Koper Weather in September
What's the weather like in Koper (Koper-Capodistria) in September 2024?
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.
| 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
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 Koper in September 2024.
Other monthly averages
Best places to visit in September
Koper weather stats
| 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 |
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