30YearWeather
Copenhagen, September 14
Copenhagen street view during September
Historical Weather Analysis

Copenhagen Weather on September 14 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

17°C

High

12.1°C

Low

18%

Rain

🌤️ Feels like 17°C

partly-cloudy-day
YES, GOOD CHOICE

September 14 is generally a great time to visit Copenhagen. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 17°C weather. Copenhagen is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

DKK

kr Danish krone

Language

Danish

Driving

Right side

Connect

Libraries offer free internet access for...

Safety

Very High Safety

GPI: 1.296

Copenhagen Weather Forecast for September 14

"Mild & Comfortable. Expect average highs of 17°C. 18% chance of rain."

What to Wear in Copenhagen in September

Based on historical data for September 14, Copenhagen typically experiences temperatures between 12.1°C and 17°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Copenhagen

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

17°C

Daytime Peak

Average Low

extreme-cold

12.1°C

Nighttime Low

Feels Like

partly-cloudy-day

17°C

🌤️ Feels accurate

Rain Chance

rain

18%

Avg 1.1mm if it rains

Cloud Cover

cloudy

60%

Overcast

Pressure

pressure

1012.8 hPa

High volatility

Copenhagen Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.7°CModerate
Precipitation
9-27%Predictable

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 40 min to burn

Type III-IV

🟡 60 min to burn

Type V-VI

🟢 100 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

72Good
TemperatureMild
HumidityMuggy
WindWindy

Dew Point

12.7°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
18°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.51m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Denmark

Flight Traffic

Busy

63/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~268

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Copenhagen

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:40

☀️ Noon

12:06

🌇 Sunset

18:33

⏱️ Daylight

12h 52m

Golden Hour
Morning05:40 - 06:28
17:44 - 18:33Evening

Wind Speed

wind

25.1 km/h

Moderate wind

Sunshine

clear-day

8.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

76%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Copenhagen

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Copenhagen

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

55Score
Atmospheric Pressure1012.8 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
28AQI
Good
PM2.5 Concentration3.5 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Copenhagen on September 14 averages 17°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 88/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Copenhagen Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2016
24.1°C
Coldest
2024
11.3°C
Rainiest
2025
10.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 14) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Copenhagen Worth Visiting on September 14?

Planning a trip to Copenhagen on September 14? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17°C with a 18% historical precipitation risk.

✈️ Travel Logistics: Approximately 268 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 7 vaccinations are recommended for Denmark, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 18°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.51m.

📊 Historical Extremes: The hottest September 14 recorded in the last 30 years saw temperatures hit 24.1°C in 2016, while the coldest dropped to 11.3°C in 2024.

Copenhagen Weather FAQ