Last updated: August 27, 2025
In Åndalsnes, Norway, September showcases a transitional climate with maximum temperatures reaching up to 18°C (65°F) and an average around 8°C (47°F), while the mercury can dip to a chilly -1°C (31°F) at night. The month is characterized by frequent precipitation, totaling 176 mm (6.9 in) over approximately 20 days, which contributes to the region's lush landscapes. With an humidity level of 89%, the air can feel quite brisk, inviting both locals and visitors to embrace the beauty of nature amidst the seasonal changes. This blend of cool temperatures and moisture creates an enchanting atmosphere, ideal for autumn explorations.
As September rolls into Åndalsnes, Norway, the landscape begins to shift, ushering in a cooler yet pleasant climate. With temperatures ranging from a chilly -1°C (31°F) at night to a comfortable 18°C (65°F) during the day, this month marks a gentle transition from the warmth of summer. The average temperature settles around 8°C (47°F), offering crisp air that invigorates and refreshes. Unlike the preceding months of July and August, where highs soared to 29°C (84°F), September invites locals and visitors alike to embrace the beauty of a serene autumn backdrop. As the days grow shorter and leaves begin to change, the cooler temperatures create the perfect setting for outdoor adventures amidst stunning natural vistas.
In September, Andalsnes experiences a significant uptick in rainfall, recording 176 mm (6.9 in) of precipitation over 20 days. This month continues the upward trend seen since August, where total rainfall peaked at 184 mm (7.2 in). As summer transitions into autumn, the frequency of rainy days also increases, matching August's total of 20 days. However, September's totals signify that the region is preparing for even wetter months ahead, with October historically being the wettest, typically bringing in 213 mm (8.4 in). This pattern highlights the region's shift towards the more temperate and moisture-rich climate of fall, setting the stage for the dramatic landscapes that define Andalsnes during this time of year.
In September, humidity levels in Åndalsnes, Norway, reach around 89%, marking a subtle rise from the drier summer months. This increase follows a trend seen from August, where humidity peaked at 87%, and sets the stage for the autumn months ahead. Overall, as the year progresses, Åndalsnes experiences a gradual elevation in humidity from the more arid spring months, with values climbing steadily from April's 84% to a notable 94% by December. The transition into fall is characterized by this uptick, as the crisp air merges with lingering moisture, creating a distinctive atmosphere that is both refreshing and evocative of the changing seasons.
As September arrives in Andalsnes, Norway, the UV Index reflects a transition from the summer sun, recording a moderate UV Index of 4. This marks a gentle decline from the high levels experienced during the peak months of June and July, when the UV Index soared to 7, necessitating a burn time of just 25 minutes. The September sun calls for cautious exposure, with a recommended burn time of 30 minutes, indicating that while the intensity is less than in mid-summer, residents and visitors should still take care to protect their skin. This pattern illustrates the shifting seasons, moving from the higher exposure risk of summer to a more moderate landscape as autumn approaches. For more details on UV levels throughout the year, visit Andalsnes UV Index.
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As autumn approaches in Andalsnes, Norway, September brings a beautiful glow with an impressive 254 hours of sunshine. This marks a gentle transition from the sun-drenched summer months, where July shines the brightest with 440 hours, to the cooler days of October, which only boasts 184 hours. The trend reveals a steady increase in sunshine hours from January’s mere 60 hours all the way to May’s peak of 408 hours, before gradually tapering off in the fall. September's ample sunshine offers locals and visitors alike a last taste of summer, before the shorter days and longer nights settle in.
In Åndalsnes, Norway, September marks a notable shift in weather patterns, with the likelihood of sunny days declining to just 15%. This trend continues a steady pattern observed throughout the summer months, where clearer skies held some promise—July, for instance, boasted a 33% chance of sunshine. However, as autumn approaches, the sun starts to retreat, leading to a significant drop in brightness. Comparatively, September offers less opportunity for sun than its neighboring months, reflecting the onset of cooler temperatures and increased cloud cover. As the season transitions, the breathtaking landscapes of Åndalsnes take on a different charm, illuminated by the softer hues of autumn rather than the bright rays of summer sunshine.
In September, Andalsnes, Norway, experiences a gentle transition as daylight begins to wane, offering around 12 hours of light. This change marks a gradual shift from the long, bright days of summer, where June dazzles with nearly 19 hours of sunshine, to the shorter evenings that arrive in autumn. Following September, daylight further declines, dropping to 9 hours in October, and eventually settling into the depths of winter by November, when it falls to just 6 hours. This rhythmic ebb and flow of daylight highlights the region’s dramatic seasonal contrasts, inviting both locals and visitors to embrace the beauty of changing times.
As September unfolds in Åndalsnes, Norway, the average wind speed gently rises to 1.7 m/s (4 mph), marking a subtle transition as summer gives way to autumn. This slight increase reflects a broader trend where the winds tend to pick up after the calm of the warmer months; June and July, for example, sit at a serene 1.4 m/s (3 mph) and 1.6 m/s (4 mph) respectively. Interestingly, September’s winds are noticeably stronger than the previous months and set the stage for October's further increase, peaking at 2.1 m/s (5 mph). This seasonal shift not only invigorates the air but also invites hikers and adventurers to experience the breathtaking landscapes of Åndalsnes, all while enjoying the crispness heralded by the approaching fall.
Weather in Andalsnes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Andalsnes, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a chilly -1°C (31°F) at night to a mild 18°C (65°F) during the day, with an average temperature of 8°C (47°F). This month experiences substantial rainfall, totaling 176 mm (6.9 in) over about 20 days, alongside high humidity at 89%. In contrast, January sees much colder conditions with nighttime lows plunging to -21°C (-6°F) and daytime highs only reaching up to 8°C (46°F), averaging around -3°C (26°F). Although precipitation is slightly lower in January at 158 mm (6.2 in) over 16 days, the humidity remains high at 93%, contributing to a frigid atmosphere. For more details on January weather specifically, you can check Andalsnes weather in January.
September and February present contrasting weather conditions that highlight the shift from the end of summer to the heart of winter. In September, temperatures range from a chilly minimum of -1°C (31°F) to a much warmer maximum of 18°C (65°F), with an average of 8°C (47°F). The month also sees significant rainfall, totaling 176 mm (6.9 in) over approximately 20 days, contributing to a humidity level of 89%.
In stark contrast, February is characterized by much colder temperatures, with a minimum of -23°C (-10°F) and a maximum of 8°C (47°F), resulting in an average of -3°C (26°F). Precipitation decreases to 115 mm (4.5 in) over 15 days, yet the humidity remains relatively high at 92%. For more detailed information on February's weather, you can check out Andalsnes weather in February.
When comparing the weather in September and March, a distinct shift in temperatures and precipitation patterns becomes evident. September boasts a mild average temperature of 8°C (47°F), with highs reaching up to 18°C (65°F), while March experiences colder conditions, averaging -2°C (29°F) with maximum temperatures only reaching 9°C (48°F). Although September sees greater precipitation at 176 mm (6.9 in) over 20 days, March still maintains a significant amount with 153 mm (6.0 in) over 19 days. Both months share a similar humidity level of 89%, contributing to a damp atmosphere. For more detailed insights, you can check Andalsnes weather in March.
In comparing the weather between September and April, September tends to be milder, with average temperatures ranging from a low of -1°C (31°F) to a high of 18°C (65°F). In contrast, April is cooler, featuring temperatures that fluctuate between -15°C (5°F) at their lowest and a maximum of 14°C (58°F). Both months experience significant rainfall, with September receiving 176 mm (6.9 in) over approximately 20 days, while April has a slightly lower precipitation of 149 mm (5.9 in) across 16 days. Additionally, September's humidity is higher at 89% compared to April's 84%, indicating a slightly damp environment as summer transitions into fall. For more detailed information about April weather, you can visit Andalsnes weather in April.
In September, the weather presents a mild temperature range, with minimums dipping to 1°C (31°F) and maximums reaching up to 18°C (65°F), while the average temperature settles around 8°C (47°F). This month experiences significant precipitation, averaging 176 mm (6.9 in) spread over 20 days, contributing to a relatively high humidity of 89%. In contrast, May showcases a broader temperature spectrum, with minimums as low as -8°C (18°F) and maximums climbing to 24°C (75°F), yielding an average of 5°C (41°F). The precipitation is notably lower at 103 mm (4.0 in) across 17 days, and humidity, while still high, is slightly less at 81%. For a closer look at what to expect, check out Andalsnes weather in May.
September weather in Andalsnes is characterized by cooler temperatures and higher precipitation than June. The average temperature in September hovers around 8°C (47°F), with a maximum of 18°C (65°F), while in June, temperatures are warmer, averaging 11°C (52°F) and reaching up to 26°C (79°F). Additionally, September experiences a significant amount of rainfall, with 176 mm (6.9 in) spread over 20 days, compared to June’s 131 mm (5.2 in) over 17 days. Humidity levels are also higher in September at 89%, while June maintains a slightly lower humidity of 81%. For a more detailed look at June's weather, you can visit Andalsnes weather in June.
When comparing the weather between September and July, distinct differences emerge. September experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 8°C (47°F), while July boasts warmer conditions, averaging 12°C (55°F) and peaking at 29°C (84°F). Additionally, September is characterized by higher precipitation, totaling 176 mm (6.9 in) over 20 days, compared to July's 155 mm (6.1 in) across 17 days. Humidity levels also differ, with September at 89% and July at a slightly lower 81%. For a more detailed look at July weather, you can visit Andalsnes weather in July.
In comparing the weather of September to that of August, we see a notable drop in temperatures. September's average temperature is a cooler 8°C (47°F), significantly lower than August's 11°C (53°F), with maximums also reduced, from 24°C (75°F) in August to just 18°C (65°F) in September. Both months experience similar precipitation levels, with September receiving 176 mm (6.9 in) and August slightly higher at 184 mm (7.2 in), both spread across 20 days. Additionally, September shows a slight increase in humidity at 89%, compared to August's 87%. For more details on August's weather, visit Andalsnes weather in August.
In September, temperatures in the region typically range from a minimum of -1°C (31°F) to a maximum of 18°C (65°F), with an average of 8°C (47°F). The month sees considerable precipitation, amounting to 176 mm (6.9 in) over 20 days, with high humidity at 89%. In contrast, October experiences colder temperatures, with a minimum of -12°C (10°F) and an average of 3°C (38°F), while still reaching a maximum of 18°C (65°F). Rainfall increases as well, totaling 213 mm (8.4 in) over 21 days, accompanied by a slight rise in humidity to 91%. For a more detailed look at the conditions in this month, you can check Andalsnes weather in October.
In September, the weather begins to transition into autumn, with temperatures ranging from a chilly low of -1°C (31°F) to a pleasant high of 18°C (65°F), coupled with significant rainfall of 176 mm (6.9 in) over about 20 days and a humidity level of 89%. However, by November, the climate shifts dramatically. The temperatures drop significantly, with lows reaching -18°C (-1°F) and an average of -1°C (30°F), and highs only reaching 9°C (49°F). November has less precipitation at 141 mm (5.5 in) over 14 days, but the humidity remains high at 92%. For a closer look at what to expect, visit Andalsnes weather in November.
In September, the weather is relatively mild, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 18°C (65°F) and an average of 8°C (47°F). The month experiences considerable rainfall, accumulating 176 mm (6.9 in) over approximately 20 days, while humidity sits at a high 89%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -20°C (-4°F) and averaging around -3°C (27°F), peaking at just 7°C (44°F). Precipitation levels are slightly lower at 164 mm (6.5 in) over 17 days, and humidity rises to 94%. For more detailed information, you can check Andalsnes weather in December.
As September arrives in Andalsnes, the weather begins to shift dramatically from the warmer summer months. A noticeable drop in temperatures sets in, with cool breezes fostering a crisp atmosphere that hints at the approaching fall. This month also bears the brunt of increased precipitation, as the region experiences a significant number of rainy days, contributing to a rather humid environment. Despite the chill, September's charm lies in its vibrant autumn foliage, offering stunning landscapes for adventurers and photographers alike. For a more in-depth look at how September compares to other months, check out the full details on the Andalsnes Climate page.