Bulgaria in September

September is Bulgaria's best month (rank 1 of 12): its 7 destinations average 72/100, led by Sofia at 95 — 24°C and 5 rainy days — while Borovets is cooler at 18°C and scores 18.

#1 of 12 months for Bulgaria · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis

🇧🇬 Bulgaria, month by month

72/100 in September
  1. 58Jan
  2. 63Feb
  3. 68Mar
  4. 67Apr
  5. 64May
  6. 65Jun
  7. 68Jul
  8. 70Aug
  9. 72Sep
  10. 64Oct
  11. 59Nov
  12. 59Dec

Where in Bulgaria in September

#PlaceTypeFeels-like highRainComfortAt its best
1SofiaCity24°C27 mm · 5 days95 tier SYes
2PlovdivCity27°C19 mm · 4 days94 tier SYes
3VarnaBeach26°C25 mm · 4 days93 tier SYes
4BurgasBeach25°C26 mm · 5 days91 tier SYes
5Sunny BeachBeach25°C25 mm · 5 days91 tier SYes
6BanskoSki resort22°C61 mm · 9 days20 tier F—
7BorovetsSki resort18°C52 mm · 9 days18 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.

What's on in Bulgaria in September

  • Sofia Day · Sofia · 16–18 Sep
  • Unification Day and City Day · Plovdiv · 5–7 Sep
  • Night of Museums and Galleries · Plovdiv · 10–30 Sep (usually)
  • Via Pontica autumn migration · Varna and 1 more place · 20 Aug – 31 Oct (usually)
  • Sand sculpture festival · Burgas · 1 Jul – 30 Sep (usually)

Other good months for Bulgaria

August · 70/100March · 68/100July · 68/100Weakest: January · 58/100
← Bulgaria in AugustBulgaria in October →Best time to visit Bulgaria, month by monthCompare: Sofia vs Plovdiv in September