Weather in Koper in September
Koper temperatures in September range from 17 to 24 and there is an average of 10 days of rain.
Avg Temp
17° - 24°
Avg Rainy Days
10
Avg Dry Days
20
Avg Snow Days
0
Weather Facts - Koper in September
* The warmest temperature recorded in in September is 31°C
* The coldest temperature recorded in Koper in September is 6°C
* The average rainfall in Koper in September is 103 mm