The climate in Asău during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Asău and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 19.9°C 67.7°F | 
|---|---|
| Nightly temperature | 6.6°C 43.8°F | 
| Average temperature | 13.2°C 55.8°F | 
| Daily sunshine | 6.9 hrs | 
| Avg rainfall | 49 mm 1.9 ins | 
| Rainy days | 9 days | 
| Sea temperature | 20.9°C 69.6°F | 
| Humidity | 79% | 
| Windspeed | 7.9kph 5 mph | 
On average September is the 6th wettest month of the year in Asău with around 49mm 1.9 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 6.9 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 Asău in September 2025.
Best places to visit in September
| Hottest month: | July | 23.2°C 73.8°F | 
|---|---|---|
| Driest month: | February | 30mm 1.2ins | 
| Sunniest month: | August | 8.3hrs | 
| Coldest month: | January | -1.7°C 28.9°F | 
| Wettest month: | June | 96mm 3.8ins |