September Weather in Goeteborg, Sweden

Last updated: August 27, 2025

September in Göteborg, Sweden showcases a charming transition from summer to autumn, with maximum temperatures reaching 24°C (75°F) and an average of 13°C (56°F). The month is characterized by a cooler climate, as temperatures can dip to a minimum of 1°C (34°F). While the city experiences a notable precipitation amount of 110 mm (4.3 in) over approximately 15 rainy days, the high humidity at 85% adds to the crisp, refreshing air. This blend of weather elements creates a unique atmosphere, perfect for enjoying the vibrant fall foliage and the cultural offerings of Göteborg.

September Temperature in Goeteborg

In September, Göteborg, Sweden, begins to transition from the warmth of summer to the cooler embrace of fall. With minimum temperatures hovering around 1°C (34°F) and an average of 13°C (56°F), the days still feel mild, especially with a comfortable maximum of 24°C (75°F). This month showcases a gentle decline in temperature, reflecting the shift from the peak summer months of July and August. As daylight gradually wanes and the leaves start to blush with autumn colors, Göteborg offers a charming atmosphere perfect for exploring parks and scenic waterfronts. The warm days beckon outdoor activities while the cooler nights invite cozy gatherings, balancing the vibrant energy of the city with the tranquility of fall.

September Weather in Goeteborg: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Goeteborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goeteborg, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec353337445261636156484136
Data source: Temperature data for Goeteborg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Goeteborg

In September, Göteborg experiences a significant shift in its precipitation patterns, laying the groundwork for the transition into autumn. With 110 mm (4.3 in) of rainfall over approximately 15 days, this month sees a notable drop from the high August figures—yet it remains one of the wetter months of the year. As the summer warmth fades, the increased precipitation serves as a cue for the vibrant colors of autumn foliage to emerge. This consistent rainfall carries over into October, where precipitation rises slightly to 117 mm (4.6 in), suggesting that the city's residents should prepare for more rainy days ahead. Overall, September's climate sets a transitional stage, balancing the lingering warmth of late summer with the impending chill of fall.

September Precipitation Trends in Goeteborg

The chart displays monthly precipitation patterns in Goeteborg, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Goeteborg, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec527170398280991341101177573
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Goeteborg

In September, Göteborg experiences a notable increase in humidity, rising to 85% after the summer months. This uptick follows the relatively lower levels of 73% in both July and June, creating a shift as autumn approaches. The humidity levels during this transitional month are higher than those in August, which had seen 77%, reflecting a return to the more typical dampness that characterizes the region as it moves towards the colder months. As autumn sets in, September's moisture levels hint at the approaching winter, with the city bracing for the more substantial humidity of 91% by October.

September Average Humidity in Goeteborg

This chart illustrates the average monthly humidity levels in Goeteborg, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Goeteborg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%84%75%74%73%77%86%91%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Goeteborg

As summer transitions to autumn in Goeteborg, Sweden, September brings a UV Index of 5, categorized as moderate, indicating a slight dip from the high readings of July and August. With a burn time of just 30 minutes, it's crucial for sunbathers to remain vigilant. This time of the year showcases a gradual decline in UV intensity, reminiscent of the brisk transition from the sunnier months of June and July, where the UV Index peaked at 7. As the days grow shorter and the weather cools, residents and visitors alike should continue to pay attention to UV levels, as this month awards just a bit more time in the sun compared to the arriving autumn months. For more detailed insights on UV levels throughout the year, check out Goeteborg UV Index.

Maximum UV Index Levels in Goeteborg for September

The chart shows the monthly maximum UV Index (UVI) for Goeteborg in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Goeteborg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765211
Data source: Goeteborg September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Goeteborg

As summer gracefully transitions into autumn, September in Göteborg offers a delightful glimpse of sunshine with 305 hours of daylight. This month marks a significant retreat from the sun-drenched days of July and June, where the city basked in over 460 hours of radiant light. Following the vibrant summer months, September's light is a bittersweet reminder of the approaching cooler seasons, though it still provides a generous balance of warmth compared to the stark drop in hours seen in the coming months. This gradual decline highlights a clear trend: each season holds its unique charm, with the sun's retreat signaling a shift towards the cozy embrace of autumn. Embrace September's sunshine while it lasts, as it paves the way for the enchanting hues of fall that will soon blanket the city.

Monthly Sunshine Duration in Goeteborg: September Highlighted

The September sunshine duration represents the total number of hours Goeteborg experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec92h176h275h375h438h461h466h402h305h240h135h101h
Data source: Goeteborg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goeteborg During September

In Göteborg during September, the likelihood of sunny weather is moderate, with a 30% chance of sunshine. This marks a noticeable decline from the more sunny months of spring and summer, where April and June peak at 55% and 44% respectively. Following the warmth of summer, September's drop in sunny days is part of a broader trend as the seasons shift toward autumn. As temperatures cool and daylight wanes, the city's residents and visitors may want to savor the fleeting moments of sun before the darker months set in. With a 30% chance of clear skies, September presents fleeting opportunities for outdoor activities, making it a time to cherish each ray of sunlight.

Percentage of Sunny Days in September in Goeteborg

The chart illustrates the percentage of sunny days in Goeteborg throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Goeteborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%34%38%55%28%44%41%39%30%24%18%26%
Data source: Goeteborg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goeteborg in September

As summer fades in Göteborg, Sweden, the daylight duration begins its rhythmic retreat come September, offering a gentle reminder of the approaching autumn. With 12 hours of daylight, this month marks a gradual shift from the sun-drenched 17 hours experienced in July and June, down to the brisk 10 hours anticipated in October. While September still enjoys ample sunlight, the decrease signals a transition towards the cozy, shorter days of fall. The subtle drop in daylight is part of a natural cycle, transitioning from the vibrant energy of summer to the serene, introspective nature of the autumn months, emphasizing the unique beauty of each season in this northern locale.

Average Daylight Hours in Goeteborg for September

The chart illustrates the variation in daylight duration in Goeteborg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 19m9h 24m11h 53m14h 24m16h 41m17h 57m17h 16m15h 10m12h 43m10h 13m7h 55m6h 37m
Data source: Goeteborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Goeteborg

As September unfolds in Göteborg, the gentle embrace of a 3.3 m/s (7 mph) wind brings a subtle shift in the city’s atmosphere, marking the transition from summer’s warmth to autumn’s crispness. This slight dip in wind speed compared to the summer months reflects a broader trend, as wind speeds generally increase with the arrival of fall. Throughout the year, the winds exhibit a rhythmic ebb and flow, with the highest speeds peaking in October at 4.4 m/s (10 mph), creating a dynamic tapestry of weather patterns that dance through the seasons. September, while milder, paves the way for these invigorating gusts, setting the stage for the changing foliage and cozy days ahead.

Average September Wind Speed in Goeteborg

The chart displays monthly wind speed patterns in Goeteborg, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.83.84.03.03.23.03.43.3 m/s4.44.03.7
Data source: Goeteborg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Goeteborg Compares to Other Months

Weather in Goeteborg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Goeteborg, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between September and January, significant differences are evident. September boasts a milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 24°C (75°F), and an average of 13°C (56°F). This month also experiences substantial rainfall, totaling 110 mm (4.3 in) over approximately 15 days, coupled with a relative humidity of 85%. In contrast, January brings much colder temperatures, with a minimum of -14°C (7°F) and a maximum of only 9°C (49°F), averaging just 2°C (35°F). Precipitation decreases to 52 mm (2.0 in) spread over about 9 days, though the humidity remains high at 92%. For a more detailed look into what to expect in January, check out Goeteborg weather in January.

September and February present a striking contrast in weather patterns. September boasts milder temperatures, ranging from a minimum of 1°C (34°F) to a comfortable maximum of 24°C (75°F), with an average of 13°C (56°F). In contrast, February experiences much colder conditions, with temperatures plunging to a minimum of -19°C (-1°F) and an average of just 1°C (34°F), peaking at a maximum of 13°C (55°F). Precipitation is also higher in September, totaling 110 mm (4.3 in) over 15 days, compared to February's 71 mm (2.8 in) over 11 days. Additionally, humidity levels remain slightly elevated in February at 91%, surpassing September's 85%. For more details on February weather, you can visit Goeteborg weather in February.

When comparing the weather in September and March, notable differences emerge. September typically experiences milder temperatures, with a minimum of 1°C (34°F), an average of 13°C (56°F), and a maximum reaching up to 24°C (75°F). In contrast, March is much colder, with temperatures ranging from a minimum of -17°C (2°F) to an average of 3°C (37°F). Precipitation is more abundant in September, totaling 110 mm (4.3 in) over about 15 days, while March sees less precipitation at 70 mm (2.7 in) across approximately 12 days. Additionally, March has a slightly higher humidity level at 89%, compared to September’s 85%. For more detailed information, you can check Goeteborg weather in March.

When comparing the weather in September and April, notable differences emerge. September typically experiences a warmer climate, with average temperatures ranging from a chilly 1°C (34°F) at night to a comfortable 24°C (75°F) during the day, while April's temperatures start lower, with a minimum of -7°C (20°F) and an average of just 7°C (44°F). Additionally, September sees significantly more precipitation, totaling 110 mm over approximately 15 days compared to April's lighter 39 mm across 8 days. Both months maintain high humidity levels, with September at 85% and April slightly lower at 84%. For more detailed insights about April weather, you can visit Goeteborg weather in April.

When comparing the weather in September and May, we notice some distinct differences. September tends to be milder, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 24°C (75°F), while May is slightly cooler, with temperatures ranging from -1°C (31°F) to 30°C (86°F). September also experiences more precipitation, averaging 110 mm (4.3 in) across 15 wet days compared to May’s 82 mm (3.2 in) over 13 days. Additionally, humidity levels in September are higher at 85%, while May has a more comfortable 75%. For more detailed insights into May weather, check Goeteborg weather in May.

September and June present contrasting weather patterns. In September, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 24°C (75°F), with an average of 13°C (56°F). The month is relatively wet, receiving about 110 mm (4.3 in) of precipitation over approximately 15 days, accompanied by high humidity levels at 85%. In contrast, June offers warmer temperatures, with a minimum of 6°C (43°F) and a maximum reaching 29°C (85°F), averaging 16°C (62°F). This month is drier, with only 80 mm (3.1 in) of precipitation over about 11 days and lower humidity at 73%. For more detailed insights, you can visit Goeteborg weather in June.

When comparing the weather in September and July, notable differences emerge. September sees cooler temperatures with a minimum of 1°C (34°F) and an average of 13°C (56°F), while July enjoys warmer conditions, with a minimum of 7°C (45°F) and an average of 17°C (63°F). The maximum temperature in July can reach a high of 33°C (91°F), significantly warmer than September's peak of 24°C (75°F). In terms of precipitation, September has slightly higher rainfall at 110 mm (4.3 in) over 15 days, compared to July’s 99 mm (3.9 in) across 13 days. Additionally, September exhibits higher humidity at 85%, contrasted with July's 73%. For more details on July weather, visit Goeteborg weather in July.

September and August exhibit notable differences in weather patterns. In September, temperatures drop, with a minimum of 1°C (34°F) and a maximum of 24°C (75°F), resulting in a cooler average of 13°C (56°F). In contrast, August enjoys warmer conditions, featuring a minimum of 6°C (43°F) and soaring daytime highs reaching 33°C (91°F), with an average temperature of 16°C (62°F). While September experiences a significant amount of rainfall with 110 mm (4.3 in) over 15 days, August has slightly more precipitation at 133 mm (5.3 in), albeit over 17 days. Additionally, September's humidity is higher at 85%, compared to August’s 77%. For a detailed look at the weather specific to August, you can visit Goeteborg weather in August.

September's weather features milder temperatures, with averages reaching up to 24°C (75°F) and a minimum of 1°C (34°F). This month also sees significant rainfall, with precipitation recorded on 15 days totaling 110 mm (4.3 in) and an 85% humidity level. In contrast, October brings a noticeable drop in temperatures, with averages around 9°C (49°F) and a minimum dipping to -2°C (28°F). The precipitation increases slightly to 117 mm (4.6 in) over 17 days, accompanied by higher humidity at 91%. The shift from September to October marks a transition into cooler and wetter weather, making it essential to prepare accordingly. For more details on the October weather inGöteborg, check out Goeteborg weather in October.

September and November present a notable contrast in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 110 mm (4.3 inches) across 15 days, accompanied by high humidity levels at 85%. In stark contrast, November brings cooler weather, with temperatures dipping from a minimum of -8°C (18°F) to a maximum of 15°C (59°F), averaging just 5°C (42°F). While precipitation is lower at 75 mm (3.0 inches) over 13 days, humidity rises to 92%, making the air feel quite damp. For more details, you can check Goeteborg weather in November.

September and December exhibit significantly different weather patterns. In September, the temperatures range from a mild 1°C (34°F) at night to a pleasant 24°C (75°F) during the day, with an average of 13°C (56°F). This month also sees considerable rainfall, with about 110 mm (4.3 in) falling over 15 days, and humidity levels lingering around 85%. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -12°C (11°F) and peaking at just 10°C (50°F), averaging around 2°C (36°F). The precipitation is lower at 72 mm (2.9 in) over 14 days, yet the humidity remains relatively high at 91%. For more details on the December weather specifically, you can visit Goeteborg weather in December.

Compare Goeteborg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Goeteborg

As September unfolds in Göteborg, the weather marks a transition from the warmth of summer to the crispness of autumn. Average temperatures drop, offering a refreshing coolness compared to the hotter months, with maximums around 24°C (75°F) tapering off and lows dipping as low as 1°C (34°F). This month experiences consistently high humidity levels, often reaching 85%, and a significant amount of rain—over 110 mm (4.3 in)—spreads across 15 days, making it one of the wetter months of the year. As the landscape begins to shift, September serves as a poignant reminder of the changing seasons, blending the lingering warmth of summer with the onset of autumnal coolness. For a deeper dive into how this month fits within the broader climate trends, check out Goeteborg Climate.