Weather in Sofia in September
September in Sofia is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In Bulgaria, this is how Sofia actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Sofia's year.
- Average temp
- 17°C
11–23°C
- Rainfall
- 54 mm
Showers likely
- Sunshine
- 7.5 h
hours per day
What to expect
Daytime
Mild afternoons in Sofia are the prize in September. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
Mixed skies in Sofia in September. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Sofia
Dates are a starting point for September.
Travel guides for Sofia
What to read before you book.
Average weather in Sofia
TemperatureRainfall
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FAQs about Sofia
Climate averages for Sofia, 1991–2020.
The best time to visit Sofia is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 22°C.
June is the wettest month, with about 78 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
