Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Copenhagen in September

In an average September, Copenhagen sees a daily high around 17°C and a low around 10°C, based on 1980–2026 of local climate records.

Average high17°C
Typical high range14°C to 21°C
Average low10°C
Typical low range7°C to 14°C
Average daily precipitation3 mm

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 28°C 2024-09-05
Lowest 9°C 1993-09-16

Low

Highest 18°C 2024-09-04
Lowest 0°C 1985-09-26

Feels-like

Highest 30°C 2024-09-08
Lowest -4°C 2002-09-24

Humidity

Highest 15.0 g/m³ 1997-09-02
Lowest 4.9 g/m³ 1983-09-30

Wind

Highest 52 km/h 1985-09-06
Lowest 5 km/h 1998-09-23

Gust

Highest 96 km/h 1985-09-06
Lowest 12 km/h 1998-09-23

Precip

Wettest 126 mm 1994
Driest 19 mm 2023

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