September · Denmark
Best time to visit Copenhagen in September Weather, crowds & prices
Weather in Copenhagen in September
Average temperature 16°C, 58 mm of rain, about 7 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.6/10
Ranked #5 of 12 months
- Avg temp
- 16°C
- Rainfall
- 58 mm
- Humidity
- 83%
- Days with 6h+ sun
- 7
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Copenhagen scores 7.6/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 16°C, 58 mm of rain, and roughly 7 days with 6+ hours of sunshine this month.
From May to September, 17-hour daylight fuels harbor swims and bike rides past Nyhavn's lit facades.
September holds up well in Copenhagen — 5th best month
September averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 58 mm, so plan one flexible day in three; you still get about 7 days with 6+ hours of sunshine and 12.4 hours of daylight.
It scores 7.6/10 here, 5th of 12 months, against 8.9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Copenhagen in September?
- In September, Copenhagen averages 16°C, 58 mm of rain, and about 7 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
- Is September a good time to visit Copenhagen?
- September earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Copenhagen in September?
- Expect about 58 mm of rain in September. Average humidity is 83% and there are about 7 days with 6+ hours of sunshine.
Curated in Copenhagen
Tickets & experiences
Things to do in Copenhagen
Copenhagen, Denmark. Live activities and tours from GetYourGuide, matched to this destination.