Bosnia and Herzegovina in September
September is Bosnia and Herzegovina's best month (rank 1 of 12): its 3 destinations average 89/100, led by Sarajevo at 92 — 25°C and 8 rainy days — while Mostar is warmer at 29°C and scores 85.
#1 of 12 months for Bosnia and Herzegovina · 3 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Bosnia and Herzegovina in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Sarajevo | City | 25°C | 68 mm · 8 days | 92 tier S | Yes |
| 2 | Banja Luka | City | 26°C | 77 mm · 11 days | 90 tier S | Yes |
| 3 | Mostar | City | 29°C | 122 mm · 10 days | 85 tier A | Yes |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.