Copenhagen weather in September
Copenhagen in September averages 15°C (58°F) and 59 mm of rain.
Of the twelve months in Copenhagen, September is the fourth warmest and the fourth wettest.
- Average temp
- 15°C (58°F)
11–18°C · 52–64°F
- Rainfall
- 59 mm
Showers likely
- Sunshine
- —
What is Copenhagen like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Copenhagen in September?
A light rain jacket
About 59 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 11°C (52°F).
September compared with August and October
September in Copenhagen is 3.7°C cooler than August and 15 mm drier than it, which averages 18°C (65°F).
September in Copenhagen is 4.6°C warmer than October and about as wet as it, which averages 10°C (50°F).
Daylight in Copenhagen in September
On 15 September the sun is up for 12 hours 44 minutes in Copenhagen, rising about 06:42 and setting about 19:26 local time.
September ends 2 hours 12 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 47 minutes short of June, the longest-lit month here.
Where to stay in Copenhagen
Dates are a starting point for September.
Travel guides for Copenhagen
What to read before you book.
Copenhagen weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 2°C / 35°F | 44 mm |
| February | 2°C / 35°F | 32 mm |
| March | 4°C / 39°F | 30 mm |
| April | 8°C / 47°F | 28 mm |
| May | 13°C / 55°F | 47 mm |
| June | 16°C / 61°F | 60 mm |
| July | 19°C / 65°F | 59 mm |
| August | 18°C / 65°F | 74 mm |
| September | 15°C / 58°F | 59 mm |
| October | 10°C / 50°F | 61 mm |
| November | 6°C / 42°F | 49 mm |
| December | 3°C / 37°F | 47 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Copenhagen in September
September climate averages for Copenhagen, 1991–2020.
Copenhagen averages 15°C (58°F) in September, ranging from about 11°C (52°F) at night to 18°C (64°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 59 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 15°C (58°F) against 10°C (50°F) in October — 4.6°C warmer.
September is 3.7°C cooler than August, and 15 mm drier.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 44 minutes of daylight in mid-September, against 17 hours 31 minutes in June and 7 hours 4 minutes in December.
On 15 September, sunrise is about 06:42 and sunset about 19:26 local time. Both shift across the month — the month ends 2 hours 12 minutes shorter than it starts.
