Stockholm Weather in September

Stockholm in September averages 17°C (63°F) during the day and 9°C (48°F) at night. Some rainfall is typical for this time of year.

Rainfall in Stockholm in September

Past climate data indicates that roughly 15 days will see rain, totalling around 56 mm (2.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Stockholm in September

September in Stockholm brings typical temperatures with highs around 17°C (63°F) and lows of 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Stockholm in September

With about 171 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Stockholm in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

The water temperature is 15°C (59°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

For Stockholm itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.