Climate averages 1991–2020
Weather in Bosnia and Herzegovina in September
In September, average daytime highs across the 7 cities listed in Bosnia and Herzegovina range from 21.1°C in Sarajevo to 24.2°C in Mostar. Monthly rainfall ranges from 86 mm in Tuzla to 135 mm in Mostar.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Bosnia and Herzegovina
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Sarajevo | 21.1°C11.7°C | 11.7°C | 91 | 11.5 |
| Banja Luka | 22.2°C12.0°C | 12.0°C | 95 | 10.9 |
| Zenica | 21.9°C12.5°C | 12.5°C | 94 | 11.7 |
| Tuzla | 22.1°C12.3°C | 12.3°C | 86 | 10.8 |
| Mostar | 24.2°C13.8°C | 13.8°C | 135 | 9.1 |
| Bihać | 21.6°C12.4°C | 12.4°C | 124 | 11.6 |
| Ilidža | 21.1°C12.0°C | 12.0°C | 91 | 11.5 |
A rain day is a local calendar day with at least 1 mm of precipitation.