The climate in Bârnova during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Bârnova and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 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 | 7.5 hrs | 
| Avg rainfall | 45 mm 1.8 ins | 
| Rainy days | 8 days | 
| Sea temperature | 20.3°C 68.6°F | 
| Humidity | 74% | 
| Windspeed | 9.4kph 6 mph | 
On average September is the 6th wettest month of the year in Bârnova with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 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 Bârnova in September 2025.
Best places to visit in September
| Hottest month: | July | 26.3°C 79.3°F | 
|---|---|---|
| Driest month: | October | 26mm 1ins | 
| Sunniest month: | August | 9.4hrs | 
| Coldest month: | January | -0.3°C 31.5°F | 
| Wettest month: | June | 79mm 3.1ins |