Last updated: August 27, 2025
September in Andenes, Norway offers a mix of crisp air and coastal charm, with average temperatures hovering around 10°C (50°F). Daytime highs can reach a pleasant 17°C (62°F), while nights dip to a cool 3°C (38°F), inviting cozy evenings. Though the scenery is breathtaking, prepare for a bit of rain, with 120 mm (4.7 in) of precipitation spread over 18 days—perfect for nurturing the lush landscapes. The month also brings high humidity levels at 88%, enhancing the fresh, invigorating feel of this picturesque northern destination. Whether enjoying outdoor activities or witnessing the stunning autumnal transitions, September in Andenes is a delightful experience for nature enthusiasts.
In Andenes, Norway, September marks a gentle transition into autumn, bringing milder temperatures that invite exploration. With minimums around 3°C (38°F) and averages hovering at 10°C (50°F), it's a comfortable time to enjoy the breathtaking landscapes. The maximum temperatures reach a pleasant 17°C (62°F), reminiscent of summer's warmth but with a crispness in the air that hints at the approaching winter. Compared to the previous months, there's a noticeable drop from the highs of August, yet the early September days often linger with residual warmth, perfect for outdoor activities before the chill settles in. Overall, September in Andenes offers a delightful balance of warmth and coolness, making it an ideal time for visitors to experience the picturesque Norwegian scenery.
In September, Andenes, Norway experiences a notable increase in precipitation, recording 120 mm (4.7 in) over approximately 18 days of rain. This uptick marks a shift from the summer months, where rainfall was relatively lighter, with July and August seeing 68 mm (2.7 in) and 93 mm (3.7 in) respectively. As autumn approaches, the trend reveals a consistent rise in both the volume and frequency of precipitation, setting the stage for a wetter season ahead. The transition is evident as September’s rainfall is significantly higher than May’s low of 64 mm (2.5 in), emphasizing the changing climate and the natural rhythm of Andenes’ weather patterns. With a robust blend of cool air and increased moisture, this month characterizes the onset of autumn's embrace in this picturesque region.
In September, humidity levels in Andenes, Norway, rise to 88%, marking a notable increase from the earlier summer months. This uptick** mirrors the higher humidity recorded in both January and October, suggesting a seasonal trend where the air retains moisture as autumn approaches. Throughout the year, humidity levels fluctuate, peaking in the depths of winter at 89% in January, then gradually declining to a low of 77% in May. Following this low, a gradual rise is observed as summer ends, culminating in September's damp atmosphere which sets the stage for the chillier months ahead. This cyclical pattern reflects the region's maritime climate, characterized by persistent moisture that influences both the landscape and the local lifestyle.
As summer fades into fall, September in Andenes, Norway, presents a noticeable dip in UV Index levels, dropping to a moderate 2. This reduction indicates a return to a low exposure category, allowing residents and visitors a more relaxed approach to sun safety, with a burn time of 45 minutes. This trend follows a season of heightened UV exposure during the summer months, where peaks reached 5 in both June and July, requiring vigilance against potential sunburn. As autumn approaches, a gradual decline in UV intensity signals a shift in outdoor activities and the need for sun protection. For more insights on the UV Index throughout the year, visit Andenes UV Index.
UV Risk Categories
September shines brightly in Andenes, Norway, with 295 hours of delightful sunlight, marking a significant continuation of the summer’s glow before the days start to shorten. As the months unfold, there's a clear upward trajectory in daylight hours, reaching a peak in July with 472 hours. However, as autumn sets in, a gradual decline becomes evident, yet September still retains ample sunshine, offering a warm embrace as the seasons change. This transition is a gentle reminder of nature's rhythm; the vibrant summer fades, but the lingering sunlight in September invites locals and visitors alike to savor the last moments of outdoor warmth before the winter's grasp takes hold.
In Andenes, Norway, September showcases a 25% chance of sunny weather, placing it in the middle tier of the annual sun probability spectrum. As summer winds down, the likelihood of clear skies decreases from the warmer months of June (27%) and July (18%), while similar to the preceding months of April and May, which each hold a 30% chance. This trend indicates a slight dip in sunshine as the year transitions into autumn, but with one-third of the year still enjoying sunnier spells in January and December, hopeful sun-seekers can still look forward to occasional bright days amidst the changing season.
As summer fades in Andenes, Norway, September ushers in a notable shift in daylight duration, bringing about 13 hours of light to the Arctic landscape. Following the sun-drenched days of June and July, where the sun barely dipped below the horizon, September marks a gradual decline in daylight, signaling the transition into autumn. This month stands as a midpoint between the lush brightness of summer—where daylight extends up to 24 hours—and the deepening shadows of winter, as October will soon deliver only 8 hours of light. With daylight diminishing by an hour from August's 17 hours, September encourages residents and visitors alike to savor the increasingly short days while enjoying the vivid colors of early fall in this picturesque part of Norway.
In September, Andenes, Norway, experiences a gentle breeze with an average wind speed of 5.3 m/s (12 mph), marking a transition into the cooler autumn months. This slight dip in wind speed follows a trend of lower speeds in the summer, where July and August recorded their calmest days at 6.5 m/s and 5.1 m/s, respectively. As the seasons shift, September's winds hint at the impending chill of winter, yet they remain milder than the gusts of late autumn, which see a notable increase back to 6.6 m/s in November. These variations illustrate the dynamic nature of Andenes' weather, where each month brings its own unique blend of coastal breezes.
Weather in Andenes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Andenes, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is relatively mild, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), accompanied by significant rainfall of 120 mm over 18 days. The humidity is high at 88%, giving the month a damp feel. In contrast, January brings much colder conditions, featuring an average temperature that hovers around 1°C (33°F) with lows reaching -9°C (17°F) and highs going up to 8°C (46°F). Although January has slightly less precipitation at 106 mm over 15 days, the humidity remains comparable at 89%, contributing to a brisk and chilly atmosphere. For more detailed insights on January weather, visit Andenes weather in January.
September and February present contrasting weather experiences. In September, temperatures range from a mild minimum of 3°C (38°F) to a comfortable maximum of 17°C (62°F), with an average of 10°C (50°F). The month sees significant rainfall, with 120 mm (4.7 in) spreading across 18 rainy days, accompanied by high humidity levels of 88%.
In contrast, February is considerably colder, with temperatures dipping to a minimum of -8°C (18°F) and an overall average of 0°C (32°F). The maximum temperature reaches only 7°C (45°F). Precipitation is somewhat lower at 99 mm (3.9 in) over 16 days, while humidity remains consistent at 88%.
For a closer look at February weather, you can visit Andenes weather in February.
September and March present contrasting weather conditions. In September, the temperatures are milder, ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), with an average of 10°C (50°F). The month experiences significant precipitation, totaling 120 mm (4.7 in) over 18 days, coupled with high humidity at 88%. In contrast, March sees much colder temperatures, with a minimum of -7°C (20°F) and a maximum of only 7°C (45°F), averaging just 1°C (34°F). Though March has slightly higher precipitation at 133 mm (5.2 in) spread over 21 days, the humidity remains relatively lower at 85%. For a more detailed look at March weather, you can visit Andenes weather in March.
In September, the weather typically features milder temperatures, with an average of 10°C (50°F), peaking at 17°C (62°F) compared to the cooler April, where the average temperature is only 3°C (37°F) and can drop to a minimum of -3°C (27°F). Both months see a similar number of rainy days at 18, but September experiences significantly higher precipitation, totaling 120 mm (4.7 in) compared to April's 94 mm (3.7 in). Humidity levels are also slightly higher in September at 88%, while April maintains a more comfortable 83%. For a closer look at April’s specific weather patterns, you can visit Andenes weather in April.
In September, temperatures typically range from a low of 3°C (38°F) to a high of 17°C (62°F), with an average of 10°C (50°F). This month experiences significant precipitation, with about 120 mm (4.7 in) falling over 18 days, resulting in a relatively high humidity of 88%. In contrast, May offers milder conditions, featuring temperatures that range from a minimum of 0°C (32°F) to a maximum of 15°C (59°F), averaging around 5°C (42°F). The precipitation in May is considerably lower at 64 mm (2.5 in) over 13 days, along with a more comfortable humidity level of 77%. Therefore, while September is wetter and warmer, May provides a cooler and drier experience. For more details on May weather, visit Andenes weather in May.
In comparing the weather of September and June, it is evident that September tends to be slightly warmer, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), while June has a slightly cooler range, with minimum temperatures at 2°C (36°F) and maximums reaching 16°C (62°F). September also experiences more precipitation, averaging 120 mm (4.7 in) over 18 days compared to June's 72 mm (2.9 in) across 15 days. Additionally, humidity is higher in September at 88%, compared to June's 82%. For those interested in a more detailed overview, check out Andenes weather in June.
When comparing the weather in September and July, notable differences emerge. September typically experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 17°C (62°F), while July is milder, ranging from a minimum of 7°C (44°F) to a maximum of 22°C (71°F). Precipitation is more frequent in September, with rain occurring on 18 days and totaling 120 mm (4.7 in), compared to July's 11 rainy days and 68 mm (2.7 in). Additionally, September has a higher humidity level at 88%, while July has a slightly lower humidity of 83%. For a more detailed look at July weather, you can visit Andenes weather in July.
September's weather is notably cooler and wetter than August's. With average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), September experiences a significant drop compared to August, which sees a higher average of 12°C (54°F) and peaks at 22°C (72°F). Additionally, September's precipitation totals around 120 mm (4.7 in) over 18 days, compared to August's 93 mm (3.7 in) across 17 days. The humidity also rises slightly in September to 88%, compared to 84% in August, contributing to a more damp and chilly feel. For a detailed overview of August weather, you can refer to Andenes weather in August.
As September transitions into October, the temperatures show a notable decline. September typically sees a minimum of 3°C (38°F) and an average of 10°C (50°F), while October's temperatures drop slightly to a minimum of 1°C (33°F), with an average of only 6°C (44°F). Both months experience similar maximum temperatures at around 16-17°C (62°F), but October marks a more pronounced chill in the air. Precipitation remains fairly consistent, with September recording 120 mm (4.7 in) over 18 days and October slightly less at 112 mm (4.4 in) over 17 days. Humidity stays steady at 88% for both months, contributing to a damp and cool atmosphere that characterizes this time of year. For a more detailed look at conditions, you can check Andenes weather in October.
September and November exhibit notable differences in weather patterns. In September, the temperatures range from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), with an average of 10°C (50°F). This month also experiences high humidity at 88% and approximately 120 mm (4.7 in) of precipitation over about 18 days. In contrast, November sees a drop in temperatures, with minimums plunging to -4°C (25°F) and a colder average of 4°C (40°F), reaching a maximum of only 10°C (51°F). There is slightly more precipitation at 128 mm (5.0 in) over 21 days, while humidity remains similar at 87%. For more detailed information, check out Andenes weather in November.
September and December present distinctly different weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a comfortable 17°C (62°F) during the day, with an average of 10°C (50°F). This month experiences a higher level of humidity at 88% and sees about 120 mm (4.7 in) of precipitation over 18 days. In contrast, December is significantly colder, with temperatures dropping to a minimum of -6°C (22°F) and peaking at just 8°C (47°F), averaging around 2°C (36°F). Despite slightly lower precipitation of 108 mm (4.3 in), it still rains on 17 days, and humidity remains comparably high at 87%. For a more detailed look at December weather, you can visit Andenes weather in December.
As September unfolds in Andenes, the weather transitions from the warmth of summer to the crispness of autumn, bringing a unique blend of cooler temperatures and increased rainfall. With an average temperature lingering around 10°C (50°F), the month showcases a refreshing chill that sets it apart from the balmy days of July and August. The substantial 120 mm (4.7 in) of precipitation over half the month suggests a shift toward a wetter climate, as 18 days of rain intermingle with lingering sunny spells. This creates a misty atmosphere where humidity levels soar to 88%, painting a vivid picture of the changing seasons. For a deeper understanding of what to expect throughout the year, explore our detailed insights at Andenes Climate.