Brinje Weather in September
What's the weather like in Brinje (Lika-Senj) in September 2025?
The climate in Brinje during September can be summarized as mild and wet.
September is in the fall / autumn in Brinje and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 19.2°C 66.6°F |
|---|---|
| Nightly temperature | 8.4°C 47.1°F |
| Average temperature | 13.8°C 56.8°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 140 mm 5.5 ins |
| Rainy days | 13 days |
| Sea temperature | 22.6°C 72.7°F |
| Humidity | 79% |
| Windspeed | 9kph 6 mph |
On average September is the 4th wettest month of the year in Brinje with around 140mm 5.5 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 Brinje
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 Brinje in September 2025.
Other monthly averages
Best places to visit in September
Brinje weather stats
| Hottest month: | July | 22.8°C 73°F |
|---|---|---|
| Driest month: | July | 102mm 4ins |
| Sunniest month: | July | 10hrs |
| Coldest month: | January | 2.1°C 35.8°F |
| Wettest month: | November | 193mm 7.6ins |
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