Month guide · Copenhagen · Denmark
Copenhagen in September
What September is really like in Copenhagen: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: European Commission, CC BY 4.0
Quick answer
September is one of the best months to visit Copenhagen. Expect average highs of 17°C (63°F), lows of 11°C (52°F), about 9 rainy days and roughly 12.6 hours of daylight. Often mild and settled early in the month, with fewer visitors and leaves starting to turn in the parks.
Key facts
- Average high / low
- 17°C (63°F) / 11°C (52°F)
- Rainy days
- About 9
- Daylight
- About 12.6 hours
- Sea temperature
- 16°C (61°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 4th-warmest month in Copenhagen: days average 17°C (63°F) against a yearly average high of 12°C (54°F), and nights fall to about 11°C (52°F). Rain falls on roughly 9 of its 30 days. Compared with August (21°C (70°F)), September is cooler; by October highs drop to around 12°C (54°F).
- Sunrise (15 September)
- About 06:41
- Sunset (15 September)
- About 19:28
- Daylight
- About 12.6 hours
- Sea
- 16°C (61°F)
Autumn (September–November). A mild early autumn, Culture Night and Tivoli's Halloween season, turning dark and damp by November.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in September
September has no major recurring festival in Copenhagen, which usually means easier bookings.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Palace · Slotsholmen
Christiansborg Palace
Go up the free tower first (expect a security check), then choose which paid sections to visit.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- History
- Views
- Architecture
- Rainy day
Landmark · Langelinie
The Little Mermaid
Edvard Eriksen's small bronze of Hans Christian Andersen's mermaid has sat on a rock at Langelinie since 1913.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- Iconic
- Photo spot
- Outdoors
Neighbourhood · Christianshavn
Freetown Christiania
Walk the paths along the ramparts and the lake to see the most inventive homes, and follow the residents' signs.
- Time needed
- 1–2 hours
- Cost
- Free
- Free
- Architecture
- Outdoors
- History
Religious site · Christianshavn
Church of Our Saviour
This baroque church is famous for its spire, whose outer spiral staircase winds round the outside to a gilded globe about 90 metres above the ground, with views over the harbour and the city's rooftops.
- Time needed
- 1 hour
- Cost
- Low cost
- Views
- Architecture
- History
- Active
What to pack
For highs near 17°C, lows near 11°C and 9 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Copenhagen?
One of the best months to visit Copenhagen. The other best months are May–August. Compare every month.
Copenhagen in other months
Questions travellers ask
+Is September a good time to visit Copenhagen?
It is one of the best months to visit Copenhagen. Often mild and settled early in the month, with fewer visitors and leaves starting to turn in the parks.
+How warm is Copenhagen in September?
Average highs are around 17°C (63°F) and lows around 11°C (52°F).
+Does it rain a lot in Copenhagen in September?
Expect rain on about 9 days of the month.