Gothenburg
Sweden
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Gothenburg, Sweden

Evening cloudy skies above the city hall and the German Church in Gothenburg, Sweden
Evening cloudy skies above the city hall and the German Church in Gothenburg, Sweden
  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).

  • Average rainfall in September: 84mm

Wettest months (with the highest rainfall) are October and November (87mm).
The driest month (with the lowest rainfall) is February (41mm).

  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is December (17 days).
Months with the lowest number of rainy days are March and May (10 days).

  • Average sea temperature in September: 16.1°C

The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (2.6°C).

  • Average daylight in September: 14.1h

The month with the longest days is June (Average daylight: 20.3h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in September: 5.6h

The month with most sunshine is June (Average sunshine: 8.5h).
The month with least sunshine is December (Average sunshine: 1h).

  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).

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