Sinemorets Weather in September
During September, Sinemorets experiences high daytime temperatures of 23°C (73°F) and cooler nights around 19°C (66°F). Expect quite a bit of rainfall. Around 74 mm (2.9 in) is typical.
Rainfall in Sinemorets in September
You can expect rain on roughly 5 days based on historical data, averaging 74 mm (2.9 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Sinemorets in September
Sinemorets in September is worth a visit. The temperature is perfect, with 23°C (73°F) during the day and 19°C (66°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Sinemorets in September
There are approximately 244 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Sinemorets.
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 Sinemorets's climate page.
Sinemorets Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
23°C (73°F)
Chance of Rain
18%
Precipitation
74 mm (2.9 in)
Rainy days
5 days
Humidity
72% *
Sunshine
244 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sinemorets typically drop from around 26°C (79°F) at the start of September to approximately 23°C (73°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 Sinemorets in September
Browse day-by-day weather records for Sinemorets spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sinemorets historical weather extremes in September
Our historical data for Sinemorets spans 1997 to 2025, revealing these weather extremes.
- The hottest September day on record in Sinemorets reached 34°C (93°F) (September 16, 2022).
- Sinemorets experienced its chilliest September day on September 24, 2000, reaching only 14°C (57°F).
- The lowest overnight temperature recorded in September was 5°C (41°F) (September 24, 1997).
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
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unpleasant
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What to Wear in Sinemorets 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sinemorets 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 Sinemorets's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sinemorets climate overview or explore weather in Bulgaria.
