Last updated: August 27, 2025
September in Sandnessjøen, Norway, presents a captivating tapestry of weather patterns. With maximum temperatures reaching a pleasant 19°C (66°F) and an average of 10°C (50°F), the month marks a transition into the cooler seasons. However, temperatures can drop to a brisk 2°C (35°F) at night. Rainfall is notable, with a generous 220 mm (8.7 in) accumulated over approximately 19 days, creating a lush and vibrant landscape. The air is often imbued with a high humidity level of 91%, adding a misty charm to the scenery. Prepare for a blend of refreshing coolness and occasional showers, making September a unique and atmospheric time to experience Sandnessjøen.
September in Sandnessjoen, Norway marks a delightful transition into the autumn season, characterized by cooler temperatures that invite a fresh invigorating atmosphere. As summer’s warmth begins to wane, the thermometer dips to a minimum of 2°C (35°F) and reaches an average of 10°C (50°F). The month showcases a comfortable maximum of 19°C (66°F), making it a pleasant time for outdoor activities amidst the stunning fall foliage. The gradual decline in temperatures from the more inviting summer months signals a shift, yet September retains a crisp charm that perfectly encapsulates the Norwegian landscape’s beauty as it prepares for the colder months ahead.
September in Sandnessjøen, Norway, marks a notable peak in precipitation, with 220 mm (8.7 in) of rainfall spread across 19 days. This uptick follows a steady increase throughout the summer months, where August brought 175 mm (6.9 in) despite having more rain days at 21. The trends reveal a shift from the milder and drier beginning of the year, culminating in the wetter autumn months. Comparatively, September’s precipitation surpasses that of October, which typically sees 199 mm (7.8 in), indicating a seasonal transition that primes the region for the colder, winter months ahead. With the consistent rain, September serves as a reminder of nature's rhythm, drenching the landscape and preparing it for the impending chill of autumn.
In September, Sandnessjoen, Norway, experiences a notable humidity level of 91%. This figure shows a slight increase from the drier summer months of June and July, where humidity dipped to around 79% and 83% respectively. As autumn approaches, the humidity begins to rise again, echoing the trend seen in August and hinting at the wetter months to come. This gradual uptick leads into the fall, where humidity climbs further, peaking in winter with January reaching a striking 97%. The transition from the warm and relatively dry summer to the cooler, more humid autumn months illustrates the region's characteristic climate shift, emphasizing the high moisture content that defines Sandnessjoen's weather year-round.
As September rolls into Sandnessjoen, Norway, the UV Index shows a moderate reading of 3, indicating a gradual decline from the peak of summer. August also held a 4, but as the leaves begin to turn and cooler temperatures approach, the risk of sunburn diminishes. The 30-minute burn time in September mirrors that of both April and May, underscoring a shift towards safer sun exposure. This trend reflects a transition from the high levels experienced in July, where the Index peaked at 6. Whether you’re enjoying the crisp fall air or basking in occasional sunshine, it's essential to stay informed about the UV levels. For continuous updates on UV trends, visit Sandnessjoen UV Index.
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As the summer fades, September in Sandnessjoen, Norway still offers a generous 292 hours of sunshine, showcasing a delightful transition into autumn. This is a notable drop from the bustling July, which boasts the year's highest sunlight at 488 hours, but it remains significantly brighter than the winter months. September's hours reflect a lingering warmth, echoing the vibrant light of June and August, yet hint at the approaching darkness of October with its 189 hours. As daylight gradually diminishes, the charm of early autumn shines through, inviting residents and visitors alike to savor the last golden rays before winter's embrace.
In Sandnessjoen, Norway, the likelihood of sunny weather in September is relatively modest, with a 22% chance of sun. This trend mirrors the dip in sunshine that begins as summer wanes, showing a noticeable decrease compared to the previous months, with August offering a more promising 25%. Prior to September, the summer months exhibit a gradual increase in sunny days, peaking in July at 34%. As autumn approaches, the sunshine probability continues to drop, making September a transitional month where cloud cover begins to take precedence. While it's not the sunniest month, it still provides a chance for vibrant autumn skies, inviting outdoor enthusiasts to enjoy the scenery before winter sets in.
In September, Sandnessjoen, Norway, experiences a significant transition as daylight begins to wane, offering around 13 hours of sunlight. This marks a gradual decline from the long, bright days of summer, peaking in June with nearly 23 hours of daylight. As autumn unfolds, the diminishing light serves as a precursor to the shorter days of October and November, where daylight shrinks to just 9 and 5 hours, respectively. September's still-abundant light is a gentle reminder of summer's warmth, transitioning the vibrant landscapes into a tapestry of early autumn hues, before the deeper shadows of winter set in.
As September unfurls in Sandnessjøen, Norway, the average wind speed reaches a refreshing 3.9 m/s (9 mph), mirroring the breezy conditions of both April and October. This shift signifies a gentle transition from the calmer summer months, where winds dipped to their lowest in May and August at 3.0 m/s (7 mph). As autumn approaches, the winds begin to rise again, hinting at the invigorating chill that will define the colder months. Interestingly, while the winds may pick up slightly, they remain moderately consistent, reflecting a dynamic climate that dances between serene and brisk, inviting both locals and travelers to embrace the crisp air that September brings.
Weather in Sandnessjoen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sandnessjoen, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit notably contrasting weather patterns. In September, temperatures range from a cool minimum of 2°C (35°F) to a pleasant maximum of 19°C (66°F), with an average around 10°C (50°F). This month experiences substantial precipitation, totaling 220 mm (8.7 in) over 19 days, and the humidity hovers at a high 91%. In stark contrast, January presents a much colder climate, with temperatures falling significantly—minimums at -16°C (3°F) and maximums reaching only 8°C (47°F), averaging -2°C (28°F). Precipitation is slightly less at 198 mm (7.8 in), spread across 16 days, and the humidity rises to a damp 97%. These distinctive conditions illustrate the dramatic seasonal shift. For more information on January weather, you can visit Sandnessjoen weather in January.
September and February present stark contrasts in weather conditions. September welcomes milder temperatures, with averages around 10°C (50°F) and a maximum of 19°C (66°F), while February chills the air significantly, with average temperatures plummeting to -3°C (27°F) and highs only reaching 7°C (46°F). Precipitation is more frequent in September, totaling 220 mm (8.7 in) over 19 days, compared to February's 142 mm (5.6 in) over 16 days. Moreover, humidity levels remain high in both months, peaking at 91% in September and slightly higher at 94% in February. For a more detailed look at February's weather, visit Sandnessjoen weather in February.
September and March in Sandnessjoen present strikingly different weather conditions, despite their similar total precipitation levels and number of rainy days. In September, temperatures range from a mild 2°C (35°F) to a comfortable 19°C (66°F), with an average of 10°C (50°F), creating a more pleasant early fall atmosphere. In contrast, March experiences much colder temperatures, dipping as low as -18°C (1°F) and averaging around -1°C (31°F), making it feel quite frigid. The humidity remains high in both months, with September at 91% and March slightly higher at 92%. For a deeper insight into March weather in Sandnessjoen, you can check this link: Sandnessjoen weather in March.
When comparing the weather in September and April, several notable differences emerge. September typically has a milder temperature range, with minimums around 2°C (35°F) and maximums peaking at 19°C (66°F), while April experiences chillier conditions, with minimums dropping to -10°C (14°F) and maximums reaching only 17°C (63°F). Additionally, September is characterized by heavier precipitation, with 220 mm (8.7 in) spread over 19 days, compared to April's 153 mm (6.0 in) over 17 days. Humidity levels are also slightly higher in September at 91%, compared to April's 88%. For a more detailed look at April weather, you can visit Sandnessjoen weather in April.
When comparing the weather in September and May, September generally feels milder, with average temperatures around 10°C (50°F) compared to May’s average of 7°C (45°F). While both months experience significant humidity, September's level is slightly higher at 91% compared to May’s 82%. Precipitation is also more abundant in September, with 220 mm (8.7 in) over 19 days, whereas May receives only 95 mm (3.7 in) over 14 days. This means September is typically wetter and more humid, while May offers slightly cooler temperatures and less rain. For more detailed insights, check Sandnessjoen weather in May.
In comparing the weather between September and June, we see distinct differences in temperature and precipitation patterns. September tends to be cooler, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 19°C (66°F), while June enjoys milder conditions, with temperatures ranging from 3°C (37°F) to a maximum of 25°C (78°F). Additionally, September is notably wetter, receiving 220 mm (8.7 in) of rainfall over 19 days, compared to June's 126 mm (4.9 in) over 17 days. The humidity level is also higher in September at 91%, while June sees a more comfortable 79%. For a deeper dive into June weather specifics, visit Sandnessjoen weather in June.
In comparing the weather of September and July, it's evident that July tends to be significantly warmer, with an average temperature of 14°C (58°F) compared to September's average of 10°C (50°F). July also boasts much higher maximum temperatures, reaching up to 30°C (87°F) versus September's peak of 19°C (66°F). While July experiences less precipitation (120 mm or 4.7 in) over 16 days, September is much wetter, with 220 mm (8.7 in) of rain over 19 days and higher humidity levels, reaching 91% compared to July’s 83%. For more detailed information, you can check out Sandnessjoen weather in July.
In comparing the weather of September and August, it’s clear that September experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 19°C (66°F), while August sees milder conditions, ranging from a minimum of 5°C (42°F) to a maximum of 26°C (78°F). Additionally, September is much wetter, with 220 mm (8.7 in) of precipitation over 19 days, compared to August's 175 mm (6.9 in) across 21 days. Humidity levels remain similar, with September at 91% and August slightly lower at 89%. For more detailed insights into August weather, you can visit Sandnessjoen weather in August.
September and October display noticeable shifts in weather patterns. September typically enjoys milder temperatures, with a minimum of 2°C and an average high of 19°C, while October sees cooler conditions, starting at a low of -5°C and reaching a maximum of 15°C. Both months experience substantial rainfall, but October's precipitation is slightly lower at 199 mm compared to September's 220 mm, despite having the same number of rainy days at 19. Humidity also increases slightly in October, reaching 94%, compared to 91% in September. For more detailed information, you can check this link: Sandnessjoen weather in October.
September and November present contrasting weather patterns as the seasons shift. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 19°C (66°F), with an average of 10°C (50°F), indicating a mild and gradually cooling month. The precipitation is notable, with 220 mm (8.7 in) falling over 19 days, accompanied by high humidity at 91%.
In stark contrast, November sees much colder temperatures, with a minimum of -13°C (10°F) and an average temperature of 2°C (35°F), culminating in a maximum of 11°C (51°F). While it experiences slightly lower precipitation of 185 mm (7.3 in), it occurs over 20 days and is coupled with higher humidity at 95%. Thus, November weather is characterized by colder temperatures and persistent dampness. For those interested in specifics, you can explore more about Sandnessjoen weather in November.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 2°C (35°F) to an average of 10°C (50°F), peaking at 19°C (66°F). The month experiences significant rainfall, totaling 220 mm (8.7 in) over approximately 19 days, while humidity hovers around 91%. In contrast, December brings much colder temperatures, with a minimum of -16°C (3°F) and an average of -1°C (30°F), reaching a maximum of 8°C (47°F). Although December has slightly less precipitation at 164 mm (6.5 in) over 17 days, humidity increases to 96%. For more details on December weather, visit Sandnessjoen weather in December.
As September unfolds in Sandnessjoen, the weather marks a significant shift from the summer warmth, showcasing cooler temperatures and an increase in precipitation. With an average temperature of about 10°C, it’s a month where crisp air and frequent rainy days usher in autumn. Rainfall is common, with nearly 20 days of measurable precipitation, contributing to a rather humid atmosphere that can feel quite different from the drier summer period. This transitional month sets the stage for the stunning fall landscapes that await, making it a unique time to experience the beauty of Sandnessjoen. For a more detailed understanding of the climate in this charming region, visit Sandnessjoen Climate.