Last updated: March 17, 2025
September in Akureyri, Iceland offers a striking shift in weather as the summer wanes. During this month, temperatures peak at a maximum of 19°C (67°F), yet the average temperature settles around a brisk 6°C (43°F), dipping to a minimum of -5°C (22°F) on chilly nights. Visitors can expect frequent precipitation, with 160 mm (6.3 in) of rain spread over 21 days, contributing to the area's lush landscapes. The air remains notably humid, with humidity levels reaching 96%, enhancing the crisp atmosphere that characterizes early autumn in this beautiful northern town.
In September, Akureyri, Iceland, experiences a notable shift as summer fades into fall. With temperatures ranging from a minimum of -5°C (22°F) to a comfortable maximum of 19°C (67°F), the average temperature settles at 6°C (43°F). This month marks a transition, showcasing a gradual decline from the warmth of late summer, where highs previously reached around 22°C (72°F). The crisp air and cool nights herald the arrival of autumn, making September an ideal time for those who enjoy the beauty of changing seasons, while still offering some mild days perfect for outdoor adventures. As the first hints of winter approach, it’s a beautiful blend of cool, invigorating breezes and stunning landscapes painted in vibrant fall colors.
September marks a notable shift in Akureyri's climate, as the city experiences its highest precipitation levels of the year, receiving 160 mm (6.3 in) of rain over 21 days. This surge of rainfall paves the way for a transition into the wetter autumn months, with October following closely behind at 163 mm (6.4 in). In contrast to the drier spring and summer months—which see significantly lower volumes of precipitation—September's consistent rain reflects the onset of Iceland's more tumultuous weather patterns. This month stands out not only for its increased precipitation but also for the number of wet days, setting the stage for the colder months ahead. As the season shifts, the increased moisture contributes to both the lush landscape and the dynamic atmosphere that characterizes the region during this time.
In September, Akureyri experiences a notable return to high humidity, recording a whopping 96%. This figure mirrors the humidity levels of the preceding months, particularly the end of summer, when conditions remained consistently damp at 95% in both July and August. As the seasons shift from summer to autumn, September maintains the trend of high humidity seen throughout the year, peaking at 96% just like January, February, October, and beyond. Such consistent moisture is a defining characteristic of Akureyri's climate, making this quaint town a truly unique destination as it prepares for the cooler months ahead.
As September arrives in Akureyri, the UV Index reflects a gradual decrease from the summer highs, settling at a moderate level of 3. This means that while exposure is still a consideration, the risk of harm from unprotected sun exposure is lower than in the peak months of June and July, where the index reached 6. With a burn time of 30 minutes, it's advised to remain cautious during midday hours. Overall, the transition from summer to autumn marks a shift in sun intensity, providing a comfortable environment for outdoor activities without the heightened sun safety concerns. For more detailed insights on UV levels throughout the year, visit the Akureyri UV Index.
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As the days turn shorter in September, Akureyri basks in a final burst of summer sunlight, boasting a respectable 160 hours of sunshine. This vibrant month serves as a transition from the long, sun-drenched days of summer, which peaked in July with nearly 300 hours of light, to the rapidly dwindling hours of fall and winter. Coinciding with a gradual decline from August's generous 245 hours, September still offers a rich palette of warmth and brightness before the harsh reality of winter sets in. The shifting sunlight underscores the beauty of Iceland's dynamic seasons, inviting both locals and visitors to relish the diminishing warmth before the days grow short and dark.
In September, Akureyri, Iceland, experiences a 15% chance of sunny weather, marking a slight dip from the balmy summer months but still offering a glimmer of hope for sunny days. As the warm hues of late summer give way to the crispness of autumn, it’s clear that the likelihood of sunshine in September contrasts with the peak of summer, where July boasts a 31% chance of sun. This transitional period sees an increasing chance of overcast skies, typical as the region heads into fall. However, September's sun still shines brighter than the winter months, where chances plummet to single digits. While the sun may not always grace Akureyri in September, the charm of the changing seasons makes every sunny moment all the more precious.
As September unfolds in Akureyri, Iceland, the transition from the long, sun-drenched summer days towards the fleeting daylight of winter begins to take shape. With 12 hours of daylight, September marks a gentle shift from the vibrant 19 hours in May and 22 hours in June, gradually leading to the 9 hours of October. This month encapsulates a bittersweet balance, as the lush memories of summer still linger while the sun’s retreat brings a cozy embrace, reminding residents that the enchanting, albeit darker months, are on the horizon. The gradual decrease in daylight serves as a natural prelude to the long nights of winter, allowing one last opportunity to savor the extended twilight of late summer before the stark contrast of the season's full arrival.
As September arrives in Akureyri, Iceland, a gentle shift in the breeze is felt, with average wind speeds reaching 2.1 m/s (5 mph). This slight increase from the summer months reflects a gradual transition, as the winds pick up after the calmer August, which saw an average of just 1.6 m/s (4 mph). Throughout the year, the wind patterns reveal a fascinating ebb and flow; the cold winter months generally feature lower speeds, peaking slightly again in late fall with speeds often at 2.1 m/s in both November and September. This seasonal rhythm not only enhances the crisp autumn air but also paints a vivid picture of Iceland's ever-changing climate, inviting adventurers to embrace the invigorating gusts that dance across the northern landscapes.
The weather in Akureyri changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Akureyri and find detailed weather information for every month.
September weather in Akureyri features a milder temperature range, with minimums around -5°C (22°F) and maximums reaching up to 19°C (67°F), while the average temperature hovers at 6°C (43°F). This month experiences considerable precipitation, totaling 160 mm (6.3 in) over approximately 21 days, all amidst high humidity levels of 96%. In contrast, January brings significantly colder conditions, with temperatures dipping as low as -20°C (-3°F) and averaging -4°C (26°F), peaking at 9°C (48°F). Precipitation decreases to 105 mm (4.1 in) across 17 days, yet humidity remains constant at 96%. For a detailed look at January's atmosphere, visit Akureyri weather in January.
When comparing the weather in September and February, September tends to be milder, with average temperatures reaching 6°C (43°F) compared to February's colder average of -4°C (26°F). In September, the temperature fluctuates from a minimum of -5°C (22°F) to a maximum of 19°C (67°F), while February sees a wider drop, with temperatures ranging from -16°C (4°F) to a maximum of 8°C (46°F). Although September receives more precipitation at 160 mm (6.3 in) over 21 days, February still has significant rainfall, totaling 118 mm (4.7 in) across 18 days. Both months share a high humidity of 96%, but the chill of February is distinctly palpable. For more detailed information, you can check Akureyri weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a chilly -5°C (22°F) up to a mild 19°C (67°F), with an average of 6°C (43°F). Despite the warmer upper range, September experiences significant precipitation, totaling 160 mm (6.3 in) over 21 days, accompanied by high humidity at 96%. In contrast, March is colder overall, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of only 6°C (44°F), averaging -3°C (27°F). Precipitation in March is less, at 106 mm (4.2 in) across 18 days, with humidity slightly lower at 95%. For more specific details, you can check the Akureyri weather in March.
In comparing the weather of September and April, it’s clear that both months present unique challenges and features. September generally enjoys milder temperatures, with an average of 6°C (43°F) and a maximum of 19°C (67°F), whereas April has colder averages, peaking at only 9°C (49°F) and often diving as low as -13°C (9°F). Additionally, September experiences more precipitation, with about 160 mm (6.3 in) over 21 days, compared to April’s 67 mm (2.7 in) across 14 days. Humidity levels are higher in September at 96%, though April still maintains a significant 90%. For more details on the specific climate conditions in April, visit Akureyri weather in April.
When comparing the weather in September and May, September generally presents milder temperatures, with averages around 6°C (43°F) and a maximum of 19°C (67°F), while May sees a slightly cooler average of 3°C (37°F) and a maximum of 17°C (63°F). Precipitation levels in September are significantly higher, totaling 160 mm (6.3 in) over 21 days, compared to May’s 64 mm (2.5 in) over 14 days. Additionally, the humidity in September is notably higher at 96%, as opposed to May’s 88%. For more details on the weather in May, you can visit Akureyri weather in May.
When comparing the weather in September and June, it’s evident that both months showcase cool temperatures, but with notable differences. September experiences a wider temperature range, with a minimum of -5°C (22°F) and a maximum of 19°C (67°F), averaging 6°C (43°F). In contrast, June is slightly milder, featuring temperatures from -3°C (27°F) to a maximum of 21°C (70°F), averaging 8°C (46°F). Rainfall also differs, with September receiving significant precipitation of 160 mm (6.3 in) over 21 days, while June has a more moderate 89 mm (3.5 in) spread over 18 days. Additionally, September's high humidity at 96% surpasses June's 89%, contributing to a more overcast and damp atmosphere. For more details about the weather during June, you can check Akureyri weather in June.
September and July exhibit distinct differences in weather patterns. In July, temperatures range from a minimum of 1°C (34°F) to a maximum of 22°C (72°F), with an average of 10°C (51°F) and lighter precipitation totaling 98 mm (3.8 in) over 16 days. In contrast, September experiences much cooler temperatures, with minimums dropping to -5°C (22°F) and a maximum of 19°C (67°F), averaging around 6°C (43°F). This month also sees increased precipitation at 160 mm (6.3 in) over 21 days, coupled with high humidity of 96%. For a more detailed look at July's conditions, you can visit Akureyri weather in July.
September's weather shows a distinct transition into cooler temperatures compared to August. With minimum temperatures dropping to -5°C (22°F) and an average of 6°C (43°F), it feels notably chillier than August, where temperatures range from 0°C (32°F) to an average of 9°C (49°F). Additionally, September experiences more precipitation, totaling 160 mm (6.3 in) over 21 days, compared to August's 99 mm (3.9 in) over 17 days. The humidity remains high in both months, with September at 96% and August at 95%, contributing to a damp feeling in the air. For more detailed information on August weather, you can check Akureyri weather in August.
September and October show distinct shifts in weather patterns. In September, temperatures range from a minimum of -5°C (22°F) to a comfortable maximum of 19°C (67°F), with an average of 6°C (43°F). The month experiences significant precipitation, with a total of 160 mm (6.3 in) over 21 days and a high humidity level of 96%. In contrast, October sees a drop in temperatures, with minimums plummeting to -17°C (2°F) and an average temperature of just 1°C (34°F), peaking at 11°C (52°F). Precipitation slightly increases to 163 mm (6.4 in), also over 21 days, while humidity remains consistently high at 96%. For more detailed information, you can check Akureyri weather in October.
In September, the weather in Akureyri is generally milder, with average temperatures ranging from a minimum of -5°C (22°F) to a maximum of 19°C (67°F). The month experiences significant rainfall, totaling around 160 mm (6.3 in) over 21 days, accompanied by high humidity of 96%. In contrast, November sees a notable drop in temperatures, with averages ranging from -16°C (4°F) to a maximum of 9°C (49°F). Although November has less precipitation at 115 mm (4.5 in) over 17 days, the humidity remains high at 96%. For more detailed information, you can check Akureyri weather in November.
In September, Akureyri experiences milder temperatures with a minimum of -5°C (22°F) and an average of 6°C (43°F), peaking at a maximum of 19°C (67°F). The month sees significant rainfall, with 160 mm (6.3 in) of precipitation over 21 days, and humidity remains high at 96%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -19°C (-2°F) and an average of -3°C (26°F), while the maximum only reaches 8°C (46°F). Precipitation slightly increases to 168 mm (6.6 in), remaining consistent over 21 days, with humidity still hovering around 96%. For more details on what to expect during this wintry month, check out Akureyri weather in December.
As September arrives in Akureyri, the weather begins to shift dramatically, marking the transition from summer warmth to the chill of autumn. Temperatures drop significantly, creating a refreshing atmosphere, but the onset of frequent rainfall—with over two-thirds of the month experiencing precipitation—adds a layer of intensity to the landscape. With high humidity levels, the air can feel quite crisp, making this month a unique blend of lingering summer breezes and the early signs of winter’s approach. For those looking to understand how the weather evolves throughout the year, the changes in September are particularly striking. To explore more about Akureyri's weather patterns, visit Akureyri Climate.