Last updated: March 17, 2025
Experience the weather in Aberdeen, United Kingdom during September, where the average temperature hovers around 13°C (55°F), peaking at a comfortable 18°C (65°F) and dipping to a cool 8°C (47°F). This month is characterized by high humidity levels at 89%, contributing to a refreshing coastal atmosphere. Expect 78 mm (3.1 in) of rainfall spread over approximately 14 days, making it wise to keep an umbrella handy while exploring the vibrant city. Whether you're enjoying the scenic coastline or delving into the local culture, September in Aberdeen promises a blend of cool temperatures and charming wet weather.
As summer gives way to autumn in Aberdeen, United Kingdom, September showcases a gentle transition in temperatures. With minimums around 8°C (47°F) and maximums peaking at 18°C (65°F), the month maintains a mild charm, averaging a comfortable 13°C (55°F). This slight dip from the warmer summer months is evident, as September marks the onset of cooler days, inviting a cozy sweater or jacket. Notably, while temperatures start to decline, they remain significantly warmer than the chill of winter months just ahead, making September an ideal time for outdoor explorations against the backdrop of early autumn foliage.
In September, Aberdeen experiences a notable spike in precipitation, with an average of 78 mm (3.1 in) falling over approximately 14 days. This increase marks a shift from the relatively moderate rainfall of the summer months, as it transitions into autumn. The month is characterized by its distinctive blend of overcast skies and brisk winds, contributing to the city’s picturesque yet often drizzly ambiance. This autumnal onset heralds the transition into wetter months ahead, particularly October, which records a sharper increase in both precipitation levels and rainy days. The trend reflects a clear seasonal pattern in Aberdeen, where the weather evolves from summer warmth to the cooler, rainier days of fall.
As September rolls into Aberdeen, the city experiences a notable uptick in humidity, reaching 89%—one of the highest levels for the year. This increase marks a shift from the relatively stable humidity levels of the summer months, which hovered around 83% to 85%. The transition into autumn signals not only a rise in moisture but also sets the stage for the consistently humid conditions that follow in October and November, both matching September's levels. With winter on the horizon, the trend towards higher humidity indicates that the climate in Aberdeen remains characteristically damp, especially as the year draws to a close.
As summer transitions into autumn, September in Aberdeen sees a moderate UV Index of 5, necessitating a 30-minute burn time for those exposed to the sun. This marks a decrease from the peak levels of July and August, where the index reached highs of 7 and 6, respectively. Before this, the index steadily increased from a low 1 in January to a high of 8 in June. The overall trend showcases a gradual reduction in solar intensity as the month progresses into fall, reminding residents and visitors to stay sun-smart during this transition. For a detailed overview of the UV Index throughout the year, check out Aberdeen UV Index.
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September in Aberdeen marks a delightful transition as summer’s warmth lingers just a bit longer. With 314 hours of sunshine, it stands out as a robust month, reflecting a gentle decline from the peak of July with 435 hours. This notable sunshine allocation not only bridges the vibrant summer months of May and June, but also hints at the approaching autumn, as October experiences a significant drop to 230 hours. It's a month that invites exploration and outdoor activities, as locals and visitors alike savor the golden rays before they grow scarce, echoing the overall trend of decreasing daylight as the year wanes.
As summer transitions into autumn, September in Aberdeen typically brings a modest chance of sunny weather, with the likelihood of sunshine hovering around 26%. This figure, while slightly higher than the later months of the year, indicates a continuation of the trend where sunny days become less frequent as the seasons change. The peak of sunshine occurs in April, with 45%, followed by a gradual decline through the warmer months of June and July. Although September's sun chances might dim compared to the balmy days of summer, the crisp air and occasional brighter spells still offer moments of delight for those wandering through the scenic landscapes of this coastal city.
As September arrives in Aberdeen, the days are beginning to shorten, offering about 12 hours of daylight. This marks a gentle decline from August's 15 hours, signaling the transition from the long, sunlit days of summer to the crisper autumn months ahead. The steady increase in daylight from January's 7 hours to June's peak of 17 hours reflects the gradual lengthening of days, a natural rhythm that captivates residents and visitors alike. As we move into October, daylight will drop to 10 hours, reminding us that winter is on the horizon and inviting a cozy embrace of shorter, mellower days.
As September unfolds in Aberdeen, the average wind speed settles at 4.7 m/s (10 mph), reflecting a slight increase from the calmer months of July and August. This gentle breeze provides a tranquil backdrop as summer transitions into autumn, giving way to a more brisk and invigorating atmosphere. Notably, the winds begin to pick up in the following months, with October and November bringing gusts up to 6.7 m/s (15 mph) and 7.2 m/s (16 mph) respectively. This trend highlights how Aberdeen's weather evolves with the season, fostering a dynamic landscape where the air carries the whispers of changing times, inviting both locals and visitors to embrace the refreshing shift.
The weather in Aberdeen 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 Aberdeen and find detailed weather information for every month.
In September, the weather tends to be milder, with average temperatures ranging from a minimum of 8°C (47°F) to a comfortable maximum of 18°C (65°F), accompanied by significant precipitation of 78 mm (3.1 in) over 14 days and high humidity at 89%. In contrast, January experiences colder temperatures, with an average low of 0°C (33°F) and a maximum of 12°C (54°F). Although January sees less rainfall, totaling 49 mm (1.9 in) over 11 days, it still maintains a similar humidity level at 88%. For more details on the winter climate, you can check Aberdeen weather in January.
When comparing the weather in September and February, notable differences emerge. September tends to be milder, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 18°C (65°F) and an average of 13°C (55°F). In contrast, February is much cooler, with temperatures reaching a minimum of -1°C (30°F) and a maximum of 11°C (52°F), averaging at 5°C (42°F). While both months experience precipitation on about 14 days, September sees slightly more rainfall at 78 mm (3.1 in) compared to February’s 67 mm (2.7 in). Humidity levels are also comparable, with September at 89% and February slightly lower at 86%. For more detailed weather insights, you can check Aberdeen weather in February.
In comparing the weather between September and March, we can observe notable differences in temperature and precipitation patterns. September features milder temperatures, with a minimum of 8°C (47°F) and an average of 13°C (55°F), peaking at a maximum of 18°C (65°F). In contrast, March is considerably cooler, with temperatures ranging from a minimum of -1°C (30°F) to an average of 6°C (43°F), and a maximum of 12°C (54°F). While September experiences more precipitation (78 mm or 3.1 in) across 14 days, March has slightly less (64 mm or 2.5 in), also spread over 14 days. Humidity levels remain fairly consistent, with September at 89% and March at 85%. For more detailed insights on March weather, visit Aberdeen weather in March.
September and April present contrasting weather conditions. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 18°C (65°F), averaging around 13°C (55°F). This month also sees a higher level of precipitation at 78 mm (3.1 in) over approximately 14 days, coupled with a humidity level of 89%. In contrast, April experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), while the average temperature is only 7°C (44°F). Precipitation is significantly lower at 37 mm (1.5 in) across 8 days, and humidity levels are slightly less at 83%. For more details, you can check out the Aberdeen weather in April.
When comparing the weather in September and May, September generally offers milder temperatures, with an average of 13°C (55°F) and maximums reaching 18°C (65°F), while May has cooler averages of 9°C (49°F) and maximums of 15°C (58°F). Additionally, September experiences higher precipitation levels, totaling 78 mm (3.1 in) over about 14 days, compared to May's 55 mm (2.1 in) across 12 days. Humidity levels are also slightly higher in September at 89%, as opposed to May's 83%. For more detailed information, check out Aberdeen weather in May.
When comparing the weather in September and June, we can observe some notable differences. September typically sees slightly warmer temperatures with a maximum of 18°C (65°F) compared to June's peak of 19°C (66°F), although June has a marginally lower minimum temperature of 7°C (45°F) against September's 8°C (47°F). In terms of precipitation, September experiences more rainfall with 78 mm (3.1 in) over 14 days, while June has less at 67 mm (2.6 in) spread across 10 days. Humidity levels are also higher in September at 89%, compared to June's 83%. For a closer look at June's weather specific to Aberdeen, you can visit Aberdeen weather in June.
In comparing the weather between July and September, we find that July tends to be slightly warmer, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (70°F), compared to September, which has a minimum of 8°C (47°F) and a maximum of 18°C (65°F). Both months see similar levels of precipitation—July exhibits 77 mm (3.0 in) across 13 days, while September has slightly higher rainfall at 78 mm (3.1 in) over 14 days. Additionally, humidity levels are marginally higher in September at 89% versus 85% in July, contributing to a more damp feel as summer transitions into autumn. For a more detailed look at July's weather, you can check out Aberdeen weather in July.
In comparing the weather between August and September, we notice some distinct differences. September sees a slight drop in temperatures, with minimums of 8°C (47°F) compared to 10°C (50°F) in August, and an average of 13°C (55°F) versus 14°C (58°F). Both months have the same maximum temperature of 18°C (65°F), but September experiences more precipitation at 78 mm (3.1 in) over 14 days, compared to August's 61 mm (2.4 in) over 12 days. The humidity levels also rise slightly in September at 89%, compared to 83% in August. For a detailed look at the weather in August, you can visit Aberdeen weather in August.
In comparing the weather of September and October, we notice a slight decline in temperatures as October brings a minimum of 5°C (41°F) and an average of 11°C (52°F), down from September's minimum of 8°C (47°F) and average of 13°C (55°F). While both months share a high humidity level of 89%, October experiences increased precipitation, totaling 117 mm (4.6 in) over 19 days, compared to September's 78 mm (3.1 in) over 14 days. This shift indicates that October tends to be wetter and a bit cooler, marking a transition into the more typical autumn weather. For more specific information, you can check Aberdeen weather in October.
September and November present distinct shifts in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). The month experiences moderate precipitation of 78 mm (3.1 in) over 14 days, along with high humidity levels at 89%. In contrast, November sees cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 14°C (58°F), averaging at 8°C (47°F). It also tends to be wetter, with precipitation totaling 108 mm (4.3 in) over 18 days and a slight increase in humidity to 90%. For more details about November's climate, you can visit Aberdeen weather in November.
September and December present a distinct contrast in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). This month experiences around 78 mm (3.1 in) of precipitation spread over 14 days, accompanied by relatively high humidity at 89%. In contrast, December sees cooler conditions, with temperatures dropping to a minimum of 0°C (31°F) and a maximum of 12°C (54°F), averaging 6°C (44°F). While December has slightly more precipitation at 90 mm (3.5 in) over 17 days, the humidity is somewhat lower at 86%. For more insights, check out Aberdeen weather in December.
As September rolls in, Aberdeen’s weather begins to shift, offering a fresh blend of mild temperatures and increased moisture. While the month can still enjoy some sunny days, the average temperature dips compared to the summer months, making it feel noticeably cooler. With higher humidity levels and frequent rainfall—a stark contrast to the drier summer—September ushers in a more unpredictable climate, often characterized by overcast skies. This transitional period signals the approach of autumn, inviting residents and visitors alike to experience Aberdeen's charm amidst the changing scenery. For a detailed overview of what to expect throughout the year, check out the full information at Aberdeen Climate.