The climate in Suciu de Sus during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Suciu de Sus and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 19.6°C 67.2°F | 
|---|---|
| Nightly temperature | 7.7°C 45.8°F | 
| Average temperature | 13.6°C 56.5°F | 
| Daily sunshine | 7 hrs | 
| Avg rainfall | 47 mm 1.8 ins | 
| Rainy days | 10 days | 
| Sea temperature | 20.5°C 68.9°F | 
| Humidity | 80% | 
| Windspeed | 6.8kph 4 mph | 
On average September is the 5th driest month of the year in Suciu de Sus with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 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 Suciu de Sus in September 2025.
Best places to visit in September
| Hottest month: | July | 22.9°C 73.2°F | 
|---|---|---|
| Driest month: | February | 38mm 1.5ins | 
| Sunniest month: | August | 8.6hrs | 
| Coldest month: | January | -0.7°C 30.7°F | 
| Wettest month: | June | 105mm 4.1ins |