The climate in Ocna Sibiului during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Ocna Sibiului and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 21.7°C 71.1°F | 
|---|---|
| Nightly temperature | 8.7°C 47.7°F | 
| Average temperature | 15.2°C 59.4°F | 
| Daily sunshine | 6.8 hrs | 
| Avg rainfall | 46 mm 1.8 ins | 
| Rainy days | 9 days | 
| Sea temperature | 21.5°C 70.7°F | 
| Humidity | 79% | 
| Windspeed | 6.1kph 4 mph | 
On average September is the 6th wettest month of the year in Ocna Sibiului with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 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 Ocna Sibiului in September 2025.
Best places to visit in September
| Hottest month: | July | 24.9°C 76.8°F | 
|---|---|---|
| Driest month: | February | 30mm 1.2ins | 
| Sunniest month: | August | 8.3hrs | 
| Coldest month: | January | 0.7°C 33.3°F | 
| Wettest month: | June | 96mm 3.8ins |