September Weather in Svolvaer, Norway

Last updated: August 27, 2025

In September, Svolvaer, Norway, experiences a mild maritime climate characterized by maximum temperatures reaching 17°C (63°F) and an average of 10°C (51°F). As the month unfolds, the mercury can dip to a minimum of 4°C (39°F), signaling the arrival of autumn. Rain is prevalent, with 148 mm (5.8 in) of precipitation spread across 18 days, leading to a relatively humid atmosphere with 87% humidity. This blend of cool temperatures and frequent showers makes September a beautiful yet unpredictable month for visitors and locals alike, capturing the essence of the breathtaking Lofoten Islands as they transition into the fall season.

September Temperature in Svolvaer

In Svolvaer, Norway, September marks a delightful transition into autumn, with temperatures reflecting a gentle shift from the summer warmth. The month begins with a minimum of 4°C (39°F), while the average temperature reaches a comfortable 10°C (51°F), peaking at 17°C (63°F). This gradual cooling is a notable change from the vibrant summer months, where temperatures soar to their highest. September's milder climate invites locals and visitors alike to bask in the breathtaking landscapes as the foliage begins to transform, adding vibrant hues to the scenery. This month serves as a harmonious blend of the lingering warmth of summer and the crispness of approaching winter, making it an enchanting time to experience the natural beauty of Norway.

September Weather in Svolvaer: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Svolvaer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Svolvaer, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec333233374249545550444036
Data source: Temperature data for Svolvaer generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Svolvaer

September brings a notable shift in Svolvaer's weather patterns, as the town experiences a significant uptick in precipitation. With 148 mm (5.8 in) of rain over 18 days, September stands as one of the wettest months of the year, following closely behind October and November. This increase marks a transition from the relatively drier summer months, where July and May recorded just 80 mm (3.2 in) and 66 mm (2.6 in), respectively. As autumn unfolds, residents and visitors alike can expect more frequent rain showers, preparing for the wetter months ahead. The trend highlights nature's rhythm, as Svolvaer shifts from summer's warmth to the crisp, rainy days of fall, setting the stage for the stunning northern lights that soon follow.

September Precipitation Trends in Svolvaer

The chart displays monthly precipitation patterns in Svolvaer, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Svolvaer, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12510511788677680118148151171134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Svolvaer

In September, Svolvaer experiences a noticeable increase in humidity, reaching 87%, which aligns closely with the levels seen in the colder months ahead. This slight rise follows a summer period marked by relatively lower humidity, particularly in May when it dips to 77%. As autumn approaches, the humidity gradually climbs, reminiscent of the wetter months of October and November, both registering 88% and 87%, respectively. Overall, the data suggests a seasonal transition, with September bridging the warm summer days and the chill of impending winter, setting the stage for the cozy, damp atmosphere characteristic of Norwegian autumns.

September Average Humidity in Svolvaer

This chart illustrates the average monthly humidity levels in Svolvaer, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Svolvaer is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%85%83%77%82%83%83%87%88%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Svolvaer

In September, Svolvaer experiences a UV Index of 3, positioning it within the moderate exposure category. This trend marks a gentle decline from the summer months, where the index peaked at 5 in both June and July. As the days grow shorter and the sun's strength wanes, sunbathers should still be mindful, with a burn time of just 30 minutes under direct sunlight. This month serves as a reminder that while the sun's power diminishes, it remains important to take precautions against UV exposure. For detailed insights on UV levels throughout the year, check out Svolvaer UV Index.

Maximum UV Index Levels in Svolvaer for September

The chart shows the monthly maximum UV Index (UVI) for Svolvaer in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Svolvaer typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345543110
Data source: Svolvaer September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Svolvaer

In September, Svolvær basks in a generous 314 hours of sunshine, signaling the tail end of a radiant summer. This month showcases a noticeable shift from the peak luminosity of July and June, where the sun graced the town with 513 and 504 hours respectively. As autumn approaches, the daylight begins to dwindle, yet September's sunlight remains ample, hinting at a lingering warmth before the long, dark winter sets in. With daylight significantly decreasing in the following months, including a stark drop to a mere 52 hours in November, it's a splendid time to soak in the remaining golden rays against the stunning backdrop of Norway's dramatic landscapes.

Monthly Sunshine Duration in Svolvaer: September Highlighted

The September sunshine duration represents the total number of hours Svolvaer experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec18h126h262h366h471h504h513h405h314h203h52h0h
Data source: Svolvaer September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Svolvaer During September

As September rolls in Svolvaer, Norway, the likelihood of sunny weather begins to dip, with a 22% chance of sun gracing the skies. This marks a continuation of a downward trend that starts in the vibrant summer months of June and July, where the sun shines more frequently. After enjoying peak sunshine rates in April and May, the gradual decrease into September suggests a shift towards the cooler, more cloud-laden days of autumn. With the days getting shorter and the weather turning, it's clear that September offers a gentle farewell to brighter days, setting the stage for the imminent embrace of fall.

Percentage of Sunny Days in September in Svolvaer

The chart illustrates the percentage of sunny days in Svolvaer throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Svolvaer experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%24%24%36%33%29%27%24%22%17%20%35%
Data source: Svolvaer September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Svolvaer in September

In Svolvaer, Norway, September marks a gentle transition as daylight tapers to 13 hours, down from the summer's abundant 24 hours in June. This month serves as a bridge between the long, sunlit days of summer and the encroaching darkness of autumn. Following the vibrant hues of August with its 17 hours of daylight, September offers a glimpse of the changing season, with sunlight diminishing gradually as October approaches, bringing just 9 hours. This trend reflects the region's dramatic seasonal shifts, where the midnight sun gives way to shorter days, inviting visitors to experience the crisp beauty of early autumn in the Arctic.

Average Daylight Hours in Svolvaer for September

The chart illustrates the variation in daylight duration in Svolvaer throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 3m7h 42m11h 46m15h 54m21h 7m24h22h 46m17h 20m13h 8m9h 7m6h 7m3h 12m
Data source: Svolvaer daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Svolvaer

In September, Svolvaer experiences a gentle resurgence of winds, averaging 6.2 m/s (14 mph), reminiscent of the breezes felt earlier in the year. As summer fades, the wind speed gently climbs back to levels seen in January, showcasing a trend where the months of late summer and early autumn often share similar atmospheric characteristics. This transitional period signals the approach of autumn, as the winds grow increasingly dynamic in the following months, peaking at 7.1 m/s (16 mph) by December. Thus, September acts as a bridge, offering a taste of both lingering warmth and the invigorating chill of the season ahead, making it a captivating time to embrace the natural beauty of Svolvaer.

Average September Wind Speed in Svolvaer

The chart displays monthly wind speed patterns in Svolvaer, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.26.87.76.85.35.56.65.26.2 m/s6.66.97.1
Data source: Svolvaer September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Svolvaer Compares to Other Months

Weather in Svolvaer varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Svolvaer, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 17°C (63°F), with an average of 10°C (51°F). This month experiences considerable rainfall, accumulating 148 mm (5.8 in) over 18 days, accompanied by high humidity at 87%. In contrast, January is much colder, with temperatures dipping to a minimum of -8°C (19°F) and peaking at 8°C (47°F), averaging just 1°C (33°F). Precipitation is slightly lower at 125 mm (4.9 in) over 16 days, and humidity remains high at 89%. For more detailed weather information, you can visit Svolvaer weather in January.

Comparing the weather in September and February reveals contrasting conditions. September typically enjoys milder temperatures, with averages around 10°C (51°F) and maximums reaching 17°C (63°F), while February is considerably colder, with an average of 0°C (32°F) and highs of only 7°C (45°F). Precipitation is relatively high in both months, but September sees more rain at 148 mm (5.8 in) over 18 days compared to February's 105 mm (4.1 in) across 14 days. Despite both months having the same humidity of 87%, the overall chill in February makes it feel much crisper compared to the mild, often drizzly September. For more detailed insights about February weather, you can check Svolvaer weather in February.

September and March present notable contrasts in weather conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 17°C (63°F), making it a milder month with an average temperature of 10°C (51°F). The month is relatively wet, with 148 mm (5.8 in) of precipitation spread over 18 days, accompanied by high humidity at 87%. In contrast, March brings much colder temperatures, with a minimum of -7°C (20°F) and a maximum of 7°C (45°F), resulting in an average temperature of just 1°C (33°F). Although it sees slightly less precipitation at 117 mm (4.6 in), it is spread over 20 days, maintaining a humidity level of 85%. For those seeking more details about March weather specifically, visit Svolvaer weather in March.

In comparing the weather between September and April, we can observe distinct differences. September is generally milder, with average temperatures reaching around 10°C (51°F) and maximums of 17°C (63°F), while April’s temperatures are notably cooler, averaging only 3°C (37°F) with highs of 10°C (50°F). Precipitation levels are higher in September, with 148 mm (5.8 in) falling over 18 days, compared to April's 88 mm (3.5 in) over 16 days. Additionally, the humidity remains relatively high in both months, with September at 87% and April slightly lower at 83%. For more detailed insights, you can check Svolvaer weather in April.

In comparing the weather of September and May, it is clear that September experiences milder temperatures, with an average of 10°C (51°F) and highs reaching up to 17°C (63°F), while May has lower averages at 5°C (42°F) with maximum temperatures only reaching 14°C (58°F). September also sees higher precipitation levels, with 148 mm (5.8 in) over 18 days, contrasting May’s comparatively drier climate of 66 mm (2.6 in) across 12 days. Humidity levels in September are notably higher at 87%, compared to May's 77%. For more detailed information, you can check Svolvaer weather in May.

In comparing the weather between September and June, we see a slight difference in temperature and precipitation. September typically experiences a temperature range from a minimum of 4°C (39°F) to a maximum of 17°C (63°F), with an average of 10°C (51°F). This month also sees more precipitation, averaging 148 mm (5.8 in) over 18 days, contributing to a higher humidity level of 87%.

In contrast, June offers slightly cooler temperatures, with a minimum of 3°C (37°F), an average of 9°C (49°F), and a maximum of 16°C (61°F). The month is relatively drier, with 75 mm (3.0 in) of precipitation over 15 days and a humidity of 82%. For more detailed information about the June weather, you can check Svolvaer weather in June.

In comparing the weather between July and September, notable differences emerge in temperature and precipitation patterns. July tends to be warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 21°C (69°F), creating a pleasant environment for outdoor activities. In contrast, September experiences cooler temperatures, averaging between 4°C (39°F) at night and 17°C (63°F) during the day. Precipitation is also more significant in September, with 148 mm (5.8 in) recorded over 18 days, while July sees only 80 mm (3.2 in) over 11 days, making it a drier month overall. Humidity levels are relatively close, at 87% for September and 83% for July, contributing to the overall dampness felt in early autumn. For more detailed insights, you can check Svolvaer weather in July.

In comparing the weather between August and September, it's evident that September tends to be cooler and wetter. The average temperature drops from 13°C (55°F) in August to 10°C (51°F) in September, while the maximum temperature decreases from 21°C (70°F) to 17°C (63°F). Moreover, September experiences more rainfall, with 148 mm (5.8 in) over 18 days, compared to 118 mm (4.6 in) over 16 days in August. Humidity also rises slightly, reaching 87% in September compared to 83% in August. For more details, you can check Svolvaer weather in August.

September and October exhibit noticeable shifts in weather patterns. September tends to have milder temperatures, with an average of 10°C (51°F) and a maximum of 17°C (63°F), while October sees a drop in average temperature to 7°C (44°F), with a minimum of 1°C (34°F). While both months experience similar precipitation levels—148 mm (5.8 in) in September and 150 mm (5.9 in) in October—the number of rainy days remains consistent at 18 for both months. Humidity levels also climb slightly from 87% in September to 88% in October, contributing to an overall chill in the air. For more detailed weather insights, you can visit Svolvaer weather in October.

In September, temperatures gradually decrease, with minimums around 4°C (39°F) and maximums reaching up to 17°C (63°F). The month also experiences significant rainfall, with 148 mm (5.8 in) spread over 18 days, all while maintaining a humidity level of 87%. In contrast, November brings chillier conditions, as temperatures drop further with minimums plummeting to -5°C (23°F) and average temperatures settling at around 4°C (40°F). This month is also wetter, recording 171 mm (6.7 in) of precipitation over 22 days, yet the humidity remains constant at 87%. For more detailed information, check out Svolvaer weather in November.

In September, temperatures range from a chilly 4°C (39°F) at night to a mild average of 10°C (51°F) during the day, peaking at 17°C (63°F). The month is characterized by considerable rainfall, with 148 mm (5.8 in) accumulated over 18 days, accompanied by high humidity at 87%. In contrast, December brings significantly colder weather, with temperatures dropping to a minimum of -6°C (21°F) and averaging around 2°C (36°F), while the maximum reaches only 8°C (47°F). Precipitation is slightly lower at 134 mm (5.3 in), still spread over 18 days, and the humidity remains constant at 87%. To explore more about December weather in Svolvaer, you can visit Svolvaer weather in December.

Compare Svolvaer's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Svolvaer

As September unfolds in Svolvaer, it brings a distinct transition from the warmth of summer to the crispness of autumn. With temperatures dipping to an average of 10°C (51°F), the days become cooler, and the evenings start to hint at winter's approach. This month is notably wetter, with significant precipitation occurring over nearly two-thirds of the days, contributing to the lush landscapes that characterize the region. Additionally, the high humidity level of 87% can create a palpable chill, making it feel even cooler than the thermometer suggests. For those seeking to understand the unique weather patterns of Svolvaer, it's worthwhile to explore the detailed statistics available at Svolvaer Climate.