Bulgaria in September
September is Bulgaria's best month (rank 1 of 12): its 7 destinations average 72/100, led by Plovdiv at 96 — 25°C and 4 rainy days — while Borovets is cooler at 19°C and scores 18.
#1 of 12 months for Bulgaria · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Bulgaria in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Plovdiv | City | 25°C | 14 mm · 4 days | 96 tier S | Yes |
| 2 | Sofia | City | 22°C | 30 mm · 5 days | 96 tier S | Yes |
| 3 | Varna | Beach | 24°C | 18 mm · 3 days | 93 tier S | Yes |
| 4 | Burgas | Beach | 25°C | 18 mm · 3 days | 91 tier S | Yes |
| 5 | Sunny Beach | Beach | 25°C | 18 mm · 3 days | 91 tier S | Yes |
| 6 | Bansko | Ski resort | 22°C | 66 mm · 10 days | 20 tier F | — |
| 7 | Borovets | Ski resort | 19°C | 49 mm · 10 days | 18 tier F | — |
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.