01.09
tue
tue
Day
91°F
S 6 mph
Precip.
0%
0%
Night
73°F
SW 6 mph
Precip.
2%
2%
02.09
wed
wed
Day
93°F
NE 6 mph
Precip.
9%
9%
Night
70°F
SW 4 mph
Precip.
11%
11%
03.09
thu
thu
Day
91°F
SW 11 mph
Precip.
0%
0%
Night
68°F
SW 7 mph
Precip.
2%
2%
04.09
fri
fri
Day
88°F
S 8 mph
Precip.
9%
9%
Night
70°F
SW 6 mph
Precip.
1%
1%
05.09
sat
sat
Day
93°F
NE 7 mph
Precip.
0%
0%
Night
70°F
SW 9 mph
Precip.
2%
2%
06.09
sun
sun
Day
88°F
S 10 mph
Precip.
1%
1%
Night
68°F
SW 8 mph
Precip.
1%
1%
07.09
mon
mon
Day
91°F
SE 4 mph
Precip.
0%
0%
Night
70°F
SW 5 mph
Precip.
1%
1%
08.09
tue
tue
Day
91°F
NE 7 mph
Precip.
0%
0%
Night
70°F
SW 4 mph
Precip.
1%
1%
09.09
wed
wed
Day
88°F
NE 7 mph
Precip.
0%
0%
Night
70°F
SW 3 mph
Precip.
2%
2%
10.09
thu
thu
Day
86°F
NE 9 mph
Precip.
2%
2%
Night
68°F
SW 9 mph
Precip.
7%
7%
11.09
fri
fri
Day
79°F
S 10 mph
Precip.
4%
4%
Night
59°F
SW 8 mph
Precip.
6%
6%
12.09
sat
sat
Day
81°F
W 4 mph
Precip.
5%
5%
Night
64°F
SW 6 mph
Precip.
4%
4%
13.09
sun
sun
Day
86°F
E 4 mph
Precip.
1%
1%
Night
64°F
SW 8 mph
Precip.
4%
4%
14.09
mon
mon
Day
82°F
NE 5 mph
Precip.
2%
2%
Night
70°F
SW 3 mph
Precip.
19%
19%
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.
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: 19:42
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
