Weather in Gothenburg in September 2025
Average weather
Average temperature in Gothenburg in September
Going from a maximum of +79°F during the day to a minimum of +43°F during the night, the temperature in September averages around +68°F.
The average maximum temperature goes down 30% by the end of the month, compared with the beginning of the month, from +72°F to +61°F.
Is Gothenburg warm or cold in September?
Gothenburg is typically mild in September.
Maximum temperatures go down compared to the previous month from +68°F to +61°F. The minimum temperature also goes down from +55°F to +50°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Gothenburg:
Water temperature in Gothenburg in September
Water in Gothenburg in September is Fresh. It varies from +56°F to +65°F, with an average of +61°F. Note that the air temperature is lower than the water temperature, averaging around +61°F.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Gothenburg in September?
Climate in Gothenburg in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +68°F | +61°F | +52°F | ||||
| Min. temperature | ||||||
| +41°F | +30°F | +18°F | ||||
| Max. temperature | ||||||
| +86°F | +79°F | +68°F | ||||
| Rainfall | ||||||
| 105 mm | 95 mm | 106 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +65°F | +61°F | +54°F | ||||
| Humidity | ||||||
| 77% | 80% | 83% | ||||
| Air pressure | ||||||
| 1011 HPa | 1012 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 6 | 7 | 5 | ||||
| Cloudy days | ||||||
| 5 | 6 | 7 | ||||
| Rainy days | ||||||
| 17 | 16 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +68°F in the day, the average maximum temperature lowers to +61°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 105 mm to 95 mm. Humidity rises from 77% to 80%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in September, from 6 to 7.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Gothenburg is gradually increasing during September, going from 2 m/s to 6 m/s over the course of the month.
Rain
How was the weather last September in Gothenburg?
Climate Change Over the Years
The climate in Gothenburg in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1987 (+47°F) and the highest in 2020 (+55°F). The driest year was 1996 with only 526 mm of rainfall, and the wettest year was 2000 with 1351 mm.
FAQ
Is September a good time to visit Gothenburg?
Can you sunbathe in Gothenburg in September?
Can you swim in Gothenburg in September?
Is Gothenburg rainy in September?
Is it sunny in Gothenburg in September?
Other cities in Sweden
Monthly weather in Gothenburg
Source of the data
For this page, we’ve looked at the typical weather in Gothenburg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.