Last updated: August 27, 2025
In Sandvika, Norway, September presents a blend of mild temperatures and notable precipitation. With maximums reaching 24°C (75°F) and an average of 12°C (54°F), the weather transitions from the warmth of summer to the crispness of autumn. The minimum temperatures dip to 2°C (37°F), setting the stage for cooler evenings. Over the month, 106 mm (4.2 in) of rain falls across 12 days, contributing to a high humidity level of 86%, creating a refreshingly cool atmosphere. This changeable weather invites exploration of the scenic beauty that surrounds Sandvika as it gradually shifts into the heart of fall.
In September, Sandvika, Norway, transitions from the warmth of summer to the crispness of autumn. With minimum temperatures around 2°C (37°F) and a comfortable average of 12°C (54°F), this month offers a pleasant reprieve before the chill sets in. Daytime highs reach up to 24°C (75°F), showcasing lingering warmth but slowly yielding to the cooler months ahead. As the leaves begin to change, the mild temperatures encourage outdoor activities, making September a perfect time to explore the scenic beauty of the region while enjoying the last vestiges of summer's warmth before the inevitable drop in temperatures arrives in October.
In September, Sandvika experiences a significant uptick in precipitation, with total rainfall measuring 106 mm (4.2 in), marking it as the wettest month of the late summer season. This spike is complemented by an average of 12 rainy days, suggesting a transition towards the wetter autumn months ahead. The increase in precipitation is noteworthy when juxtaposed against the previous months, particularly August, which also saw considerable rainfall with 100 mm (3.9 in), but fewer rainy days. As the region shifts into October, it is clear that September serves as a bridge, preparing the landscape for the heightened rainfall that often characterizes the autumn, heralding change in both weather and scenery.
In September, Sandvika experiences a noticeable shift in humidity, rising to 86% as summer transitions into autumn. This increase reflects a trend where humidity levels begin to climb after a dip in late summer. Following the relatively drier months of June and July, which see humidity levels around 71-72%, September's humidity signifies the onset of wetter weather. This pattern continues into the fall months, with October and November maintaining high humidity at 92% and 93%, respectively. Overall, September serves as a bridge, subtly hinting at the approaching autumnal conditions that will dominate the coming months.
As September unfolds in Sandvika, Norway, the UV Index registers at a moderate 4, indicating a transition from the summer's high exposure levels. During this month, residents can anticipate a burn time of 30 minutes under direct sunlight, a significant drop compared to the high UV readings of July and August, which peaked at 7. This gradual decline emphasizes a shift towards safer sun exposure, inviting outdoor activities without the intense risk associated with the peak summer months. As fall approaches, it’s essential to remain mindful of UV levels; for more detailed information, visit Sandvika UV Index.
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In September, Sandvika basks in a remarkable 263 hours of sunshine, gently transitioning from the long, radiant days of summer into the crisper autumn months. This marks a significant shift from the sun-drenched peak of July with its impressive 461 hours, reflecting the inevitable descent as the days grow shorter. Interestingly, September’s sunlight still surpasses the gloomy depths of winter, where months like November and December yield barely 125 and 93 hours respectively. Yet, this month holds a special allure; the blend of warm early autumn light enhances the vibrant colors of nature, making it a perfect time for exploration and outdoor activities before the chill of winter sets in. The gradual decline in daylight hours captures the essence of seasonal change, inviting residents and visitors alike to embrace the beauty of falling leaves and golden hues.
In Sandvika, Norway, the likelihood of sunny weather takes a noticeable dip in September, with only a 25% chance of sun. This marks a shift from the somewhat sunnier months of April and July, where the probabilities soar to 56% and 43% respectively. As summer transitions into autumn, the sunny spells become less frequent, mirroring the declining chances observed in May and August. Overall, this trend emphasizes September's role in ushering in the cooler, cloudier days of fall, making it a month of beautiful colors but reduced sunshine.
As summer fades into fall, September in Sandvika, Norway, marks a gentle transition with about 12 hours of daylight. This month reflects a notable decrease from the 17 hours experienced in the peak of summer, yet remains significantly brighter compared to the diminishing daylight of the upcoming months. Following the vibrancy of May and June, which boast nearly 18 hours, September brings a subtle reminder of the approaching winter, where daylight dwindles further to 10 hours by October. The gradual decline in daylight not only sets the stage for a cozy autumn, but also allows residents to relish the lingering light before the long winter nights set in.
In Sandvika, Norway, the September winds mirror the gentle breezes of summer, with an average speed of 2.2 m/s (5 mph), maintaining the calm and serene atmosphere that characterizes this time of year. As we transition into autumn, it's fascinating to note that September's winds are in line with the lighter gusts of July and August, bringing a subtle continuity to the changing seasons. The slight dip in wind speed compared to earlier months suggests a lingering warmth, perfect for outdoor activities before winter sets in. Looking ahead to October, we can anticipate a shift, as the wind speeds are expected to pick up to 2.9 m/s (6 mph), signaling the brisker days of fall. Overall, September serves as a gentle reminder of nature's rhythms, wrapping up summer with a soft, inviting breeze.
Weather in Sandvika varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sandvika, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be much milder compared to January, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F) and a comfortable average of 12°C (54°F). During this month, precipitation is relatively high at 106 mm (4.2 in) over 12 days, coupled with a humidity level of 86%. In contrast, January experiences much colder conditions, with temperatures plummeting to a minimum of -19°C (-2°F) and an average temperature of -4°C (26°F), peaking at just 9°C (49°F). The precipitation is lower at 60 mm (2.4 in) spread over 8 days, and humidity is slightly higher at 94%. For more details about January weather, you can refer to Sandvika weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 2°C (37°F) at night to a pleasant maximum of 24°C (75°F) during the day, making it a transitional month with an average of 12°C (54°F). The month experiences quite a bit of rain, with 106 mm (4.2 in) of precipitation spread over 12 days and high humidity at 86%. In stark contrast, February is considerably colder, with temperatures plunging to a minimum of -21°C (-5°F) and a maximum of 9°C (48°F), yielding an average of -3°C (27°F). While February sees less precipitation at 64 mm (2.5 in), it still rains over 10 days and maintains high humidity at 92%. For more details on February weather, visit Sandvika weather in February.
September and March present quite contrasting weather patterns. In September, temperatures range from a cool 2°C (37°F) at night to a comfortable average of 12°C (54°F) during the day, peaking at a warm 24°C (75°F). This month experiences significant precipitation, with about 106 mm (4.2 in) falling over 12 days and humidity levels hovering around 86%. In stark contrast, March is defined by much colder temperatures, dipping down to -19°C (-1°F) at night and averaging around 0°C (33°F), with a maximum of 15°C (59°F). The precipitation is less, at 65 mm (2.6 in) over 9 days, but humidity is slightly higher at 89%. For more detailed weather patterns, you can check Sandvika weather in March.
When comparing the weather in September and April, notable differences emerge. September typically showcases a mild temperature range, with minimums around 2°C (37°F) and maximums reaching up to 24°C (75°F), leading to an average of 12°C (54°F). In contrast, April experiences colder temperatures, starting from a low of -12°C (11°F) and peaking at 22°C (73°F), resulting in an average of only 5°C (40°F). Additionally, September is wetter, with 106 mm (4.2 in) of precipitation over 12 days, compared to April's lighter 38 mm (1.5 in) across just 6 days. Humidity levels remain relatively high in both months, with September at 86% and April slightly lower at 82%. For more detailed information, visit Sandvika weather in April.
September weather typically sees a more moderate temperature range, with average highs reaching around 24°C (75°F) and lows around 2°C (37°F). This month is characterized by higher humidity at 86% and greater precipitation, averaging 106 mm over 12 days. In contrast, May offers slightly cooler temperatures with an average high of 29°C (84°F) and lows dipping to -3°C (27°F). Although May experiences less rainfall at 90 mm across 13 days, it benefits from lower humidity levels at 73%. For a detailed outlook, you can check out Sandvika weather in May.
In comparing the weather between September and June, we see some notable differences. September experiences a lower average temperature, ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F), compared to June, which has slightly warmer temperatures that range from 4°C (39°F) to 28°C (83°F). Additionally, September is characterized by higher humidity at 86% and more precipitation, with about 106 mm (4.2 in) falling over 12 days, while June sees less rain at 87 mm (3.4 in) over 11 days and a more comfortable humidity level of 71%. For a closer look at June's weather specifics, you can visit Sandvika weather in June.
In comparing the weather of September and July, September tends to be cooler, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F), while July boasts milder conditions, featuring temperatures from 6°C (44°F) to a high of 31°C (88°F). Both months experience similar precipitation levels, with September receiving about 106 mm (4.2 in) over 12 days and July slightly less at 100 mm (4.0 in) across the same number of days. However, September has a much higher humidity level at 86%, compared to July's 72%, making the latter feel warmer and drier. For a more detailed look at July in Sandvika, you can visit Sandvika weather in July.
September's weather is characterized by cooler temperatures compared to August, with a minimum of 2°C (37°F) and a maximum of 24°C (75°F), resulting in a significant average drop from August's minimum of 5°C (42°F) and maximum of 28°C (82°F). Additionally, September experiences higher humidity levels at 86%, compared to August's 77%. Although precipitation is slightly higher in September at 106 mm (4.2 in) over 12 days, it closely mirrors August's totals of 100 mm (3.9 in) across 14 days. For a more detailed look at August weather, you can visit Sandvika weather in August.
As September transitions into October, the weather experiences a notable shift. September boasts milder temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F), with an average of 12°C (54°F). In contrast, October brings cooler conditions, with temperatures dipping to a minimum of -3°C (26°F) and averaging around 7°C (44°F), peaking at 17°C (62°F).
Additionally, precipitation increases from September's 106 mm (4.2 in) over 12 days to October's 131 mm (5.1 in) spread across 15 days. The humidity also rises slightly, from 86% in September to 92% in October. For more details about the weather specifics in October, you can visit Sandvika weather in October.
September weather tends to be milder, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F). In contrast, November brings a notable drop in temperatures, with averages hovering between -9°C (17°F) and 13°C (57°F), resulting in a chillier atmosphere. While both months experience a similar amount of precipitation, with September receiving 106 mm (4.2 in) over 12 days and November seeing 103 mm (4.1 in) spread across 13 days, November is marked by higher humidity levels at 93%, compared to September’s 86%. For a closer look at November weather specifics, check out Sandvika weather in November.
In September, the weather is noticeably milder, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 24°C (75°F) and an average of 12°C (54°F). The month experiences about 106 mm (4.2 in) of precipitation over 12 days, with humidity levels sitting at 86%. In contrast, December brings much colder temperatures, with a minimum of -16°C (3°F) and an average of -2°C (28°F), peaking at just 7°C (45°F). Surprisingly, December sees a similar level of precipitation at 107 mm (4.2 in) spread over 16 days, alongside a higher humidity level of 93%. For more specific information, check Sandvika weather in December.
As September unfolds in Sandvika, the weather presents a unique transition from the warmth of summer to the crispness of autumn. With maximum temperatures reaching 24°C (75°F) and an average of 12°C (54°F), the month strikes a harmonious balance between lingering warmth and the cooling air indicative of the changing season. However, this month is also notably wet, marked by 106 mm (4.2 in) of precipitation over 12 days, contributing to a humidity level of 86% that can make the atmosphere feel especially dense. This blend of warmth and moisture distinguishes September from other months, creating a vibrant backdrop as nature begins its transformation. For a deeper dive into Sandvika's weather patterns, check out Sandvika Climate.