The climate in Copălău during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Copălău and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (71°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 21.4°C 70.5°F |
|---|---|
| Nightly temperature | 9.2°C 48.6°F |
| Average temperature | 15.3°C 59.5°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 43 mm 1.7 ins |
| Rainy days | 9 days |
| Sea temperature | 20.4°C 68.7°F |
| Humidity | 76% |
| Windspeed | 9kph 6 mph |
On average September is the 6th wettest month of the year in Copălău with around 43mm 1.7 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 7.2 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 Copălău in September 2025.
Best places to visit in September
| Hottest month: | July | 25.2°C 77.4°F |
|---|---|---|
| Driest month: | January | 25mm 1ins |
| Sunniest month: | August | 8.9hrs |
| Coldest month: | January | -0.7°C 30.7°F |
| Wettest month: | June | 84mm 3.3ins |