Copenhagen weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Copenhagen September weather at a glance
In September, Copenhagen averages 15.9°C, with typical highs of 18.5°C and lows of 13.6°C. The historical average is 8 wet days and 77% humidity.
Copenhagen September temperature & humidity
Copenhagen September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Copenhagen in September
T-shirts or long sleeves with one light outer layer should be comfortable.
- DaytimeLong sleeves and a light jacket · average high 18.5°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 13.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Copenhagen September sunrise & sunset times
2026 September · Local time (Europe/Copenhagen)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:14 | 20:04 | 13h 49m |
| 2026-09-15 | 06:41 | 19:27 | 12h 46m |
| 2026-09-30 | 07:10 | 18:48 | 11h 38m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Copenhagen travel updates
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Today’s weather and forecast
Check temperature, rain and wind in Windy.
Forecast · Windy. Monthly averages are in the Temperature section.
Copenhagen news search
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Copenhagen city map
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Copenhagen travel essentials
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Best months to visit Copenhagen
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Copenhagen weather like in September?
In September, Copenhagen averages 15.9°C, with typical highs of 18.5°C and lows of 13.6°C. The historical average is 8 wet days and 77% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Copenhagen in September?
There are about 8 wet days in September. A compact umbrella is still useful.
What should I wear in Copenhagen in September?
T-shirts or long sleeves with one light outer layer should be comfortable.
What are the best months to visit Copenhagen?
Recent weather data rates August, September among the more comfortable months.
Where can I check Copenhagen weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Copenhagen in September?
On 2026-09-15, calculated sunrise is 06:41 and sunset is 19:27 in local time (Europe/Copenhagen). Times vary by date and terrain.
Copenhagen weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations