Cernik Weather in September
What's the weather like in Cernik (Primorsko-Goranska) in September 2025?
The climate in Cernik during September can be summarized as mild and wet.
September is in the fall / autumn in Cernik and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 17.5°C 63.5°F |
|---|---|
| Nightly temperature | 6.5°C 43.7°F |
| Average temperature | 12°C 53.6°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 148 mm 5.8 ins |
| Rainy days | 13 days |
| Sea temperature | 22.8°C 73.1°F |
| Humidity | 82% |
| Windspeed | 9.7kph 6 mph |
On average September is the 4th wettest month of the year in Cernik with around 148mm 5.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Cernik
September rainfall
September hourly sunshine
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 Cernik in September 2025.
Other monthly averages
Best places to visit in September
Cernik weather stats
| Hottest month: | July | 20.9°C 69.6°F |
|---|---|---|
| Driest month: | February | 112mm 4.4ins |
| Sunniest month: | July | 9.8hrs |
| Coldest month: | January | 1.3°C 34.3°F |
| Wettest month: | November | 203mm 8ins |
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