Last updated: March 17, 2025
September in Reydarfjörður, Iceland presents a captivating blend of cool temperatures and abundant rainfall. With maximum daily highs reaching 18°C (65°F) and an average temperature of 6°C (44°F), visitors can experience the crispness of early autumn. As the month progresses, temperatures can drop to a minimum of -3°C (26°F), reminding us of the approaching winter. Rainfall is a prominent feature during this time, accumulating to 153 mm (6.0 inches) over approximately 18 days, contributing to the region's lush landscapes. The high humidity at 90% adds to the unique atmospheric charm, making September an intriguing time to explore the natural beauty and serenity of Reydarfjörður.
As September unfolds in Reydarfjörður, Iceland, the transition from the warmth of summer to the chill of autumn is palpable. With temperatures ranging from a brisk -3°C (26°F) at night to a pleasant 18°C (65°F) during the day, this month marks a notable shift in the climate. The average temperature settles around 6°C (44°F), slightly cooler than August’s warmth, yet still inviting for those eager to explore the stunning landscapes. As the days shorten and the vibrant hues of fall begin to emerge, Reydarfjörður offers a unique experience, balancing the remnants of summer's mildness with the crispness of approaching winter.
In September, Reydarfjörður experiences a notable uptick in precipitation, receiving a substantial 153 mm (6.0 in) of rainfall over the month, marking it as a transition from summer's relatively drier spell to autumn's wetter climate. This increase is reflected in the 18 days of precipitation, making it one of the wetter months in the year. September's rainfall, while less than October's peak (at 217 mm), signifies a significant shift as it connects the drier summer months, where rainfall hovered around 77 mm to 101 mm, to the more extreme autumn conditions. Overall, September sets the stage for the approaching winter, with its rainfall playing a crucial role in refreshing the landscape and replenishing water sources.
In Reydarfjörður, Iceland, September marks a transition as humidity levels settle at a comfortable 90%, reflecting the region's relatively moist climate. The month follows a summer peak in July, where humidity reaches 93%, and remains close to the August figure of 91%. This slight decrease suggests the onset of autumn, dropping just a tad as compared to the high summer months. Overall, humidity in Reydarfjörður exhibits an upward trend from the beginning of the year, peaking in the mid-summer months before slightly tapering off as the seasons change, creating a unique atmospheric experience for those who visit during this time.
As September rolls in, Reydarfjoerdur experiences a moderate UV Index of 3, suggesting a slight decrease in sun intensity compared to the summer months. This transitional period marks a shift from the high levels seen in June and July, where outdoor activities required more caution due to elevated UV exposure. With a burn time of 30 minutes, it remains essential to be mindful of sun safety, particularly during midday hours. As the days grow shorter, the UV Index continues to trend downwards, leading into the cooler autumn months. For detailed information and daily updates, check the Reydarfjoerdur UV Index.
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In Reydarfjördur, Iceland, September marks a delightful transition, offering 188 hours of sunshine that beautifully bridges the vibrant light of summer and the impending chill of autumn. Following the sun-drenched days of July, which boasts the most sunlight at 317 hours, the decrease is noticeable yet gentle as the days begin to shorten. This month reflects a significant drop from August's 258 hours, signaling the gradual retreat of summer but still retaining enough brightness to enchant visitors. As the year progresses into October with just 104 hours, September stands out as a significant moment to soak in the lingering warmth and enjoy the stunning landscapes bathed in soft sunlight.
In Reydarfjörður, Iceland, the likelihood of enjoying sunny weather in September sits at a moderate 25%, placing it among the more promising months for daylight. As summer fades, the chance of clear skies seeing a boost from the warmer July peak at 39% begins to wane, with September showing a slight dip compared to August's 21%. This transition indicates a gradual move toward autumn, yet offers a flicker of hope for sun seekers. Notably, early fall retains more sunshine than the drearier winter months that follow, with October plummeting to just 10%. Thus, while September may not offer a guarantee of sunshine, it holds its own as a delightful bridge between the vibrant summer and the moody winter days ahead.
As summer transitions into autumn in Reydarfjördur, Iceland, the daylight duration begins to wane significantly. In September, daylight lasts for an inviting 12 hours, a gentle tapering from the 16 hours experienced in August. This month marks a noticeable shift, signaling the gradual retreat of the midnight sun that graced the region during the summer months. Following a peak of 21 hours in June, the diminishing light becomes a prelude to the shorter days of October and November, where daylight retreats further to just 9 hours and then 6 hours, respectively. The rhythm of nature underscores the changing seasons, inviting the inhabitants and visitors alike to savor the beautiful landscapes bathed in the softening light of early autumn.
As summer wanes and autumn approaches, September in Reydarfjörður, Iceland, brings a gentle breeze with an average wind speed of 3.0 m/s (7 mph). This slight uptick marks a transition from the calmer days of August, which recorded its lowest winds of the year at 2.2 m/s (5 mph). Notably, the wind speeds during September mirror those of the early spring months, signaling a consistent pattern of refreshing gusts that accompany the shifting seasons. As the landscape transforms with fall colors, the invigorating winds add a vibrant touch to the serene fjord, making September a remarkable time for both exploration and reflection in this stunning corner of Iceland.
The weather in Reydarfjoerdur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Reydarfjoerdur and find detailed weather information for every month.
In September, temperatures in Reydarfjörður range from a chilly -3°C (26°F) at night to a more moderate 18°C (65°F) during the day, resulting in an average of 6°C (44°F). The month is characterized by significant precipitation, with 153 mm (6.0 in) falling over 18 days and high humidity levels reaching 90%. In contrast, January sees much colder temperatures, with nighttime lows dropping to -19°C (-3°F) and daytime highs peaking at 8°C (46°F), averaging around -2°C (28°F). Precipitation decreases slightly to 123 mm (4.9 in) over 15 days, accompanied by a lower humidity level of 84%. For more details, check out Reydarfjoerdur weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -3°C (26°F) to a mild 18°C (65°F), with an average of 6°C (44°F). The month sees significant precipitation at 153 mm (6.0 in) over 18 days and high humidity levels around 90%. Conversely, February experiences much colder temperatures, with a range of -16°C (4°F) to 7°C (45°F) and an average of -2°C (29°F). This month is wetter as well, with total precipitation reaching 212 mm (8.4 in) over 20 days, while humidity hovers around a lower 85%. For a detailed look at February conditions in Reydarfjoerdur, check out Reydarfjoerdur weather in February.
September and March present contrasting weather patterns, reflecting the transition from late summer to early spring. In September, temperatures range from a minimum of -3°C (26°F) to a maximum of 18°C (65°F), with an average of 6°C (44°F). The month experiences significant rainfall, accumulating 153 mm (6.0 in) over 18 days and a high humidity level of 90%. In contrast, March sees colder temperatures, with a minimum of -13°C (9°F) and a maximum of 10°C (50°F), averaging -1°C (30°F). Precipitation is slightly lower at 146 mm (5.7 in) over 17 days, accompanied by a humidity level of 87%. For those interested in detailed insights, visit Reydarfjoerdur weather in March.
In comparing the weather of September and April, September generally offers milder conditions, with average temperatures ranging from a chilly 6°C (44°F) to a warm 18°C (65°F). In contrast, April sees colder temperatures, with averages peaking at only 8°C (47°F) and dipping as low as -12°C (11°F). Furthermore, September is marked by heavier precipitation, totaling 153 mm (6.0 in) over 18 days, compared to April's 94 mm (3.7 in) spread over just 13 days. Despite higher rainfall in September, April maintains a slightly lower humidity level at 86%, compared to September's 90%. For more detailed weather insights for April, you can check Reydarfjoerdur weather in April.
When comparing the weather in September and May, September generally presents milder temperatures, with a maximum average of 18°C (65°F) compared to May's maximum of 15°C (59°F). However, May experiences slightly cooler minimum temperatures, dropping as low as -7°C (19°F) versus September's minimum of -3°C (26°F). Precipitation levels are higher in September, with 153 mm (6.0 in) of rain over 18 days, while May sees a relatively drier month with 90 mm (3.5 in) over 16 days. Humidity levels are similar, sitting at 90% in September and 88% in May. For a detailed look at May weather patterns, you can visit Reydarfjoerdur weather in May.
When comparing the weather in September and June, we observe some notable similarities and differences. Both months experience relatively cool temperatures, with September having a minimum of -3°C (26°F) and an average of 6°C (44°F), while June features slightly milder conditions with a minimum of -2°C (29°F) and an average of 7°C (45°F). However, September tends to be wetter, receiving 153 mm (6.0 in) of precipitation over 18 days, compared to June’s 101 mm (4.0 in) across 16 days. Humidity remains consistent in both months at 90%, but the overall feel is more rain-soaked in September compared to the drier early summer days in June. For a closer look at June's weather specifics, you can visit Reydarfjoerdur weather in June.
In comparing the weather of September and July, September tends to be much cooler, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 18°C (65°F), while July has milder temperatures, ranging from a minimum of 2°C (35°F) to a maximum of 20°C (68°F). Additionally, September sees significantly more precipitation, accumulating 153 mm (6.0 in) over 18 days, compared to July's 77 mm (3.0 in) over 15 days. Humidity levels are high in both months, with September at 90% and July slightly higher at 93%. For more detailed information about July weather in this region, you can visit Reydarfjoerdur weather in July.
September weather is notably cooler than August, with minimum temperatures dipping to -3°C (26°F) compared to August's min temperature of 1°C (34°F). The average temperature in September is 6°C (44°F), slightly lower than August's average of 9°C (48°F), while the maximum temperatures are also cooler, reaching only 18°C (65°F) in September versus 21°C (70°F) in August. Additionally, September sees significantly more precipitation with 153 mm (6.0 in) accumulated over 18 days, compared to August's 83 mm (3.3 in) over 17 days, with humidity levels remaining high in both months at around 90% for September and 91% for August. For a detailed look at August weather in Reydarfjoerdur, visit Reydarfjoerdur weather in August.
September and October present a marked shift in weather conditions. September enjoys milder temperatures with a minimum of -3°C (26°F), an average of 6°C (44°F), and a maximum of 18°C (65°F). Precipitation during this month totals 153 mm (6.0 in) over 18 days, with a consistent humidity level of 90%. In contrast, October brings a substantial drop in temperature, with minimums reaching -11°C (12°F) and an average of only 2°C (36°F), while the maximum temperature peaks at 9°C (48°F). Additionally, October experiences increased precipitation at 217 mm (8.5 in) across 21 days, maintaining the same high humidity of 90%. For more details on the specific weather conditions in this month, you can refer to Reydarfjoerdur weather in October.
In comparing the weather between September and November, there is a marked shift in temperature and conditions. September experiences a more moderate climate with average temperatures around 6°C (44°F) and a maximum of 18°C (65°F), while November plunges to much colder averages, with typical temperatures hovering around -1°C (30°F) and a maximum of only 8°C (47°F). Although both months see a similar level of precipitation, with September at 153 mm (6.0 in) and November at 143 mm (5.6 in), November tends to feel more frigid due to its lower temperatures and slightly lower humidity at 88%. For those interested in detailed weather patterns, you can refer to Reydarfjoerdur weather in November.
When comparing the weather in September and December, notable differences emerge. September boasts a relatively mild climate with average temperatures around 6°C (44°F), fluctuating between a minimum of -3°C (26°F) and a maximum of 18°C (65°F). This month experiences a significant amount of rainfall, with 153 mm (6.0 in) over 18 days, and a high humidity level of 90% adds to the overall dampness. In contrast, December brings a much colder atmosphere, with average temperatures dropping to -3°C (28°F) and a chilly minimum of -19°C (-2°F) as opposed to the milder September. Precipitation increases in December to 214 mm (8.4 in) over the same number of wet days, although humidity tends to be slightly lower at 85%. For a more detailed look at December weather, you can explore Reydarfjoerdur weather in December.
As September rolls in, Reydarfjoerdur ushers in a transition that is distinctly different from the summer months. With average temperatures dipping to a cooler 6°C, the month brings a refreshing crispness that signals the onset of autumn. While the warmth of summer lingers with occasional peaks reaching 18°C, it is the frequent rainfall—with nearly two-thirds of the days experiencing precipitation—that adds a moody charm to the landscape. The high humidity levels, reaching 90%, make for a mysterious ambiance, often shrouding the fjords in ethereal mist. This unique blend of cooler temperatures and increased precipitation sets September apart, inviting nature enthusiasts and adventurers to experience Reydarfjoerdur’s splendid yet unpredictable beauty. Discover more about the region’s unique climate at Reydarfjoerdur Climate.