Bosnia and Herzegovina weather in September 2025
Bosnia and Herzegovina weather in September 2025
Day
26 °C
Night
16 °C
Sea
23 °C
Precipitation
96 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
66 %
Day
26 °C
Night
16 °C
Sea
23 °C
Precipitation
96 mm
in month
Rainy days
7 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
66 %
Overview: Bosnia and Herzegovina
Travel information
Weather charts for Bosnia and Herzegovina
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Activities in Bosnia and Herzegovina
Destinations in Bosnia and Herzegovina
Destinations with similar weather to Bosnia and Herzegovina
Cities in Bosnia and Herzegovina
Weather overview and FAQs
Weather overview
In Bosnia and Herzegovina in September, the average air temperature ranges from 26 °C (79 °F) during the day to 16 °C (62 °F) at night. There are 7 days of rain on average, where the rainfall is 96 mm (3.80 in).
Is September a good month to visit Bosnia and Herzegovina?
In September in Bosnia and Herzegovina, there are ideal conditions for a vacation. The temperature during the day will be nice 26 °C (79 °F). The temperature of the sea will be perfect at 23 °C (73 °F). There are only 7 days of rain in the whole month, so you can leave your umbrella at home. The temperature of 16 °C (62 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in Bosnia and Herzegovina in September?
The temperature of the sea in Bosnia and Herzegovina in September is 23 °C (73 °F). This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.
What is the temperature in Bosnia and Herzegovina during the day in September?
In Bosnia and Herzegovina in September, the average daily temperatures will be 26 °C (79 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
How many days of precipitation on average can I expect in September in Bosnia and Herzegovina?
In September in Bosnia and Herzegovina, we can expect 7 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.6 days of the week, or in general - 24 % days.
What is the air temperature in September in Bosnia and Herzegovina at night?
The average night temperature in Bosnia and Herzegovina in September is 16 °C (62 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
How long is the day (from dawn till dusk) in Bosnia and Herzegovina in September?
The length of daylight in Bosnia and Herzegovina in September is 12 hours.
How many hours of sun to expect in Bosnia and Herzegovina in September?
There is an average length of sunshine of 8 hours per day in September in Bosnia and Herzegovina.
Is September part of the wet season in Bosnia and Herzegovina?
No, there is no wet season in September in Bosnia and Herzegovina - you can expect 7 days of rain during the month.
Is September part of the dry season in Bosnia and Herzegovina?
Yes, there is a dry season in Bosnia and Herzegovina in September with just 7 days during the month being rainy.
Is the sea in Bosnia and Herzegovina warmer in September than in August?
No, the sea is not warmer in September in Bosnia and Herzegovina than in August.
How windy is Bosnia and Herzegovina in September?
An average wind scale that can be expected in Bosnia and Herzegovina in September is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
What level of humidity is to expect in Bosnia and Herzegovina in September?
In Bosnia and Herzegovina in September, expect humidity around 66 %.
Is the weather in Bosnia and Herzegovina warmer in September than in August?
No, in Bosnia and Herzegovina in September the temperature is not higher than in August.
Is Bosnia and Herzegovina rainier in September than in October?
No, in Bosnia and Herzegovina in September it does not rain more than in October.