Weather in Copenhagen in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Copenhagen sees average highs of 18.0°C (64.4°F) and lows of 13.0°C. Conditions are pleasantly mild and moderately rainy (8 rainy days), with roughly 9.2 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Copenhagen — every month compared. Once you know when to go, find your Copenhagen packing list at 247PackingList.
Get ready for Copenhagen in September
Search flights to Copenhagen
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Copenhagen in September
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
Compare all months in Copenhagen
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 5.1°C | 67.5mm | 10/10 |
| February | 5.2°C | 59.8mm | 10/10 |
| March | 6.9°C | 37.8mm | 10/10 |
| April | 10.1°C | 30.3mm | 10/10 |
| May | 14.2°C | 50.3mm | 10/10 |
| June | 19.9°C | 37.0mm | 10/10 |
| July | 20.2°C | 71.0mm | 10/10 |
| August | 20.5°C | 65.1mm | 10/10 |
| September | 18.0°C | 52.4mm | 10/10 |
| October | 13.4°C | 79.9mm | 10/10 |
| November | 8.7°C | 54.3mm | 10/10 |
| December | 4.5°C | 68.5mm | 8/10 |
Full month-by-month guide: best time to visit Copenhagen →
For facts about Denmark — currency, language and dialling code — see our Denmark country guide at 247CountryInfo. Travellers also find it useful to keep a Copenhagen travel guide to hand. Check clothing sizes in Denmark before you shop.
Frequently Asked Questions
Is September a good time to visit Copenhagen?
September rates 10/10 for visiting Copenhagen — excellent time to visit. Expect average highs of 18.0°C, 52.4mm of rain across the month and about 9.2 hours of daily sunshine.
What is the temperature in Copenhagen in September?
In September, Copenhagen has average highs of 18.0°C (64.4°F) and average lows of 13.0°C (55.4°F).
Does it rain in Copenhagen in September?
Not much. September averages just 52.4mm of rain in Copenhagen — the odd shower is possible but most days stay dry.
What should I wear in Copenhagen in September?
For Copenhagen in September (18.0°C highs / 13.0°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes, light waterproof layer.
More essentials for Copenhagen in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.