København (Copenhagen)
September
Weather in København for September 2025
Your guide to København weather in September - trends and predictions
Near Gale Warning (14-17 m/s) - See hour by hour.
Until now, September 2025 in København is slightly cooler than the historical average by -1.6 °C.
Expect cooler weather in the next days in København with the forecast suggesting a temperature of 17.1 °C, lower than the historical average.
In general, the average temperature in København at the beginning of September is 20.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.3 °C by the end of September.
København in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 54.1 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
13
Dry days
17
Rainy days
0
Snow days
18°/13°
Temperatures
20 km/h
Avg max wind
69 %
Avg humidity
København Weather September
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Temperatures trend during September in København
See the weather trend as well as the moving average line
September weather in København day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 21° /14° | 0.3 mm | 6 | |
| 2 Sept. | Sunny | 20° /13° | 0.3 mm | 5 | |
| 3 Sept. | Sunny | 21° /14° | 0.2 mm | 5 | |
| 4 Sept. |  Partly cloudy | 21° /15° | 0.2 mm | 5 | |
| 5 Sept. | Sunny | 21° /15° | 1 mm | 5 | |
| 6 Sept. | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 7 Sept. | Sunny | 21° /14° | 0.8 mm | 5 | |
| 8 Sept. | Sunny | 22° /15° | 2.7 mm | 5 | |
| 9 Sept. | Sunny | 22° /15° | 4 mm | 5 | |
| 10 Sept. |  Patchy rain possible | 21° /15° | 1.9 mm | 5 | |
| 11 Sept. | Light rain shower | 20° /14° | 5.3 mm | 5 | |
| 12 Sept. | Patchy rain possible | 19° /13° | 1.5 mm | 4 | |
| 13 Sept. |  Cloudy | 17° /13° | 2.9 mm | 4 | |
| 14 Sept. |  Overcast | 17° /12° | 2.6 mm | 4 | |
| 15 Sept. |  Moderate or heavy rain shower | 18° /12° | 4.3 mm | 4 | |
| 16 Sept. |  Moderate rain | 18° /14° | 5.8 mm | 0.5 | |
| 17 Sept. | Patchy rain possible | 18° /14° | 1 mm | 0.8 | |
| 18 Sept. | Patchy rain possible | 19° /14° | 2.6 mm | 0.7 | |
| 19 Sept. | Partly cloudy | 21° /17° | 0 mm | 0.8 | |
| 20 Sept. | Patchy rain possible | 23° /16° | 0.4 mm | 0.8 | |
| 21 Sept. | Patchy rain possible | 18° /16° | 1 mm | 4 | |
| 22 Sept. | Patchy rain possible | 16° /10° | 0.3 mm | 3 | |
| 23 Sept. | Partly cloudy | 14° /9° | 0 mm | 4 | |
| 24 Sept. | Sunny | 15° /11° | 0 mm | 4 | |
| 25 Sept. | Sunny | 14° /9° | 0 mm | 4 | |
| 26 Sept. | Sunny | 15° /10° | 0 mm | 4 | |
| 27 Sept. | Sunny | 16° /12° | 0 mm | 4 | |
| 28 Sept. | Sunny | 16° /12° | 0 mm | 4 | |
| 29 Sept. | Sunny | 17° /12° | 0 mm | 4 | |
| 30 Sept. | Patchy rain possible | 14° /10° | 2.3 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for København 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 København forecast closer to your planned date for the most up-to-date weather information.
Change Month
København in September - FAQ
What are the expected maximum and minimum temperatures in København during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in København during September?
Moderate rainfall is anticipated in København during September, with a total of 54.1 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in København during September?
The average wind speed in København during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in København
Explore the daily rainfall trends and prepare for Københavns September weather 💧
UV exposure in København during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is København?Get accurate weather forecasts for København, located at latitude 55.676 and longitude 12.566. Stay updated with localized weather information tailored for København.
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