Weather in Sofia in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Sofia sees average highs of 24.3°C (75.7°F) and lows of 12.6°C. Conditions are warm and mostly dry with only occasional showers, with roughly 11.0 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Sofia — every month compared. Once you know when to go, find your Sofia packing list at 247PackingList.
Get ready for Sofia in September
Search flights to Sofia
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Sofia in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Sofia
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 6.0°C | 74.3mm | 10/10 |
| February | 9.2°C | 31.8mm | 10/10 |
| March | 10.4°C | 67.3mm | 10/10 |
| April | 14.9°C | 71.2mm | 10/10 |
| May | 20.9°C | 76.5mm | 10/10 |
| June | 24.1°C | 84.4mm | 10/10 |
| July | 28.6°C | 33.0mm | 10/10 |
| August | 28.6°C | 53.7mm | 10/10 |
| September | 24.3°C | 37.7mm | 10/10 |
| October | 18.6°C | 59.6mm | 10/10 |
| November | 11.9°C | 68.8mm | 10/10 |
| December | 7.6°C | 69.3mm | 10/10 |
Full month-by-month guide: best time to visit Sofia →
For facts about Bulgaria — currency, language and dialling code — see our Bulgaria country guide at 247CountryInfo. Travellers also find it useful to keep a Sofia travel guide to hand. Check clothing sizes in Bulgaria before you shop.
Frequently Asked Questions
Is September a good time to visit Sofia?
September rates 10/10 for visiting Sofia — excellent time to visit. Expect average highs of 24.3°C, 37.7mm of rain across the month and about 11.0 hours of daily sunshine.
What is the temperature in Sofia in September?
In September, Sofia has average highs of 24.3°C (75.7°F) and average lows of 12.6°C (54.7°F).
Does it rain in Sofia in September?
Not much. September averages just 37.7mm of rain in Sofia — the odd shower is possible but most days stay dry.
What should I wear in Sofia in September?
For Sofia in September (24.3°C highs / 12.6°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Sofia in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.