Measurements:
°C
°F
CURRENT WEATHER
23:03
Mostar
70°F
SW 3 mph
Feels like: 70°F
Precip: 6%
World Resorts Bosnia Herzegovina Mostar Weather

7 Day Weather Forecast

09.08
tue
DAY
94°F
NE 6 mph
precip
0%
NIGHT
70°F
SW 3 mph
precip
6%
09.09
wed
DAY
90°F
NE 7 mph
precip
2%
NIGHT
70°F
SW 5 mph
precip
4%
09.10
thu
DAY
96°F
NE 6 mph
precip
0%
NIGHT
70°F
SW 6 mph
precip
5%
09.11
fri
DAY
96°F
NE 8 mph
precip
1%
NIGHT
72°F
SW 4 mph
precip
4%
09.12
sat
DAY
66°F
W 7 mph
precip
88%
NIGHT
60°F
SW 7 mph
precip
11%
09.13
sun
DAY
76°F
S 11 mph
precip
1%
NIGHT
58°F
SW 6 mph
precip
8%
09.14
mon
DAY
80°F
S 9 mph
precip
7%
NIGHT
64°F
SW 7 mph
precip
12%

Mostar Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mostar was 23.4°F. The maximum and minimum values were 22.4°F and 23.9°F respectively.

Mostar on the Weather Map

Best Time to Visit Mostar
The most sunny months:
July 26 days
August 25 days
June 22 days
The most warm months:
August 92.4 °F
July 91.5 °F
June 84.6 °F
Warmest sea temperature:
August 81.2 °F
July 79.9 °F
September 77.2 °F
The most cold months:
January 42.0 °F
December 45.5 °F
February 46.7 °F
The most rainy months:
November 7 days
March 6 days
December 6 days
The most windy months:
March 6 mph
February 6 mph
January 6 mph
more details