Östermalm Weather in September

What's the weather like in Östermalm (Stockholm) in September 2023?

The climate in Östermalm during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Östermalm and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 9°C (48°F) is normal.

Östermalm weather averages (imperial / metric)
Daytime temperature 15.3°C 59.5°F
Nightly temperature 8.8°C 47.8°F
Average temperature 12°C 53.6°F
Daily sunshine 4.9 hrs
Avg rainfall 53 mm 2.1 ins
Rainy days 15 days
Sea temperature 13.9°C 57°F
Humidity 79%
Windspeed 15.1kph 9 mph

On average September is the 3rd wettest month of the year in Östermalm with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.9 hours of sunshine per day.

September temperatures in Östermalm

Östermalm average temperature in September

September rainfall

Östermalm average rain in September

September hourly sunshine

Östermalm average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Östermalm in September 2023.

Other monthly averages

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Östermalm weather stats

Östermalm weather statistics
Hottest month: July 21.4°C 70.5°F
Driest month: March 25mm 1ins
Sunniest month: June 9.9hrs
Coldest month: February -0.7°C 30.7°F
Wettest month: July 69mm 2.7ins
Map showing location of Östermalm (59.33879, 18.08487) Östermalm map pin © Google

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