Last updated: August 27, 2025
In September, the picturesque city of Stavanger, Norway experiences a diverse range of weather conditions. With a maximum temperature reaching 21°C (69°F), the month offers pleasant days, though the average sits at 13°C (56°F), cooling off significantly at night with a minimum of 6°C (43°F). This transition into autumn is marked by substantial precipitation, totaling 246 mm (9.7 in) over 18 days, resulting in a humid atmosphere with levels hovering around 90%. Whether you're exploring the vibrant streets or savoring local cuisine, be prepared for the embrace of Stavanger's changeable climate.
As summer transitions to autumn in Stavanger, Norway, September brings a delightful shift in temperatures. With minimums averaging around 6°C (43°F) and maximums peaking at a comfortable 21°C (69°F), this month strikes a balance that invites outdoor exploration. The average temperature of 13°C (56°F) reflects a gentle warmth, perfect for enjoying the stunning fall landscapes. Compared to the warmer months of July and August, September marks a noticeable yet pleasant decline in temperatures, hinting at the cooler days ahead while still holding onto the fading remnants of summer's warmth. Overall, it’s an ideal time to soak in the breathtaking views while basking in the crisp, energizing air.
September in Stavanger, Norway, marks a significant uptick in precipitation, with 246 mm (9.7 in) of rain falling over 18 days. This surge not only highlights the transition into autumn but also establishes September as the wettest month of the year, far surpassing the previous month of August, which recorded 196 mm (7.7 in). The shift toward more frequent and intense rainfall foreshadows the even wetter months ahead, particularly October, which typically brings 315 mm (12.4 in). As the summer warmth recedes, Stavanger's landscape transforms under the weight of this abundant precipitation, painting a vivid picture of the region's dramatic seasonal changes.
As summer transitions into autumn, September in Stavanger, Norway showcases a subtle yet noticeable uptick in humidity, climbing back to 90%. This month mirrors the moisture levels of early spring, suggesting a consistent pattern where humidity remains high throughout the year. From the refreshing lows of 81% in June to the heavier, more humid months as the year closes—peaking in early winter at 93% in November—the city's climate reveals a persistent dampness. With a relatively stable range, Stavanger invites its residents and visitors to experience a maritime atmosphere that is both invigorating and palpable throughout the seasons.
In September, Stavanger experiences a UV Index of 4, indicating a moderate risk of harm from unprotected sun exposure, with an estimated burn time of 30 minutes. This marks a slight decline from the peak summer months, reflecting the seasonal transition as the sun's intensity decreases. Unlike the high UV levels seen in May and June, September's conditions encourage outdoor enjoyment with a more cautious approach to sun protection. As the days get shorter and cooler, it’s still wise to keep an eye on UV levels to ensure a safe and enjoyable experience outside. For more detailed information, visit Stavanger UV Index.
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As September arrives in Stavanger, Norway, the city basks in a generous 279 hours of sunshine, a reflection of summer's gradual farewell. This month shows a notable decrease from the sun-drenched peak of 423 hours in July, yet remains robust compared to the dreariness that follows in October with just 218 hours. The trends reveal a consistent decline in daylight as autumn approaches, but September’s warm glow lingers, allowing residents and visitors alike to enjoy the vibrant, shifting colors of the landscape. With 412 hours in May marking the onset of summer, the gradual transition to fewer daylight hours paints a picture of nature preparing for the winter months.
As summer fades and September arrives in Stavanger, the prospects for sunny weather take a noticeable dip, with only a 22% chance of sunshine. This marks a significant decrease compared to the warmer months of August (40%) and July (30%), highlighting a shift towards the cooler and cloudier days of fall. The trend persists into October, further diminishing sunny possibilities to just 18%. In contrast, the spring months, particularly April, see a more promising 54% chance of sun, suggesting that while September might not welcome many rays, there are brighter days ahead as the seasons change.
As September unfolds in Stavanger, Norway, the days begin to shorten, with an average of 12 hours of daylight marking the transition from the bright summer months to the dimmer fall. This gradual decrease follows a peak in June, when the long summer days offered an impressive 18 hours of sunlight, giving way to a progressive decline through July and August. The early autumn light still maintains a comfortable glow, reminding residents of the vibrant summer just passed, before settling into the more contemplative hours of October, where daylight dwindles to 10 hours. This natural rhythm not only shapes the local lifestyle but also prepares the community for the cozy embrace of winter, where daylight dips to just 6 hours by December.
As summer gently gives way to autumn, September in Stavanger experiences a subtle shift in its winds, with an average speed of 4.5 m/s (10 mph). This marks a notable increase from the calmer days of July and May, reflecting a gradual intensification that precedes the more robust gusts of autumn. Compared to the preceding months, September's winds are a delightful mix of breezy and invigorating, hinting at the seasonal transition. The anticipated increase to 6.5 m/s (15 mph) in October suggests that Stavanger is on the brink of embracing the autumn gales, where the winds will grow bolder and more spirited, weaving a tapestry of atmospheric change that influences both the landscape and the vibrant life beneath it.
Weather in Stavanger varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Stavanger, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns in Stavanger. September boasts milder temperatures, with a minimum of 6°C and an average of 13°C, reaching a maximum of 21°C. This month experiences significant rainfall, with 246 mm over approximately 18 days, and a high humidity level of 90%. In contrast, January is much colder, with temperatures plummeting to a minimum of -6°C, an average of 4°C, and a maximum of only 10°C. Despite having less precipitation at 161 mm over 17 days, January maintains a slightly higher humidity of 92%. For more details on January's weather, check out Stavanger weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (69°F), with an average of 13°C (56°F), making it a relatively mild time of year. However, it also experiences significant rainfall, with 246 mm (9.7 in) of precipitation spread over 18 days and consistently high humidity at 90%. In stark contrast, February sees much colder temperatures, with a minimum plunging to -10°C (14°F) and an average of only 3°C (37°F), peaking at 9°C (49°F). Although February receives less precipitation at 162 mm (6.4 in) over 15 days, the humidity remains high at 90%, lending a chill to the winter air. For more detailed information, you can check Stavanger weather in February.
When comparing the weather in September and March, one can see significant differences in temperature and precipitation patterns. September typically experiences milder temperatures, with averages around 13°C (56°F) and highs reaching 21°C (69°F), while March remains much colder, with an average of just 4°C (39°F) and maximum temperatures peaking at 10°C (50°F). Despite having the same number of rainy days at 18, September is notably wetter, with a total precipitation of 246 mm (9.7 in) compared to March's 153 mm (6.0 in). Both months also share high humidity levels at 90%, but the chill of March creates a stark contrast to the relatively mild conditions of September. For more specific insights about March, you can visit Stavanger weather in March.
In comparing the weather of September and April, September generally offers milder temperatures, with averages hovering around 13°C (56°F) and reaching a high of 21°C (69°F). In contrast, April tends to be cooler, with an average temperature of only 6°C (44°F) and highs around 17°C (62°F). Furthermore, September is significantly wetter, receiving 246 mm (9.7 in) of precipitation over 18 days, while April sees much less rain, totaling 91 mm (3.6 in) across 13 days. Humidity levels are quite similar, with September at 90% and April at 87%. For more detailed weather insights, you can check Stavanger weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (69°F), with an average of 13°C (56°F). The month is characterized by higher precipitation, totaling 246 mm (9.7 in) over 18 rainy days, along with a humidity level of 90%. In contrast, May experiences milder temperatures, with a low of 2°C (36°F) and highs reaching 26°C (78°F), resulting in an average of 10°C (50°F). The precipitation in May is significantly lower at 89 mm (3.5 in) across 12 days, coupled with a more comfortable humidity level of 84%. This makes September a wetter and cooler month compared to the warmer and drier conditions of May. For more detailed information, check Stavanger weather in May.
September and June in Stavanger showcase distinct weather patterns that reflect the transition from summer to autumn. In June, temperatures are generally warmer with a maximum average of 25°C (78°F) compared to September's maximum of 21°C (69°F). Humidity levels are slightly lower in June at 81%, while September experiences a higher humidity of 90%. Moreover, September sees nearly double the precipitation, totaling 246 mm (9.7 in) over 18 days, compared to June's 126 mm (5.0 in) over 16 days. For more specific details on June weather, you can visit Stavanger weather in June.
In comparing the weather between July and September, July tends to be warmer with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 27°C (81°F). In contrast, September sees cooler temperatures, with average lows of 6°C (43°F) and highs reaching 21°C (69°F). Precipitation is also more pronounced in September, totaling 246 mm (9.7 in) over 18 days, whereas July experiences less rainfall at 135 mm (5.3 in) across 17 days. Humidity levels are slightly higher in September at 90%, compared to July's 86%. For more detailed insights on July weather, visit Stavanger weather in July.
In comparing the weather of September and August, September tends to be cooler and wetter. The average temperature in September hovers around 13°C (56°F), with a maximum of 21°C (69°F), while August presents a slightly warmer average of 15°C (60°F) peaking at 24°C (76°F). Additionally, September experiences more precipitation, totaling 246 mm (9.7 in) over 18 rainy days compared to August's 196 mm (7.7 in) over 19 days. Humidity levels are also higher in September, averaging 90% compared to August's 87%. For more detailed insights, you can check Stavanger weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (69°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 246 mm (9.7 inches) over 18 days and maintaining a high humidity level of 90%.
By contrast, October brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 17°C (63°F), averaging around 10°C (50°F). Precipitation increases to 315 mm (12.4 inches) and stretches across 23 days, while humidity edges slightly higher at 92%. The weather in October can be quite dynamic, illustrating the transition deeper into autumn. For more detailed information, check out Stavanger weather in October.
September and November present distinct shifts in weather characteristics. In September, temperatures range from a mild 6°C (43°F) to a comfortable maximum of 21°C (69°F), with an average of 13°C (56°F). The month is quite wet, experiencing 246 mm (9.7 in) of precipitation over 18 days, coupled with high humidity levels of 90%.
In contrast, November ushers in colder conditions, with temperatures dipping to a minimum of -2°C (29°F) and an average of 7°C (45°F), peaking at 14°C (57°F). While precipitation levels decrease slightly to 224 mm (8.8 in) over 19 days, the humidity remains high at 93%. For more details on the weather in this transitional month, check out Stavanger weather in November.
In September, Stavanger experiences milder temperatures, with a minimum of 6°C (43°F) and an average of 13°C (56°F), peaking at a maximum of 21°C (69°F). This month also sees significant rainfall, with 246 mm (9.7 in) of precipitation over 18 days, all while maintaining a high humidity level of 90%. In contrast, December brings colder weather, as temperatures drop to a minimum of -4°C (25°F) and an average of just 5°C (41°F), reaching a maximum of 10°C (51°F). Although December experiences slightly less precipitation at 208 mm (8.2 in) over 21 days, the humidity remains consistently high at 90%. For more details, check out Stavanger weather in December.
As September unfolds in Stavanger, the weather marks a notable transition from the warm summer months to the crispness of autumn. With average temperatures settling around a cool 13°C (56°F), the city experiences a blend of mild days and brisk evenings. This month is characterized by increased precipitation, with rain gracing 18 days, contributing to a humid atmosphere that hovers around 90%. Compared to the sunnier and warmer summer months, September greets visitors with a refreshing chill and a vibrant landscape, making it an ideal time to explore the stunning natural beauty of the region. For a deeper dive into what each month brings, be sure to check out Stavanger Climate.