Koper Weather in September

What's the weather like in Koper (Koper-Capodistria) in September 2022?

The climate in Koper during September can be summarized as warm and damp.

September is in the fall / autumn in Koper and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 15°C (58°F) is normal.

Koper weather averages (imperial / metric)
Daytime temperature 23.8°C 74.8°F
Nightly temperature 14.6°C 58.3°F
Average temperature 19.2°C 66.6°F
Daily sunshine 7.7 hrs
Avg rainfall 112 mm 4.4 ins
Rainy days 11 days
Sea temperature 23°C 73.4°F
Humidity 71%
Windspeed 6.5kph 4 mph

On average September is the 2nd wettest month of the year in Koper with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

September temperatures in Koper

Koper average temperature in September

September rainfall

Koper average rain in September

September hourly sunshine

Koper 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 Koper in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Koper weather stats

Koper weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 73mm 2.9ins
Sunniest month: July 10.2hrs
Coldest month: January 7.4°C 45.3°F
Wettest month: November 117mm 4.6ins
Map showing location of Koper (45.54694, 13.72944)

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