SeasonMapBorovets weather in September
Bulgaria
September in Borovets: nice, a little rain, with clean air — not the best time to visit.
#9 of 12 months in Borovets · #1366 of 1383 destinations to visit in September · comfort 18/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Borovets in September
Notes from nearby Sofia (53 km away)
Borovets doesn't have its own notes for September yet — these are about Sofia, close enough to share the season.
September in Sofia is still summer at the start — the forum describes early-month days near 30°C, occasionally reaching 35 — sliding toward 20°C and showers as October approaches, against a monthly average high of 23. Nights cool to about 13, so the standing advice is a lightweight jacket for early mornings and evenings plus an umbrella, because the month can be great and sunny or rainy with thunderstorms. September and October are the two months regulars name for exploring and hiking the mountains around the city, rain permitting.
Add your own note from Borovets's card on the map.
Borovets climate normals — September
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 52 mm / 2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12.5 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Borovets in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Borovets's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBorovets's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Borovets in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Musala and the Rila trails
15 Jun – 30 Sep · usuallyTrail seasonFrom mid-June, once the snow is off the top, this is the shortest way up the highest peak in the Balkans. The gondola skips the forest section, and it stops for maintenance in September.
Nearby, and something's on
Within 300 km of Borovets — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Borovets?
Borovets in September — FAQ
- Is September a good time to visit Borovets?
- September in Borovets: nice, a little rain, with clean air — not the best time to visit. It ranks #9 of 12 months for Borovets on SeasonMap's comfort score (18/100).
- What is the weather like in Borovets in September?
- In September, Borovets averages a daily high of 18.8°C and a low of 9.9°C, with about 51.7 mm of rain over roughly 8.9 rainy days.
- What is the air quality in Borovets in September?
- Borovets has a mean US Air Quality Index of about 37 in September.
Other months in Borovets
Compare Borovets in September
Warmer or cooler than Borovets in September
Similar destinations in Eastern Europe — September
Within 300 km: Halkidiki's Sea warm enough to swim around 1 Jun – 15 Oct.