Weather in Sarajevo in September 2025
Average weather
Average temperature in Sarajevo in September
The temperature in September is +27°C on average, with a range between a maximum of +33°C during the day and a minimum of +11°C at night.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +26°C to +25°C.
Is Sarajevo warm or cold in September?
Sarajevo is typically mild in September.
Maximum temperatures go down compared to the previous month from +27°C to +22°C. The minimum temperature also goes down from +15°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Sarajevo:
Climate in Sarajevo in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +22°C | +18°C | ||||
| Min. temperature | ||||||
| +6°C | 0°C | -8°C | ||||
| Max. temperature | ||||||
| +39°C | +36°C | +28°C | ||||
| Rainfall | ||||||
| 67 mm | 76 mm | 80 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 71% | 76% | 81% | ||||
| Air pressure | ||||||
| 1016 HPa | 1017 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 10 | 9 | 8 | ||||
| Cloudy days | ||||||
| 4 | 7 | 11 | ||||
| Rainy days | ||||||
| 12 | 12 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +22°C. Prepare for more rain. Average rainfall goes from 67 mm to 76 mm. Humidity rises from 71% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 10 sunny days in August to 9 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Sarajevo is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Sarajevo?
Climate Change over Years
The climate in Sarajevo in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+14°C) and the highest in 2023 (+18°C). The driest year was 2011 with only 541 mm of rainfall, and the wettest year was 2014 with 1258 mm.
FAQ
Is September a good time to visit Sarajevo?
Can you sunbathe in Sarajevo in September?
Is Sarajevo rainy in September?
Is it sunny in Sarajevo in September?
Other cities in Bosnia and Herzegovina
Monthly weather in Sarajevo
Source of the data
For this page, we’ve looked at the typical weather in Sarajevo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.