mon
Day
84°F
SW 11 mph
Precip.
9%
9%
Night
59°F
SW 8 mph
Precip.
14%
14%
22.09
tue
tue
Day
70°F
SW 10 mph
Precip.
0%
0%
Night
50°F
S 5 mph
Precip.
4%
4%
23.09
wed
wed
Day
70°F
S 4 mph
Precip.
0%
0%
Night
52°F
SW 5 mph
Precip.
2%
2%
24.09
thu
thu
Day
70°F
NE 6 mph
Precip.
9%
9%
Night
57°F
S 5 mph
Precip.
71%
71%
25.09
fri
fri
Day
68°F
SW 11 mph
Precip.
1%
1%
Night
61°F
NW 2 mph
Precip.
25%
25%
26.09
sat
sat
Day
70°F
E 2 mph
Precip.
11%
11%
Night
59°F
W 2 mph
Precip.
18%
18%
27.09
sun
sun
Day
75°F
E 4 mph
Precip.
1%
1%
Night
63°F
SW 6 mph
Precip.
5%
5%
28.09
mon
mon
Day
81°F
E 4 mph
Precip.
1%
1%
Night
66°F
SW 4 mph
Precip.
6%
6%
29.09
tue
tue
Day
79°F
NE 5 mph
Precip.
9%
9%
Night
64°F
SW 2 mph
Precip.
27%
27%
30.09
wed
wed
Day
70°F
NE 4 mph
Precip.
13%
13%
Night
61°F
SW 3 mph
Precip.
6%
6%
01.10
thu
thu
Day
75°F
NE 4 mph
Precip.
7%
7%
Night
64°F
SW 2 mph
Precip.
17%
17%
02.10
fri
fri
Day
70°F
E 3 mph
Precip.
13%
13%
Night
66°F
S 4 mph
Precip.
7%
7%
03.10
sat
sat
Day
84°F
W 4 mph
Precip.
1%
1%
Night
68°F
SW 6 mph
Precip.
4%
4%
04.10
sun
sun
Day
84°F
W 2 mph
Precip.
1%
1%
Night
72°F
W 3 mph
Precip.
3%
3%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 77.9°F. The highest and lowest sea temperatures during the month were 81.1°F and 73.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 68.3°F. The highest and lowest sea temperatures during the month were 72.9°F and 65.3°F.
Air temperature in Mostar, °F
Precipitation total in Mostar, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mostar
Mostar on a weather map
24 Hours Forecast
Mostar
Local time: 22:04
September 22, tuesday
0000
59°F
SW
8 mph
8 mph
0300
57°F
SW
7 mph
7 mph
0600
52°F
SW
8 mph
8 mph
0900
63°F
SW
9 mph
9 mph
1200
70°F
SW
10 mph
10 mph
1500
72°F
SW
12 mph
12 mph
1800
64°F
SW
13 mph
13 mph
2100
52°F
SW
6 mph
6 mph
