September weather forecast
Gothenburg, Sweden

The city hall and the German Church in Gothenburg, Sweden
The city hall and the German Church in Gothenburg, Sweden

Weather in September

The first month of the autumn, September, is also an enjoyable month in Gothenburg, Sweden, with an average temperature varying between 18°C (64.4°F) and 10.7°C (51.3°F).

Temperature

In September, the average high-temperature marginally drops from an agreeable 21.8°C (71.2°F) in August to a comfortable 18°C (64.4°F). In September, in Gothenburg, the average low-temperature is 10.7°C (51.3°F).

Rainfall

In Gothenburg, in September, during 16 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Gothenburg, during the entire year, the rain falls for 163 days and collects up to 791mm (31.14") of precipitation.

Sea temperature

In Gothenburg, Sweden, the average seawater temperature in September is 16.1°C (61°F).
Note: For most, swimming in 16.1°C (61°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Gothenburg, the average length of the day in September is 12h and 47min.
On the first day of September in Gothenburg, Sweden, sunrise is at 06:12 and sunset at 20:11. On the last day of the month, sunrise is at 07:14 and sunset at 18:50 CEST.

Sunshine

The average sunshine in September is 5.6h.

UV index

In Gothenburg, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Gothenburg?

In Gothenburg, Sweden, in September, the average high-temperature is 18°C (64.4°F), and the average low-temperature is 10.7°C (51.3°F).

How many days does it rain in September in Gothenburg?

In Gothenburg, Sweden, in September, during 16 rainfall days, 84mm (3.31") of precipitation is typically accumulated.

What is the sea water temperature in September in Gothenburg?

In Gothenburg, Sweden, in September, the average water temperature is 16.1°C (61°F). Swimming in 16.1°C (61°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Gothenburg have in September?

In Gothenburg, the average day length in September is 12h and 47min.

When is the sunrise / sunset in September in Gothenburg?

On the first day of September in Gothenburg, sunrise is at 06:12 and sunset at 20:11. On the last day of the month, sunrise is at 07:14 and sunset at 18:50 CEST.

How many hours of sunshine does Gothenburg have in September?

The average sunshine duration in September is 5.6h.

What is the UV index reading in September in Gothenburg?

In Gothenburg, Sweden, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Gothenburg, Sweden

Average temperature in September - 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).

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Average rainfall in September
Gothenburg, Sweden

Average rainfall in September - Gothenburg, Sweden
  • Average rainfall in September: 84mm

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

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Average rainfall days in September
Gothenburg, Sweden

Average rainfall days in September - Gothenburg, Sweden
  • Average rainfall days in September: 16 days

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

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Average sea temperature in September
Gothenburg, Sweden

Average sea temperature in September - Gothenburg, Sweden
  • 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).

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Average daylight in September /
Average sunshine in September
Gothenburg, Sweden

Average daylight in September / Average sunshine in September - Gothenburg, Sweden
  • Average daylight in September: 12h and 47min

The month with the longest days is June (Average daylight: 17h and 58min).
The month with the shortest days is December (Average daylight: 6h and 41min).

  • Average sunshine in September: 5h and 36min

The month with the most sunshine is June (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).

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Average UV index in September
Gothenburg, Sweden

Average UV index in September - Gothenburg, Sweden
  • Average UV index in September: 3

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

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