Kópavogur Weather in September

During September, Kópavogur experiences moderate daytime temperatures of 12°C (54°F) and cooler nights around 6°C (43°F). Expect quite a bit of rainfall. Around 146 mm (5.7 in) is typical.

Rainfall in Kópavogur in September

On average, there are about 18 days with rain during this month, averaging 146 mm (5.7 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Kópavogur in September

September in Kópavogur sees highs of 12°C (54°F) and lows of 6°C (43°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Kópavogur in September

The month brings about 121 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Kópavogur in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

At 10°C (50°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Kópavogur. Our weather planner can help you explore destinations with more pleasant weather conditions.