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Weather in København for September 2026

Your guide to København weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in København is cooler than usual, with temperatures averaging 18.6 °C, this is 2.2 °C below the typical seasonal average.

  • Expect cooler weather in the next days in København with the forecast suggesting a temperature of 17.7 °C, lower than the historical average.

  • In general, the average temperature in København at the beginning of September is 20.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °C by the end of September.

    • Rain 🌧️

  • København experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 56.1 mm.

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/13°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
70 %
Avg humidity

København Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
21°
2
Sunny
20°
3
Sunny
20°
4
Partly cloudy
21°
5
Sunny
21°
6
Partly cloudy
21°
7
Overcast
21°
8
Patchy rain possible
22°
9
Patchy rain possible
21°
10
Patchy rain possible
20°
11
Light rain shower
20°
12
Patchy rain possible
20°
13
Patchy rain possible
19°
14
Overcast
17°
15
Sunny
21°
16
Light rain shower
18°
17
Patchy rain possible
17°
18
Patchy rain possible
17°
19
Overcast
18°
20
Cloudy
20°
21
Sunny
16°
22
Patchy rain possible
16°
23
Light rain shower
17°
24
Overcast
15°
25
Sunny
17°
26
Partly cloudy
16°
27
Heavy rain at times
16°
28
Patchy rain possible
16°
29
Moderate or heavy rain shower
15°
30
Patchy rain possible
14°

Temperatures trend during September in København

See the weather trend as well as the moving average line

September weather in København day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 21° /13° 0.7 mm 5
2 Sept. Sunny
Sunny
 20° /13° 0.6 mm 5
3 Sept. Sunny
Sunny
 20° /14° 0.8 mm 4
4 Sept. Partly cloudy
Partly cloudy
 21° /15° 1.1 mm 5
5 Sept. Sunny
Sunny
 21° /14° 1 mm 5
6 Sept. Partly cloudy
Partly cloudy
 21° /14° 0 mm 5
7 Sept. Overcast
Overcast
 21° /14° 0.7 mm 5
8 Sept. Patchy rain possible
Patchy rain possible
 22° /15° 2.9 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 21° /15° 3.9 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 1.6 mm 5
11 Sept. Light rain shower
Light rain shower
 20° /14° 4.5 mm 4
12 Sept. Patchy rain possible
Patchy rain possible
 20° /15° 0.6 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 19° /14° 0.7 mm 3
14 Sept. Overcast
Overcast
 17° /11° 0 mm 2.6
15 Sept. Sunny
Sunny
 21° /12° 6.2 mm 5
16 Sept. Light rain shower
Light rain shower
 18° /14° 27 mm 5
17 Sept. Patchy rain possible
Patchy rain possible
 17° /13° 0.1 mm 4
18 Sept. Patchy rain possible
Patchy rain possible
 17° /13° 2.2 mm 5
19 Sept. Overcast
Overcast
 18° /12° 0 mm 5
20 Sept. Cloudy
Cloudy
 20° /12° 0.1 mm 4
21 Sept. Sunny
Sunny
 16° /12° 0.1 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 0.3 mm 4
23 Sept. Light rain shower
Light rain shower
 17° /12° 2.2 mm 5
24 Sept. Overcast
Overcast
 15° /11° 0 mm 4
25 Sept. Sunny
Sunny
 17° /11° 0 mm 5
26 Sept. Partly cloudy
Partly cloudy
 16° /11° 2.8 mm 4
27 Sept. Heavy rain at times
Heavy rain at times
 16° /12° 4.8 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 2.4 mm 4
29 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 5.2 mm 3
30 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 2.1 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.
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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 56.1 mm spread over approximately 9 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 22 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 💧
Typically, København has 9 rainy days in September with a total of 56.1 mm of rainfall.

UV exposure in København during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates 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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