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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the DailyCity weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
September in Bulgaria brings warm, pleasant days with average highs around 24–28°C, cooling to 12–16°C at night. The live forecast above shows the current conditions for Bulgaria’s coastal and inland regions.
What is the weather like in Bulgaria during September?
September is one of the best months to visit Bulgaria, with the summer heat easing into mild autumn. Along the Black Sea coast, including Sunny Beach, sea temperatures remain around 21–23°C, ideal for swimming. Inland, cities like Sofia see more variable conditions, with occasional afternoon showers. The weather in Bulgaria in September is generally stable, though you’ll need a light jacket for evenings.
How does September compare to other months?
The weather in Bulgaria in September celsius terms sits between the hotter July and the cooler October. For reference, the weather in Bulgaria in July often exceeds 30°C, while the weather in Bulgaria in October drops to 15–20°C. If you’re planning a trip, the weather in Bulgaria in September Sunny Beach is particularly pleasant, less crowded than August. The weather in Bulgaria in June and the weather in Bulgaria in May are both warmer and wetter, making September a drier, more comfortable choice.
Is September a good time to visit Bulgaria?
Yes, September offers warm days, fewer tourists, and lower prices than peak summer. The weather in Bulgaria in September is ideal for beach holidays and city breaks, with sea temperatures still comfortable for swimming.
What should I pack for Bulgaria in September?
Pack light clothing for daytime, a swimsuit for the coast, and a jacket or sweater for cooler evenings. An umbrella is useful for occasional showers, especially inland.
How does the weather in Bulgaria in September 2022 compare to recent years?
September 2022 was slightly warmer than average, with highs near 30°C in coastal areas. For current trends, always check the live forecast above before travelling.
For more UK-focused forecasts, see our UK weather hub. For conditions in English cities, check Birmingham Weather or Bristol Weather.