Copenhagen · AutumnMonth summary
Copenhagen weather in September
✅ Good
🌡️ Temperature min / max
13°C – 18°C
🌧 Rainy days
35% of days
☀️ Sunshine
9.8h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
June (7.7/10)
Quick decision
Should you visit Copenhagen in September?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: September is a good time to visit Copenhagen. June remains slightly better (+0.6 pts).
By trip type
Copenhagen in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Cultural sites less crowded than peak season — more enjoyable visits Autumn in Copenhagen is often underrated: 18°C, golden light and declining crowds. An interesting window. Expect rain on 35% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (7.7/10) is significantly better if possible.
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All months for Copenhagen
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | 1°C | 4°C | 40% | 1.8 | 2.0h | 1.9/10 |
| 🌦️ February | 1°C | 5°C | 39% | 1.8 | 4.8h | 3.0/10 |
| 🌦️ March | 2°C | 7°C | 35% | 1.5 | 7.0h | 4.2/10 |
| 🌫️ April | 4°C | 10°C | 30% | 1.4 | 11.8h | 6.4/10 |
| ⛅ May | 9°C | 15°C | 31% | 1.3 | 13.2h | 7.1/10 |
| 🌤️ June | 13°C | 20°C | 33% | 1.7 | 13.8h | 7.7/10 |
| 🌤️ July | 15°C | 20°C | 42% | 2.3 | 13.5h | 7.5/10 |
| 🌤️ August | 15°C | 20°C | 38% | 2.0 | 12.1h | 7.4/10 |
| 🌤️ September | 13°C | 18°C | 35% | 1.9 | 9.8h | 7.1/10 |
| 🌦️ October | 9°C | 13°C | 42% | 2.5 | 5.9h | 4.4/10 |
| 🌦️ November | 5°C | 8°C | 38% | 1.7 | 2.4h | 3.1/10 |
| 🌦️ December | 3°C | 6°C | 39% | 1.8 | 1.0h | 1.9/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Copenhagen averages 18°C, 35% rainy days and 9.8h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
September vs June (best month)
The best month is June (score 7.7/10). Difference:
- 🌡️ Max temperature : +2°C
- 🌧 Rainy days : -2%
- ☀️ Sunshine : +4.0h/day
FAQ
FAQ — Copenhagen in September
Is September a good time to visit Copenhagen?
September is an acceptable time for Copenhagen (score 7.1/10). Conditions are decent but not optimal — consider June (7.7/10) if possible.
What to do in Copenhagen in September?
With 18°C max and 9.8h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Copenhagen
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Explore also
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