Last updated: August 27, 2025
Bergen, Norway, in September showcases a mild and damp climate, with average temperatures hovering around 12°C (54°F). The maximum temperature can reach a pleasant 20°C (68°F), while the minimum dips to a cool 5°C (41°F). Visitors should prepare for a wet experience, as the city expects an impressive 330 mm (13.0 in) of precipitation over 19 days, resulting in a notable humidity level of 93%. This combination of milder temperatures and frequent rainfall contributes to Bergen's lush landscapes and vibrant autumn colors, making it an enchanting destination for travelers.
As September unfolds in Bergen, Norway, the transition to autumn becomes apparent, marked by a shift in temperatures that welcome cooler days. With a minimum of 5°C (41°F) and a comfortable average of 12°C (54°F), the crisp air feels invigorating, while daytime highs reaching up to 20°C (68°F) still allow for pleasant outdoor adventures. This month sets the stage for the gradual decline in temperatures that follows, contrasting sharply with the warmth of summer. As nature prepares for winter, September invites both locals and visitors to revel in the scenic beauty, vibrant foliage, and the unique charm of Bergen’s coastal landscape.
September in Bergen, Norway, marks a significant shift in the region's precipitation patterns, showcasing an impressive 330 mm (13.0 in) of rainfall over 19 days. This surge elevates September to one of the wettest months of the year, following a relatively wetter August with 236 mm (9.3 in). As autumn begins to set in, the amount of rainfall continues to rise, setting the stage for October's peak average of 360 mm (14.2 in). The increased frequency of rainy days in September, compared to the drier summer months, highlights the region's transition into its iconic, lush greenery, making it a captivating time for those who appreciate the dramatic shifts in nature.
As summer wanes into autumn, September in Bergen, Norway, sees a notable shift in humidity levels, measuring at 93%. While this is a dip from the peak 91% experienced in August, it still reflects the city's characteristic dampness. The trend reveals a general decline in humidity from the 83% low of June, making summer the most pleasant period for those sensitive to moisture. As the days grow shorter and cooler, humidity levels creep up again into the fall months, culminating in the return to heavier moisture associated with the winter season. This cyclical pattern illustrates Bergen's unique climate, where the lingering summer warmth gently transitions into the crispness of autumn while maintaining the city’s quintessentially humid atmosphere.
As September rolls in, Bergen experiences a moderate UV Index of 4, requiring 30 minutes of sun exposure before sunburn becomes a concern. This marks a gentle decline from the peak summer months, where the UV Index reached a high of 7 in June. The trend indicates a transition from the intense summer rays, making it important for residents and visitors alike to remain mindful of sun protection as they enjoy the crisp autumn air. With this moderate UV Index, the exposure category still prompts caution, suggesting that while sun safety remains essential, the urgency diminishes compared to peak summer. For more details on UV exposure throughout the year, visit Bergen UV Index.
UV Risk Categories
As September rolls in, Bergen, Norway, begins to experience a notable shift in daylight, with 267 hours of sunshine illuminating the city. Following the vibrant months of summer, where July peaks at 442 hours, the transition into fall is characterized by a gentle decline in sunlight. This gradual decrease, from August's 381 hours to September's numbers, hints at the changing seasons and sets the stage for the impending winter months. Interestingly, the bright summer months, particularly May through July, showcase the region's most impressive sunlit days, while the twilight of September reminds locals and visitors alike that winter is just around the corner, with October’s forecasted 201 hours marking a sharper decline. Embracing the waning days of sunshine, Bergen offers a beautiful blend of lingering warmth and the anticipation of autumn's crisp air.
As summer fades and September arrives in Bergen, Norway, the likelihood of sunny weather takes a noticeable dip, with only a 17% chance of sunshine. This marks a stark contrast to the more favorable conditions of the preceding months, particularly August which enjoys a 43% chance of sunny days. The trend reveals a gradual decrease in sunshine potential from the vibrant summer months, with September's gloomy statistics aligning with the onset of autumn. The season's transition is further underscored by the predictions for October, which see the chance of sunshine decline even further to 13%. Thus, if you're planning a trip in September, be prepared for Bergen's characteristic overcast skies.
As summer fades into autumn, September in Bergen, Norway experiences a significant shift in daylight duration, offering about 12 hours of light each day. This transitional month sees a gradual decline from the peak of 18 hours in June and July, marking a gentle descent into the coziness of autumn. The daylight in September serves as a reminder of the longer, sun-soaked days of summer, yet hints at the shorter spans that lie ahead in October and beyond. The trend reflects a rhythmic dance of nature, where every month plays a unique role in shaping the seasonal experience, paving the way for the striking cozy evenings of winter. As daylight wanes, it invites both reflection and the anticipation of the change in atmosphere that autumn brings.
As summer fades and autumn approaches, September in Bergen ushers in a gentle increase in wind speed, averaging 4.1 m/s (9 mph). This slight uptick from the calmer summer months reflects a transition to brisker days, as the city prepares for the more blustery seasons ahead. Following September, the winds begin to pick up more significantly, peaking in October at 6.0 m/s (13 mph). This trend illustrates Bergen's unique climatic rhythm, where the serene breezes of summer give way to the invigorating gusts of fall, inviting both locals and visitors to embrace the fresh, invigorating air as they enjoy the stunning landscape.
Weather in Bergen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bergen, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather experiences a mild transition with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), accompanied by significant precipitation of 330 mm (13.0 in) over 19 days. The high humidity of 93% adds to the damp feel of the month. In contrast, January brings colder conditions, where temperatures dip to a minimum of -10°C (14°F) and only reach a maximum of 10°C (51°F). Despite the chill, January sees less precipitation at 210 mm (8.3 in) across 18 days, though the humidity elevates to 98%, creating a crisp, often frosty atmosphere. For more insights on Bergen's January weather, visit Bergen weather in January.
September and February present contrasting weather patterns in Bergen. In September, temperatures range from a milder minimum of 5°C (41°F) to a pleasant maximum of 20°C (68°F), while February subjects residents to colder conditions with a minimum plunge to -13°C (9°F) and a maximum of just 10°C (50°F). Precipitation is notably higher in September at 330 mm (13.0 in) over 19 days, compared to February’s 203 mm (8.0 in) spread over 17 days. Furthermore, the humidity in February remains slightly higher at 96% compared to September's 93%. For more insights into February's weather, you can refer to Bergen weather in February.
When comparing the weather in September and March, we see notable differences in temperature and precipitation. September experiences milder temperatures, with a minimum of 5°C (41°F) and a maximum of 20°C (68°F), while March is significantly colder, starting from a low of -13°C (10°F) and only reaching up to 11°C (52°F). In terms of precipitation, September is wetter, with 330 mm (13.0 in) falling over 19 days, compared to 202 mm (8.0 in) across 20 days in March. Both months have high humidity levels, with September at 93% and March slightly higher at 94%. For more detailed insights into March's conditions, you can check this link: Bergen weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September tends to be milder, with average temperatures ranging from 5°C (41°F) to a maximum of 20°C (68°F), while April experiences cooler conditions, with temperatures dropping as low as -2°C (28°F) and peaking at 17°C (63°F). In terms of precipitation, September is significantly wetter, receiving 330 mm (13.0 in) over 19 days, compared to April's 124 mm (4.9 in) spread over 15 days. Humidity levels also remain high in both months, with September at 93% and April at 89%. For more detailed insights on Bergen's April weather, you can check this link: Bergen weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F). This month experiences significant rainfall, totaling 330 mm (13.0 in) over 19 days, along with high humidity levels at 93%. In contrast, May tends to be milder, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 23°C (73°F) and an average of 9°C (49°F). The precipitation is much lighter at 86 mm (3.4 in) across 14 days, accompanied by slightly lower humidity levels of 86%. For a more detailed look at May's climate, you can visit Bergen weather in May.
In comparing the weather between September and June, it's clear that September tends to be cooler and wetter. With temperatures ranging from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), the average temperature is slightly lower than June's range of 6°C (44°F) to 26°C (79°F). Rainfall is significantly higher in September, with 330 mm (13.0 in) falling over 19 days, compared to June's 149 mm (5.9 in) over 16 days. Additionally, September boasts higher humidity levels at 93%, while June maintains a slightly lower 83%. For more detailed insights into the weather patterns during June, you can check out Bergen weather in June.
When comparing the weather in September to that of July, notable differences emerge in temperature and precipitation. September experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 12°C (54°F), compared to July's minimum of 7°C (46°F) and an average of 15°C (58°F). Additionally, September is significantly wetter, receiving 330 mm (13.0 in) of precipitation over 19 days, while July sees only 141 mm (5.6 in) across 16 days. Humidity levels are also higher in September at 93%, compared to July's 87%. For more insights into July's climate, you can visit Bergen weather in July.
September weather is notably cooler and wetter compared to August. While August typically sees a minimum temperature of 9°C (48°F) and an average of 15°C (59°F), September's temperatures drop to a minimum of 5°C (41°F) with an average of 12°C (54°F). Additionally, September experiences significantly more rainfall, totaling 330 mm (13.0 in) across 19 days, compared to August's 236 mm (9.3 in) over the same number of days. Humidity also rises slightly in September to 93%, compared to August's 91%. For more details on August conditions, you can refer to Bergen weather in August.
In comparing September and October weather, both months display a notable drop in average temperatures, with September averaging 12°C (54°F) compared to October's 9°C (49°F). While September enjoys a maximum temperature of 20°C (68°F), October's highest is slightly cooler at 17°C (64°F). Precipitation levels also increase, with October receiving 360 mm (14.2 in) over 23 days, up from September's 330 mm (13.0 in) over 19 days. Additionally, humidity rises slightly from 93% in September to 95% in October, reflecting the wetter conditions typical of autumn. For more detailed insights, check out Bergen weather in October.
September's weather is characterized by relatively mild temperatures, with minimums around 5°C (41°F) and maximums reaching 20°C (68°F). Humidity levels stand at a high 93%, accompanied by significant rainfall totaling 330 mm (13.0 in) over 19 days. In contrast, November sees a notable drop in temperatures, with minimums plummeting to -4°C (26°F) and maximums peaking at just 13°C (55°F). While precipitation is lower in November at 248 mm (9.8 in), the high humidity remains consistent at 97%, making the month feel quite chilly and damp. For more detailed information, visit Bergen weather in November.
September and December showcase distinct weather patterns, reflective of the transitioning seasons. In September, temperatures range from a minimum of 5°C (41°F) to a pleasant average of 12°C (54°F), reaching a maximum of 20°C (68°F) on warmer days. This month is characterized by significant rainfall, with 330 mm (13.0 in) of precipitation spread over 19 days and humidity levels at a high 93%. In contrast, December presents a colder climate, with temperatures dropping to a minimum of -5°C (22°F) and an average of just 4°C (39°F), peaking at 11°C (53°F). While precipitation decreases to 259 mm (10.2 in) across 20 days, humidity increases slightly to 97%, emphasizing the chill of the winter months. For more detailed insights, you can check out the full weather overview here: Bergen weather in December.
As September unfolds in Bergen, the city transitions into a cooler and wetter phase, distinguishing it from the balmy summer months. With average temperatures dipping to a mild 12°C (54°F) and a significant increase in precipitation, this month is characterized by more frequent rain showers, with approximately 19 days of wet weather. The high humidity levels at 93% can make the air feel quite damp, prompting locals and visitors alike to embrace cozy attire and enjoy indoor activities. While September may mark the end of summer warmth, its unique charm lies in the dramatic shifts of nature, making it a month of stunning autumn colors and atmospheric landscapes. For a deeper understanding of the weather trends throughout the year, visit Bergen Climate.