Last updated: March 17, 2025
In September, Hvammstangi, Iceland, experiences a dynamic climate characterized by a maximum temperature reaching 14°C (58°F) and an average of 8°C (46°F). As the month progresses, temperatures can dip to a minimum of 0°C (33°F), emphasizing the transition into the cooler autumn months. Rainfall is significant, with an average precipitation of 168 mm (6.6 in) spread across 20 days, resulting in a humidity level of 92% that cloaks the area in a misty atmosphere. This blend of temperatures and moisture creates a unique and enchanting backdrop, perfect for exploring the stunning natural beauty that Iceland is renowned for.
In Hvammstangi, Iceland, September marks a subtle transition toward cooler temperatures, reflecting the onset of autumn. The month begins with milder conditions, featuring minimum temperatures around 0°C (33°F), an average of 8°C (46°F), and a pleasant maximum of 14°C (58°F). As the month progresses, you'll notice a gradual shift from the more temperate late summer months, with averages dipping from 10°C (49°F) in August. This trend signals the approach of winter, as temperatures lower further in October, making September a beautiful time to enjoy Iceland's stunning landscapes before they embrace heavy snowfall. The cool, crisp air invites exploration, perfect for those eager to experience Iceland's natural beauty during this transitional period.
In Hvammstangi, Iceland, September marks a significant uptick in precipitation, with a remarkable 168 mm (6.6 in) of rainfall, making it one of the wettest months of the year. This surge in precipitation is accompanied by an increase in rainy days, totaling 20 days, indicating that autumn is truly setting in. In contrast to the drier summer months, such as May and June, which see less than 75 mm of rain, September heralds a shift as the landscape embraces more frequent showers. This trend continues through October, albeit with a decrease to 109 mm (4.3 in), establishing a clear pattern of wetter conditions leading into the fall. Overall, September serves as a pivotal month in the transition from summer's relative dryness to the more consistently moist autumn climate in Hvammstangi.
In Hvammstangi, Iceland, September marks a notable shift in humidity levels, with a significant 92% humidity that reflects the fading warmth of summer. As the year progresses, humidity begins its gradual decline from a peak of 96% in January, dipping to an annual low of 81% in June. The summer months of July and August see a slight uptick, attributed to the lingering warm days, but September brings a resurgence of moisture as autumn approaches. This increase to 92% signals the transition to cooler weather, as Iceland's distinctive climate showcases its characteristic dampness year-round, with only a modest fluctuation as the seasons change.
In September, the UV index in Hvammstangi, Iceland drops to 3, reflecting a moderate exposure category. As summer fades, this slight decrease from the peak in June signifies a transition towards cooler months, yet it still warrants caution with a burn time of 30 minutes. Interestingly, the UV index has shown a consistent pattern throughout the months, starting low in winter and gradually climbing to a high of 6 in June, before tapering off again. This trend emphasizes the need for sun protection even as autumn approaches. For further details, check out the complete Hvammstangi UV Index.
UV Risk Categories
As summer gives way to autumn, September in Hvammstangi, Iceland, sees a notable shift in daylight, with 135 hours of sunshine gracing the month. This marks a gentle decline from the vibrant 278 hours in May, ushering in the cooler months. The sunlight begins to wane significantly as October approaches, which only captures 81 hours, a stark contrast to the long, bright days of summer. Despite this decrease, September offers a harmonious blend of daylight and brisk autumn air, allowing residents and visitors alike to relish the last remnants of summer's warmth before the long winter nights set in. The ebbing sunshine creates an enchanting atmosphere, perfect for exploring the stunning landscapes that Iceland is renowned for.
In September, the likelihood of experiencing sunny weather in Hvammstangi, Iceland, is relatively low, with a mere 11% chance of sunshine. This marks the tail end of summer, following months where the chances fluctuated between 12% and 41%. As the year transitions into autumn, the trend shows a gradual decline in sunny days, peaking in May and steadily dipping into the subsequent months, ultimately leading to October's 14%. Thus, while September may offer glimpses of sun, it is generally dominated by overcast skies, reflecting Iceland's characteristic, ever-changing weather patterns.
September in Hvammstangi, Iceland, marks a noticeable transition as the summer's abundant daylight begins to wane. After basking in nearly 22 hours of sunlight in June, residents now experience about 12 hours of daylight as the days shorten. This gradual decline continues from the vibrancy of summer into the crisp autumn air, where daylight dwindles from August's 16 hours. As the year progresses, September serves as a poignant reminder of nature's rhythm, bridging the long, sun-soaked days of summer with the impending shorter daylight hours of fall. The shift in daylight not only brings a change in scenery but also invites a deeper appreciation for the beauty of every fleeting moment.
In September, Hvammstangi, Iceland, greets a refreshing change in the air as the average wind speed rises to 6.0 m/s (13 mph). This marks a notable transition from the calm of summer; August experiences its lowest winds at 3.5 m/s (8 mph). As autumn sets in, the winds begin to pick up pace, approaching the brisk conditions typical of the coming months. Following September, October takes a slight leap to 6.7 m/s (15 mph), hinting at the impending chill of winter. This month serves as a delightful bridge, where the gentle, temperate winds encourage outdoor exploration while signaling the onset of a more robust breeze that characterizes Iceland's land of fire and ice.
The weather in Hvammstangi 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 Hvammstangi and find detailed weather information for every month.
When comparing the weather in September and January, distinct differences emerge. September experiences milder temperatures, with a minimum of 0°C (33°F) and an average of 8°C (46°F), while January's temperatures can plummet to a minimum of -11°C (12°F) and average around -1°C (30°F). Precipitation levels are higher in September, recording 168 mm (6.6 in) over approximately 20 days compared to January's 93 mm (3.6 in) over 17 days. Additionally, humidity is slightly lower in September at 92%, whereas January sees a higher humidity level of 96%. For a more in-depth look at January weather in Hvammstangi, you can visit Hvammstangi weather in January.
September weather in Hvammstangi features a milder temperature range, with a minimum of 0°C (33°F) and a maximum of 14°C (58°F), averaging around 8°C (46°F). This month experiences significant precipitation, totaling 168 mm (6.6 in) over approximately 20 days, accompanied by high humidity at 92%. In contrast, February is much colder, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 7°C (46°F), averaging -1°C (31°F). The precipitation is lighter at 91 mm (3.6 in) over 17 days, yet humidity remains high at 95%. For more detailed climate information, check Hvammstangi weather in February.
September and March present quite contrasting weather patterns. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), with a comfortable average of 8°C (46°F). The month is relatively wet, receiving 168 mm (6.6 in) of precipitation over 20 days, while humidity remains high at 92%. In contrast, March is chillier, with temperatures dropping as low as -10°C (15°F) and an average of 0°C (32°F). The maximum temperature is only 8°C (47°F), and precipitation is significantly lower at 85 mm (3.3 in) over 17 days, though humidity is slightly higher at 94%. For more detailed information, you can check Hvammstangi weather in March.
When comparing the weather in September and April, one can see notable differences. September typically experiences milder temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), with an average of 8°C (46°F). The month is also characterized by higher precipitation, receiving 168 mm (6.6 in) over the course of 20 days and exhibiting high humidity at 92%. In contrast, April is generally colder, with temperatures dipping as low as -10°C (15°F) and peaking at 10°C (51°F), averaging only 2°C (36°F). This month brings less precipitation, totaling 76 mm (3.0 in) over 14 days, along with slightly lower humidity at 87%. For more detailed information on April weather, you can refer to Hvammstangi weather in April.
In comparing the weather of September and May, both months exhibit similar maximum temperatures, peaking at 14°C (58°F). However, September tends to be milder on average, with a minimum temperature of 0°C (33°F), while May experiences slightly cooler temps, dipping to -2°C (28°F). September is notably wetter, with a high precipitation level of 168 mm (6.6 in) occurring over 20 days, compared to May's lighter rainfall of 63 mm (2.5 in) spread across 14 days. Additionally, September's humidity is higher at 92%, compared to 85% in May, making September feel more humid overall. For a more detailed look at May weather conditions, visit Hvammstangi weather in May.
September presents a cooler climate compared to June, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 14°C (58°F), averaging around 8°C (46°F). In contrast, June enjoys slightly milder conditions, with temperatures starting at 2°C (35°F) and reaching up to 15°C (60°F), while also averaging 7°C (46°F). Additionally, September experiences significantly more precipitation, totaling 168 mm (6.6 in) over 20 days, compared to June, which sees 72 mm (2.8 in) across 14 days. The humidity is also notably higher in September at 92%, versus 81% in June. For more detailed weather information specific to June, you can visit Hvammstangi weather in June.
When comparing the weather of September and July, it's clear that September experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (46°F), compared to July's warmer minimum of 5°C (40°F) and an average of 9°C (49°F). Additionally, September sees more precipitation, recording 168 mm (6.6 in) over 20 days, while July has significantly less rainfall of 85 mm (3.3 in) spread across 15 days. Humidity is also higher in September at 92%, compared to July's 86%, contributing to a distinctly more damp atmosphere as summer transitions to autumn. For a closer look at July's weather specifics, you can check Hvammstangi weather in July.
In comparing the weather between August and September, it’s evident that September brings cooler temperatures, with an average of 8°C (46°F) compared to August's warmer average of 10°C (49°F). The minimum temperatures also drop significantly, from 4°C (39°F) in August to a chilly 0°C (33°F) in September. Additionally, September experiences much higher precipitation levels, totaling 168 mm (6.6 in) over 20 days, whereas August has a milder 82 mm (3.2 in) across 15 days. The humidity also rises slightly in September to 92%, compared to 88% in August. For further insights into August weather patterns, check out Hvammstangi weather in August.
September typically experiences milder temperatures compared to October, with average highs reaching 14°C (58°F) versus October's average maximum of 10°C (50°F). The minimum temperatures also drop from 0°C (33°F) in September to -5°C (24°F) in October, indicating a notable cooling trend as autumn progresses. While total precipitation decreases from 168 mm (6.6 in) in September to 109 mm (4.3 in) in October, both months see similar humidity levels, with September at 92% and October slightly higher at 93%. For more detailed information on the weather in October, you can check Hvammstangi weather in October.
September and November present contrasting weather patterns as autumn transitions towards winter. In September, temperatures range from a mild minimum of 0°C (33°F) to a maximum of 14°C (58°F), with an average of 8°C (46°F). The month is characterized by significant precipitation, totaling 168 mm (6.6 in) over 20 days, and a high humidity level of 92%. In contrast, November sees colder temperatures, with a minimum of -10°C (15°F) and an average of just 1°C (34°F). The maximum temperature reaches 11°C (52°F), but the overall precipitation drops to 85 mm (3.4 in) across 17 days, accompanied by a slight increase in humidity at 94%. This shift highlights a marked transition to colder and wetter conditions as the year draws to a close. For more detailed insights, you can visit Hvammstangi weather in November.
In September, the weather is characterized by milder temperatures, with averages around 8°C (46°F) and a maximum of 14°C (58°F). The month sees significant precipitation, accumulating to 168 mm (6.6 in) over approximately 20 days, paired with high humidity levels at 92%. In contrast, December brings much colder conditions, with average temperatures hovering around 0°C (32°F) and maximums reaching 9°C (49°F), while the minimum can drop to -11°C (13°F). Although December experiences less precipitation, totaling 110 mm (4.3 in) over 19 days, the humidity remains notably high at 95%. For more detailed information about December weather, you can visit Hvammstangi weather in December.
As September unfolds in Hvammstangi, the weather marks a significant transition, with the landscape shifting toward the chillier embrace of autumn. Temperatures begin to cool, averaging around 8°C, while the maximums remind us of summer’s lingering warmth. It’s a month characterized by frequent rain, with about two-thirds of September graced by precipitation, adding to the region's lush scenery. The high humidity level—around 92%—creates a dense, misty atmosphere, unique to this time of year. This combination of cooler temperatures and increased moisture sets September apart, making it a vibrant and dynamic month for visitors. To learn more about what to expect throughout the year in this beautiful area, check out Hvammstangi Climate.