September Weather in Klaksvik, Faroe Islands

Last updated: August 21, 2025

Experience the dynamic weather of Klaksvik, Faroe Islands in September, where the temperature ranges from a maximum of 14°C (58°F) to a minimum of 4°C (40°F), averaging around 10°C (51°F). This month, the region witnesses significant precipitation, with around 80 mm (3.1 in) spread across 16 days, contributing to the island's lush landscapes. With an elevated humidity level of 85%, visitors can expect a refreshing maritime breeze, making September a unique time to explore the breathtaking scenery and vibrant culture of this picturesque destination.

September Temperature in Klaksvik

In Klaksvik, Faroe Islands, September marks a transition into the cooler months, with temperatures beginning to dip after the warmer summer. The average temperature hovers around 10°C (51°F), offering a crisp yet refreshing climate that still retains some mildness. Nighttime lows are generally around 4°C (40°F), while daytime highs reach a comfortable 14°C (58°F). This month showcases a subtle shift from the mild summer warmth of August, which enjoyed an average of 11°C (52°F). As September unfolds, residents and visitors alike can feel the onset of autumn, characterized by the island’s stunning landscapes transforming into vibrant fall colors amidst the refreshing coastal breezes.

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

The chart illustrates September temperature patterns in Klaksvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klaksvik, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404041424549525250464341
Data source: Temperature data for Klaksvik generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Klaksvik

In September, Klaksvik experiences a notable increase in precipitation, with 80 mm (3.1 in) of rainfall over an average of 16 days. This marks a shift from the drier summer months, as August sees only 60 mm (2.4 in). As the transition to autumn begins, September’s precipitation sets the stage for the much wetter months ahead, particularly October, which often brings heavier storms with 115 mm (4.5 in) expected. This trend showcases a characteristic spike in rainfall, reinforcing the Faroe Islands' reputation for unpredictable weather and lush landscapes, particularly as nature prepares for the harsher winter ahead.

September Precipitation Trends in Klaksvik

The chart displays monthly precipitation patterns in Klaksvik, 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 Klaksvik, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec68858965595858608011594122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Klaksvik

In September, humidity in Klaksvik, Faroe Islands settles at a comfortable 85%, maintaining the high moisture levels characteristic of the summer months. As the year progresses from January’s 77%, a gradual increase in humidity is evident, peaking in July with 88%. This pattern indicates a clear trend towards more humid conditions as the seasons shift, with fall bringing slightly lower levels. September still holds onto summer's warmth, but with the onset of autumn, humidity begins its slow ascent towards the 86% mark in October. Overall, the consistent humidity throughout the year reflects Klaksvik’s maritime climate, where moisture is an integral part of its enchanting atmosphere.

September Average Humidity in Klaksvik

This chart illustrates the average monthly humidity levels in Klaksvik, 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 Klaksvik is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%80%80%84%84%88%85%85%86%82%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Klaksvik

In September, Klaksvik experiences a UV Index of 4, indicating a moderate level of sun exposure. As summer fades, this marks a gentle decline from August’s peak of 5, reflecting shorter days and less intense sunlight. With a burn time of 30 minutes, it's essential for residents and visitors alike to stay mindful of sun protection, as skin can still be sensitive to UV rays during this transition. Historically, Klaksvik sees a gradual lowering of the UV Index as the year progresses, dropping to a manageable 2 in October. For more insights on UV exposure throughout the year, visit Klaksvik UV Index.

Maximum UV Index Levels in Klaksvik for September

The chart shows the monthly maximum UV Index (UVI) for Klaksvik 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 Klaksvik typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456654211
Data source: Klaksvik 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 Klaksvik

September in Klaksvik, Faroe Islands, is a delightful transition into autumn, offering a respectable 268 hours of sunshine. While this marks a decline from the sun-drenched heights of summer—where July basked in 391 hours—the month still maintains a significant brightness compared to the bleak winter months ahead. The increasing warmth from April through August showcases a pattern of gradually rising daylight that peaks in midsummer, before gently fading as the days shorten. Despite the inevitable change in season, September remains an inviting time, with crisp air and lingering daylight that can still inspire outdoor adventures amid the stunning Faroese landscapes.

Monthly Sunshine Duration in Klaksvik: September Highlighted

The September sunshine duration represents the total number of hours Klaksvik 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.
JanFebMarAprMayJunJulAugSepOctNovDec43h116h192h297h380h385h391h363h268h191h73h38h
Data source: Klaksvik September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Klaksvik During September

In September, Klaksvik experiences a modest 14% chance of sunny weather, making it one of the less favorable months for sunshine in this picturesque part of the Faroe Islands. This slight uptick from the peak summer months—July and August, which see only 12% and 11%, respectively—suggests that the transition to autumn brings a touch more brightness, albeit still limited. Overall, as the year progresses, particularly through the spring and summer, sunny days become increasingly rare, with January and February offering the most optimism for sunshine. Thus, while September may offer a glimmer of hope, travelers should be prepared for predominantly overcast skies and plan their outdoor adventures accordingly.

Percentage of Sunny Days in September in Klaksvik

The chart illustrates the percentage of sunny days in Klaksvik 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 Klaksvik experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%36%21%27%25%16%12%11%14%22%17%22%
Data source: Klaksvik September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Klaksvik in September

As summer wanes in Klaksvik, Faroe Islands, September brings a gentle descent from the lengthy days of bright June and July, where daylight reached its peak at 19 hours. With the arrival of fall, September graces the island with a more moderate 12 hours of daylight, offering a balanced transition as the sun begins its retreat. This shift is a precursor to the shorter days ahead, reminiscent of the early months of the year when sunlight dipped to its lowest at just 6 hours in January. The rhythmic ebb and flow of daylight not only marks the changing seasons but also invites residents and visitors alike to savor the lingering warmth of autumn, before the darker days of winter settle in.

Average Daylight Hours in Klaksvik for September

The chart illustrates the variation in daylight duration in Klaksvik throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 8m8h 50m11h 50m14h 55m17h 52m19h 42m18h 41m15h 53m12h 51m9h 50m6h 56m5h 9m
Data source: Klaksvik daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Klaksvik

As summer gives way to autumn in Klaksvik, Faroe Islands, the September winds start to pick up, averaging around 6.0 m/s (13 mph). This marks a slight increase from the languid summer breezes of July and August, when wind speeds fell to their annual lows of 4.4 m/s (10 mph) and 4.1 m/s (9 mph), respectively. With September being the bridge between summer's calm and the robust gusts of autumn, it sets the stage for the approaching months, where winds typically surge, peaking again in November at 8.1 m/s (18 mph). The transition is subtle yet palpable; September’s winds usher in the changing season, bringing a refreshing chill that hints at the beauty and unpredictability of Faroese weather.

Average September Wind Speed in Klaksvik

The chart displays monthly wind speed patterns in Klaksvik, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.78.37.16.86.85.94.44.16.0 m/s6.88.16.5
Data source: Klaksvik September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Klaksvik Compares to Other Months

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

September and January present distinct contrasts in weather. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable average of 10°C (51°F), peaking at a mild 14°C (58°F). This month sees considerable precipitation, totaling 80 mm (3.1 in) over 16 days, coupled with high humidity levels at 85%. In contrast, January is much colder, with temperatures dropping to a minimum of -4°C (26°F) and an average of 5°C (41°F), reaching a maximum of 11°C (52°F). Precipitation is slightly lower at 68 mm (2.7 in) over 15 days, and the humidity decreases to 77%. For further details, you can check out Klaksvik weather in January.

September and February present distinct weather patterns, with September typically warmer yet wetter than February. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 14°C (58°F), accompanied by 80 mm (3.1 in) of precipitation over 16 days and high humidity at 85%. Conversely, February experiences colder temperatures, with lows dropping to -4°C (25°F) and highs reaching 11°C (52°F). Although February records slightly more precipitation at 85 mm (3.3 in) over the same number of days, the humidity is lower at 77%. For more details on February weather, you can check Klaksvik weather in February.

In September, the weather is generally milder with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (58°F) and an average of 10°C (51°F). The month experiences 80 mm (3.1 in) of precipitation over 16 days, accompanied by relatively high humidity at 85%. In contrast, March tends to be cooler, with temperatures dipping to a minimum of -2°C (29°F) and peaking at 11°C (52°F), averaging around 5°C (41°F). This month sees slightly higher precipitation at 89 mm (3.5 in) over 20 days and lower humidity at 80%. For a more detailed look at March conditions, check out Klaksvik weather in March.

The weather in September is generally milder compared to April, with average temperatures ranging from 10°C (51°F) to a maximum of 14°C (58°F), while April sees lower averages from -3°C (27°F) at its minimum to 11°C (53°F) at its peak. September also experiences higher humidity at 85%, compared to April's 80%. Additionally, September receives more precipitation, with about 80 mm (3.1 in) over 16 days, whereas April has a total of 65 mm (2.6 in) over the same number of days. For a detailed look at the weather conditions in April, you can visit Klaksvik weather in April.

Comparing the weather in September and May reveals some intriguing similarities and differences. Both months feature a maximum temperature of 14°C (58°F), but September's average temperature is slightly warmer at 10°C (51°F) compared to May's 7°C (45°F). In terms of precipitation, September experiences higher rainfall at 80 mm (3.1 in), while May records 59 mm (2.3 in), yet both months see precipitation on about 16 days. Humidity levels are quite comparable as well, with September at 85% and May at 84%. For those interested in a detailed view of May weather, you can visit Klaksvik weather in May.

In comparing the weather between September and June, we see that both months experience similar temperature ranges, with September averaging slightly warmer at 10°C (51°F) compared to June's 9°C (49°F). Both months have minimum temperatures around 4°C (39-40°F), while the maximum temperatures peak at 14°C (57-58°F). However, September typically sees more precipitation, with an average of 80 mm (3.1 in) over 16 days, whereas June has 58 mm (2.3 in) over just 13 days. The humidity levels are quite similar, with September at 85% and June at 84%. For those interested in specifics about June's weather, click here: Klaksvik weather in June.

In comparison to July, September experiences slightly cooler temperatures, with average highs reaching 14°C (58°F) compared to July's peak of 17°C (64°F). The minimum temperatures are also lower in September, averaging 4°C (40°F) versus July's 6°C (44°F). Alongside the cooler climate, September sees more precipitation, totaling 80 mm (3.1 in) over 16 days, while July has less rainfall at 58 mm (2.3 in) over 15 days. Humidity levels remain high in both months, with September at 85% and July slightly higher at 88%. For more detailed insights, you can explore Klaksvik weather in July.

In comparing the weather between August and September, September tends to be cooler, with average temperatures dropping slightly from 11°C (52°F) in August to 10°C (51°F). The minimum temperature in September is also lower, at 4°C (40°F) compared to 7°C (44°F) in August. Additionally, September sees increased precipitation, measuring 80 mm (3.1 in) over 16 days, as opposed to 60 mm (2.4 in) over 14 days in August. Despite these changes, both months maintain a consistent humidity level of 85%. For a closer look at the climate during August, you can view more details here: Klaksvik weather in August.

September and October exhibit noticeable changes in weather, marked by a gradual drop in temperatures and an increase in precipitation. In September, the average temperature is around 10°C (51°F), with highs reaching 14°C (58°F), while October sees a further decline to an average of 8°C (47°F) and a maximum of 13°C (55°F). Rainfall also intensifies as October brings 115 mm (4.5 in) of precipitation over 21 days, compared to September’s 80 mm (3.1 in) over 16 days. Humidity remains relatively stable, slightly increasing from 85% in September to 86% in October. For a more detailed look at October conditions, check out Klaksvik weather in October.

In September, the weather tends to be milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (58°F), and an average of 10°C (51°F). With 80 mm (3.1 in) of precipitation over 16 days, humidity levels are high at 85%. In contrast, November sees cooler temperatures, with a minimum of 0°C (32°F), an average of 6°C (43°F), and a maximum of 12°C (54°F). Rainfall increases slightly to 94 mm (3.7 in) over 18 days, while humidity stays relatively stable at 82%. For a detailed look at November conditions, visit Klaksvik weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (58°F), while the average sits at 10°C (51°F). This month sees about 80 mm (3.1 in) of precipitation spread over approximately 16 days, accompanied by high humidity levels at 85%. By contrast, December brings cooler temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 11°C (51°F), with an average temperature of 5°C (42°F). Precipitation increases to 122 mm (4.8 in) over 18 days, with slightly lower humidity at 77%. For more detailed information, check the Klaksvik weather in December.

Compare Klaksvik's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Klaksvik

As September unfolds in Klaksvik, it ushers in a distinct transition from the warmer summer months, marked by cooler temperatures and increased precipitation. With an average temperature of around 10°C (51°F), the air carries a crispness that hints at the forthcoming autumn. The month is characterized by higher humidity levels and frequent rain, with nearly half the days experiencing precipitation, contributing to a lush and vibrant landscape. This shift not only influences daily activities but also invites a different charm to the breathtaking scenery. Visitors are encouraged to embrace the dynamic weather that September brings, making it a unique experience compared to the sunnier days of summer. For more insights on the region's weather patterns, check out Klaksvik Climate.