Sozopol Weather in September
September in Sozopol averages 24°C (75°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 64 mm (2.5 in) on average. An umbrella is a good idea.
Rainfall in Sozopol in September
Records from the past 30 years suggest around 5 days of rain, with 64 mm (2.5 in) average for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Sozopol in September
Sozopol has excellent weather in September, with days reaching 24°C (75°F) and nights cooling to 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Sozopol in September
The month enjoys around 244 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Sozopol in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in September
With water at 21°C (70°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Sozopol.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sozopol's climate page.
Sozopol Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Water Temperature
21°C (70°F) *
Chance of Rain
15%
Precipitation
64 mm (2.5 in)
Rainy days
5 days
Humidity
72% *
Windspeed
3 m/s (6 knots) *
Sunshine
244 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sozopol typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Sozopol in September
Browse day-by-day weather records for Sozopol spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sozopol historical weather extremes in September
Our historical data for Sozopol spans 1997 to 2025, revealing these weather extremes.
- Sozopol recorded its highest September temperature of 35°C (95°F) on September 16, 2022.
- The lowest daytime temperature in September was 14°C (57°F), recorded on September 21, 2007.
- Sozopol registered its coldest September night on September 24, 1997, with temperatures dropping to 5°C (41°F).
Best Places in Bulgaria in September
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Sozopol in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 21°C (70°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sozopol in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sozopol's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Sozopol climate overview or explore weather in Bulgaria.
