Koper-Capodistria (Koper)
September
Weather in Koper-Capodistria for September 2027
Your guide to Koper-Capodistria weather in September - trends and predictions
In general, the average temperature in Koper-Capodistria at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.8 °C by the end of September.
The climate of Koper-Capodistria in September is notably wet, with an average of 11 rainy days, and a total of 168.6 mm of precipitation.
Is September a good time to visit Koper-Capodistria? check out the best time to travel to Koper-Capodistria page.
Temperatures
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
24°/15°
Temperatures
12 km/h
Avg max wind
70 %
Avg humidity
Koper-Capodistria Weather September
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Temperatures trend during September in Koper-Capodistria
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September weather in Koper-Capodistria day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 30° /19° | 0.1 mm | 7 | |
| 2 Sept. |  Light rain | 29° /19° | 3.7 mm | 7 | |
| 3 Sept. |  Patchy rain possible | 29° /18° | 0.7 mm | 6 | |
| 4 Sept. |  Sunny | 29° /19° | 0.1 mm | 6 | |
| 5 Sept. | Light rain | 29° /19° | 2.6 mm | 6.7 | |
| 6 Sept. |  Patchy light rain with thunder | 27° /17° | 2.5 mm | 6 | |
| 7 Sept. | Sunny | 28° /17° | 0 mm | 6 | |
| 8 Sept. | Light rain | 28° /18° | 2.7 mm | 6 | |
| 9 Sept. |  Moderate rain | 24° /17° | 14.5 mm | 4 | |
| 10 Sept. |  Heavy rain | 23° /16° | 40.5 mm | 4 | |
| 11 Sept. | Moderate rain | 23° /15° | 20.3 mm | 4 | |
| 12 Sept. | Moderate rain | 23° /13° | 18.6 mm | 5 | |
| 13 Sept. | Patchy rain possible | 22° /13° | 0.3 mm | 5 | |
| 14 Sept. | Light rain | 21° /13° | 5.4 mm | 4 | |
| 15 Sept. | Patchy rain possible | 22° /13° | 0 mm | 5 | |
| 16 Sept. | Light rain | 23° /13° | 5.4 mm | 5 | |
| 17 Sept. | Moderate rain | 21° /13° | 11.4 mm | 4 | |
| 18 Sept. | Light rain | 24° /14° | 4.2 mm | 5 | |
| 19 Sept. | Light rain | 25° /16° | 3.7 mm | 5 | |
| 20 Sept. | Partly cloudy | 24° /16° | 0 mm | 5.3 | |
| 21 Sept. | Sunny | 25° /15° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 24° /14° | 1.4 mm | 5 | |
| 23 Sept. | Light rain | 21° /13° | 2.9 mm | 5 | |
| 24 Sept. | Patchy light rain with thunder | 20° /13° | 17.3 mm | 4 | |
| 25 Sept. | Patchy light rain with thunder | 20° /12° | 5.1 mm | 4.9 | |
| 26 Sept. | Light rain shower | 21° /12° | 0.7 mm | 4 | |
| 27 Sept. | Light rain | 23° /13° | 3 mm | 4.7 | |
| 28 Sept. | Patchy rain possible | 22° /12° | 1 mm | 4.6 | |
| 29 Sept. | Patchy rain possible | 22° /12° | 0.3 mm | 4 | |
| 30 Sept. | Partly cloudy | 19° /10° | 0.2 mm | 4 | |
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Important Notice
Our weather forecast for Koper-Capodistria in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Koper-Capodistria forecast closer to your planned date for the most up-to-date weather information.
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Koper-Capodistria in September - FAQ
What are the expected maximum and minimum temperatures in Koper-Capodistria during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Koper-Capodistria during September?
Significant rainfall exceeding 168.6 mm is expected in Koper-Capodistria during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Koper-Capodistria during September?
The average wind speed in Koper-Capodistria during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Koper-Capodistria
Explore the daily rainfall trends and prepare for Koper-Capodistrias September weather 💧
Typically, Koper-Capodistria has 11 rainy days in September with a total of 168.6 mm of rainfall.
UV exposure in Koper-Capodistria during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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