Rijeka Weather in September

What's the weather like in Rijeka (Primorsko-Goranska) in September 2024?

The climate in Rijeka during September can be summarized as mild and wet.

September is in the fall / autumn in Rijeka and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 9°C (48°F) is normal.

Rijeka weather averages (imperial / metric)
Daytime temperature 20.4°C 68.7°F
Nightly temperature 8.8°C 47.8°F
Average temperature 14.6°C 58.3°F
Daily sunshine 7.1 hrs
Avg rainfall 143 mm 5.6 ins
Rainy days 13 days
Sea temperature 22.8°C 73.1°F
Humidity 79%
Windspeed 8.6kph 5 mph

On average September is the 3rd wettest month of the year in Rijeka with around 143mm 5.6 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 7.1 hours of sunshine per day.

September temperatures in Rijeka

Rijeka average temperature in September

September rainfall

Rijeka average rain in September

September hourly sunshine

Rijeka average rain in September

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 Rijeka in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Rijeka weather stats

Rijeka weather statistics
Hottest month: July 24°C 75.2°F
Driest month: July 101mm 4ins
Sunniest month: July 10.1hrs
Coldest month: January 4.1°C 39.4°F
Wettest month: November 185mm 7.3ins
Map showing location of Rijeka (45.34306, 14.40917) Rijeka map pin © Google

Locations nearby

Top Croatia locations