Last updated: March 17, 2025
Experience the charm of Alnwick, United Kingdom, in September, where the weather features a delightful mix of mild temperatures and occasional rain. With a maximum of 23°C (73°F) and an average temperature of 13°C (56°F), the month offers refreshing days, perfect for exploring this historic town. However, as temperatures dip to a minimum of 5°C (42°F), it’s wise to layer up for cooler evenings. Visitors can expect 63 mm (2.5 in) of precipitation over 13 days, contributing to the lush greenery that Alnwick is known for. Enhanced by an 87% humidity, the atmosphere adds a vibrant touch to this picturesque landscape, making September a memorable time to visit.
As September arrives in Alnwick, the transition from summer to autumn is palpable. With temperatures ranging from a comfortable 5°C (42°F) at night to a pleasant 23°C (73°F) during the day, the average temperature remains a mild 13°C (56°F). This time of year marks a notable peak in warmth before cooler months set in, echoing the seasonal shift from the warmer July and August. Notably, September is characterized by a significant drop from summer's heights, yet it still offers inviting days for exploration amidst the changing foliage. As the days grow shorter and the air crisper, visitors can enjoy the lingering warmth while preparing for the cozy charms of autumn.
September in Alnwick brings an average precipitation of 63 mm (2.5 in), spanning approximately 13 days of rain. This marks a noticeable decline from the summer months, which typically experience higher precipitation, peaking in August with 89 mm (3.5 in) over 15 days. As autumn begins, September’s rainfall contributes to an overall trend of increasing wetness as the year progresses, culminating in the wetter October, which averages 94 mm (3.7 in). This shift from the relatively drier months of spring and early summer sets the stage for the more persistent rains of autumn, ensuring that Alnwick's lush landscapes continue to thrive.
In September, Alnwick experiences a notable shift in humidity, rising to 87% after a summer dip. This increase marks a return to the higher moisture levels characteristic of autumn, aligning closely with the peak of January and October, both of which hover around 89% humidity. As the days grow shorter and cooler, the gradual rise in humidity reflects the seasonal transition, drawing a contrast with the relatively lower figures of July and August, which were in the low 80s. Overall, September's humidity serves as a gentle reminder of the impending winter months, while also showcasing the region's generally humid climate throughout the year.
As September rolls into Alnwick, the UV Index settles at a moderate level of 5, suggesting a shift from the high summer readings of 6 to 8. This transition marks a return to more tempered sun exposure, with an estimated burn time of 30 minutes for fair-skinned individuals. While still enjoying the remnants of summer, residents and visitors should remain mindful of sun safety as the days begin to shorten. September’s UV levels remind us that even as temperatures cool, the sun can still pose a threat. For detailed weekly updates and more information, visit Alnwick UV Index.
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As summer fades, September in Alnwick, United Kingdom, brings a gentle transition with 313 hours of sunshine, signaling a delightful blend of warmth and the onset of autumn. This month stands out as a softer glow compared to the sun-drenched days of July and May, which boast the most hours at 422 and 406 respectively. While the sunshine begins to wane, it still provides a generous amount of light, outshining the dreariness of the upcoming winter months like November and December, which dip to just 133 and 100 hours. September’s allure lies in its perfect balance—offering a last embrace of summer warmth while hinting at the crispness of fall, making it a captivating time to explore Alnwick’s scenic beauty.
In Alnwick, United Kingdom, the likelihood of sunny weather in September is relatively modest at 26%, positioning it alongside other late summer and early autumn months like July and October. As the summer transition approaches, it's evident that sunshine tends to retreat; August sees the lowest chance at 22%, followed by September. Interestingly, the arrival of spring in April marks a notable upswing, where sunny days peak at 50%, showcasing the potential for brighter skies as the year progresses. Overall, while September offers a touch of warmth and the beauty of early autumn, sun-seekers may want to temper their expectations, as the month ushers in cooler temps and cloudier days.
As summer gives way to autumn, September in Alnwick, United Kingdom, sees a gentle decline in daylight duration, with an average of 12 hours of light each day. This shift marks a transition from the long, sun-soaked days of summer, where June boasts a remarkable 17 hours of daylight, to the cooler, shorter months ahead. Following the vibrant months of May and June, which feature the year’s longest days, September offers a balanced amount of light, before falling to 10 hours in October and dipping further as winter approaches. This gradual change not only signals the arrival of autumn's hues but also invites locals and visitors alike to enjoy the lingering warmth of early fall days, while preparing for the longer nights that follow.
September in Alnwick brings a gentle breeze with an average wind speed of 4.1 m/s (9 mph), marking a slight uptick from the quieter summer months of July and August. As the seasons begin to transition, this consistent airflow hints at the upcoming change, reflecting a moderate resurgence compared to the summer's calmer days. While the winds are milder than those experienced in the brisk autumn months ahead, they set the stage for a refreshing shift, inviting locals and visitors alike to enjoy the vibrant early fall scenery framed by the rhythmic dance of leaves in the air.
The weather in Alnwick 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 Alnwick and find detailed weather information for every month.
September and January in Alnwick present quite a contrast in weather patterns. September enjoys mild temperatures, with a minimum of 5°C (42°F), average of 13°C (56°F), and a maximum reaching 23°C (73°F). The month sees an average precipitation of 63 mm (2.5 in) spread over 13 days and an 87% humidity level, making it feel quite comfortable yet occasionally wet.
In contrast, January is much colder, with temperatures dipping to a minimum of -2°C (29°F) and an average of just 5°C (41°F). The maximum temperature typically reaches only 13°C (57°F). Precipitation is slightly lower at 54 mm (2.1 in) over 11 days, and the humidity remains high at 89%, contributing to a chilly atmosphere. For those curious about the specifics of January's weather, you can find more information here: Alnwick weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a mild 5°C (42°F) at night to a pleasant high of 23°C (73°F) during the day, with an average of 13°C (56°F). This month experiences 63 mm (2.5 in) of precipitation over approximately 13 days, accompanied by high humidity at 87%. In contrast, February is much colder, with minimum temperatures dropping to -4°C (24°F) and maximum temperatures peaking at 14°C (57°F), averaging only 5°C (42°F). The precipitation increases slightly to 78 mm (3.1 in) over 14 days, maintaining the same humidity level of 87%. For a deeper dive into February's weather, you can check Alnwick weather in February.
In comparing the weather of September and March, there are notable differences in temperature and conditions. September enjoys a milder climate with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 23°C (73°F), while March experiences colder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (58°F). Although both months have similar levels of precipitation, with September at 63 mm (2.5 in) over 13 days and March slightly higher at 69 mm (2.7 in) over 12 days, the humidity levels remain fairly close, at 87% for September and 85% for March. For more detailed weather insights, check Alnwick weather in March.
In comparing the weather of September and April, September generally experiences milder temperatures, with average highs reaching 23°C (73°F) compared to April's maximum of 19°C (66°F). While September enjoys slightly more warmth, it also sees higher levels of precipitation, with 63 mm (2.5 in) falling over approximately 13 days, in contrast to April's 32 mm (1.3 in) over just 7 days. Humidity levels are similar, with September at 87% and April slightly lower at 84%. For a detailed look at April's weather patterns, you can check Alnwick weather in April.
When comparing the weather in September and May, September generally offers warmer temperatures, with averages around 13°C (56°F), peaking at 23°C (73°F), compared to May's average of 10°C (51°F) and a maximum of 20°C (68°F). Precipitation levels are slightly higher in September, measuring 63 mm (2.5 in) across 13 days, whereas May experiences 52 mm (2.0 in) over 12 days. Humidity levels are also notably similar, with September at 87% and May at 83%. For more detailed insights into May weather, you can visit Alnwick weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, consistently maintaining around 13°C (56°F). However, September experiences slightly lower minimum and maximum temperatures of 5°C (42°F) and 23°C (73°F) respectively, in contrast to June's minimum of 6°C (44°F) and maximum of 23°C (74°F). Precipitation is notable in both months, with June receiving 78 mm (3.1 in) over 12 rainy days, while September has slightly less at 63 mm (2.5 in) over 13 days. Humidity is also marginally higher in September, at 87%, compared to June's 85%. For more detailed insights, you can check Alnwick weather in June.
When comparing the weather in September to July, September offers a cooler climate, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 23°C (73°F), while July experiences slightly warmer conditions with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (77°F). In terms of rainfall, September sees 63 mm (2.5 in) of precipitation over 13 days, compared to July's 82 mm (3.2 in) over 14 days. Additionally, September's humidity is slightly higher at 87%, compared to 83% in July, contributing to a more damp feeling during the early autumn month. For those interested in more details about July weather, you can check Alnwick weather in July.
September generally brings cooler temperatures compared to August, with minimum temperatures dropping from 9°C (48°F) in August to 5°C (42°F) in September. The average temperature decreases slightly, from 15°C (59°F) to 13°C (56°F), while maximum temperatures remain relatively stable, hovering around 22°C (72°F) in August and reaching 23°C (73°F) in September. Precipitation also changes between the two months, with September receiving 63 mm (2.5 in) over 13 days, compared to August's 89 mm (3.5 in) over 15 days. Interestingly, humidity levels are slightly higher in September at 87%, compared to 82% in August. For more detailed weather information, you can refer to Alnwick weather in August.
In comparing September and October's weather, it's clear that October brings cooler temperatures, with a minimum of 2°C (36°F) compared to September's 5°C (42°F). The average temperature decreases from 13°C (56°F) in September to 11°C (51°F) in October, with maximum temperatures also dropping from 23°C (73°F) to 19°C (66°F). Additionally, October experiences more precipitation, with 94 mm (3.7 in) over 15 days, compared to September's 63 mm (2.5 in) over 13 days. This shift leads to slightly higher humidity levels in October, reaching 89%, compared to 87% in September. For more detailed information on October’s climate, check Alnwick weather in October.
September and November present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a pleasant maximum of 23°C (73°F), with an average of 13°C (56°F). However, the month also sees considerable rainfall, totaling 63 mm (2.5 in) over about 13 days, coupled with high humidity at 87%. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of 0°C (32°F) and a maximum of just 14°C (58°F), averaging 8°C (46°F). Precipitation increases slightly to 80 mm (3.2 in) over 16 days, and humidity rises to 90%. For more details on the weather trends during this month, you can check out Alnwick weather in November.
In September, temperatures range from a mild minimum of 5°C (42°F) to a comfortable maximum of 23°C (73°F), with an average of 13°C (56°F). This month experiences moderate precipitation totaling 63 mm (2.5 in), spread over approximately 13 days, and features a high humidity level of 87%. In contrast, December brings colder conditions with temperatures dipping to a minimum of -3°C (27°F) and an average of 6°C (42°F), peaking at 13°C (55°F). This month also sees increased precipitation, reaching 82 mm (3.2 in) across about 16 days, while humidity remains comparable at 88%. For more detailed information, you can check out Alnwick weather in December.
As September unfolds in Alnwick, the weather brings a notable shift from the warmth of summer, ushering in cooler temperatures and increased humidity. With an average temperature dipping to a refreshing 13°C, residents and visitors alike can feel the transition towards autumn. Despite the occasional sunny day reaching up to 23°C, expect a fair share of rain, as precipitation can occur on nearly half of the month’s days, contributing to the lush landscapes that define this period. September's ambiance is characterized by its crispness and the scent of falling leaves, making it a unique time to experience Alnwick's charm. For more in-depth information on the region's weather patterns, visit Alnwick Climate.