The climate in Sofia during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Sofia and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 11°C (51°F) is normal.
|Daytime temperature||22.5°C 72.5°F|
|Nightly temperature||10.5°C 50.9°F|
|Average temperature||16.5°C 61.7°F|
|Daily sunshine||7.8 hrs|
|Avg rainfall||41 mm 1.6 ins|
|Rainy days||5 days|
|Sea temperature||22.9°C 73.3°F|
|Windspeed||8.3kph 5 mph|
On average September is the 5th driest month of the year in Sofia with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sofia in September 2023.
Best places to visit in September
|Hottest month:||August||25.5°C 77.9°F|
|Driest month:||January||34mm 1.3ins|
|Coldest month:||January||1.3°C 34.3°F|
|Wettest month:||May||81mm 3.2ins|