Last updated: March 17, 2025
September in Ullapool, United Kingdom offers a delightful blend of temperate conditions, with maximum temperatures reaching 20°C (68°F) and an average of 12°C (54°F). Visitors can expect a refreshing experience, but should be prepared for frequent rain, as the area sees 165 mm (6.5 in) of precipitation across 22 days. Humidity levels linger around a notable 89%, creating a crisp atmosphere that enhances the region's stunning landscapes. Whether you're exploring picturesque hills or relaxing by the harbor, September in Ullapool promises a unique coastal charm amid a temperamental climate.
As September unfolds in Ullapool, United Kingdom, temperatures begin their gentle descent, signaling the arrival of autumn. With minimums averaging around 3°C (37°F) and maximums reaching up to 20°C (68°F), the month offers a pleasant blend of warmth and crispness. The average temperature of 12°C (54°F) showcases a comfortable mid-point, perfect for enjoying the breathtaking landscapes that this charming coastal town has to offer. This transition from the summer highs of August, where temperatures peaked at 22°C (72°F), reflects a steady cooling trend as the days grow shorter and the lush scenery begins to shift into autumn's vibrant palette. Whether exploring picturesque trails or savoring local delights, September in Ullapool invites a cozy yet invigorating experience.
In Ullapool, United Kingdom, September marks a notable shift in the weather pattern, characterized by a significant increase in precipitation. With 165 mm (6.5 in) of rain falling over 22 days, it becomes the wettest month so far in the year, surpassing both August and July. This upward trend in rainfall sets the stage for the autumn months, as October further intensifies with 211 mm (8.3 in) expected over 25 days. This consistent wet weather in September hints at more unpredictable and considerably wetter conditions lying ahead, showcasing Ullapool's transition into the heart of the rainy season.
As summer gives way to autumn in Ullapool, September stands out with an average humidity of 89%, marking a notable increase from the preceding months. This rise reflects a gradual trend towards higher humidity levels as the year progresses, with the peak occurring in late summer and early fall. Following the warm, humid months of July and August, the air stays notably damp, setting a moist backdrop for the stunning landscapes. Interestingly, September's humidity aligns closely with October and November, hinting at a season of persistently high moisture levels that can be expected in the months ahead. Whether it's the lingering warmth of summer or the impending chill of autumn, Ullapool's September humidity creates an atmosphere rich in natural beauty and refreshingly crisp air.
September in Ullapool, United Kingdom, sees a UV Index of 5, which falls within the moderate exposure category. This indicates a slight dip from the peak summer months, where the index soared to 7 during July and June. As the days grow shorter and the sun’s rays soften, residents and visitors can expect a burn time of 30 minutes, allowing for enjoyable outdoor activities without excessive sun risk. Although still needing protection, particularly during midday, September offers a gentler UV experience compared to the summer’s high UV Index levels. For more detailed information, you can check the Ullapool UV Index.
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September in Ullapool brings a delightful transition as summer ebbs into autumn, illuminating the landscape with 273 hours of sunshine. This marks a considerable dip from the sun-drenched months of June and July, which enjoy over 379 hours, yet still offers a substantial glow compared to the bleakness of winter. September's sunshine effectively bridges the warm vibrancy of summer and the cooler embrace of fall, creating a tapestry of light that invites locals and visitors alike to revel in the crisp air and stunning vistas. As daylight diminishes, the gradual shift foreshadows the cozy months ahead, where the charm of Ullapool is illuminated by a softer, yet still welcoming, autumn sun.
In Ullapool, the likelihood of sunny weather in September is notably low at 16%, making it one of the cloudier months of the year. Observing trends throughout the seasons, we see a peak of sunshine around April at 37%, followed by a gradual decline through the summer and into autumn. July and August, typically associated with warmth and brightness, offer just 19% and 18% chance of sun, respectively. This downward trend continues into September, suggesting that visitors should be prepared for overcast skies as the more favorable conditions of spring fade into the cooler months. As autumn approaches, the sun seems to retreat in Ullapool, signaling the start of a much more variable and often gray climate.
As summer fades into autumn, September in Ullapool, United Kingdom, marks a charming transition with 12 hours of daylight. This month reflects a gradual decline from the longer, sun-drenched days of July and August, where daylight peaked at 17 and 15 hours, respectively. The evenings begin to draw in, hinting at the approach of shorter days ahead, as October ushers in a further reduction to 10 hours of daylight. This rhythm of increasing shadows is a reminder of the natural cycle, where the burst of summer light gracefully yields to the softer, mellow hues of autumn, creating a beautiful atmosphere in this coastal town.
As the summer breezes fade, September in Ullapool ushers in a subtle shift in wind patterns. With an average wind speed of 4.4 m/s (approximately 10 mph), September experiences a gentle increase compared to the languid winds of July and August. This month sets the stage for a transition into autumn, where wind speeds begin to rise again, hinting at the brisker months ahead. Notably, both October and November see noticeably stronger winds at 5.7 m/s (13 mph) and 6.8 m/s (15 mph) respectively, creating a contrast to the milder summer conditions. Thus, September stands as a pivotal bridge, blending the warmth of summer’s end with the invigorating coolness of the fall season.
The weather in Ullapool 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 Ullapool and find detailed weather information for every month.
In September, temperatures in Ullapool range from a minimum of 3°C (37°F) to a comfortable maximum of 20°C (68°F), with an average of 12°C (54°F). The month experiences considerable precipitation, totaling 165 mm (6.5 in) over 22 days, and humidity levels are high at 89%. In contrast, January sees colder temperatures, with minimums dropping to -3°C (27°F) and average highs of only 13°C (55°F). Precipitation in January is slightly less, at 152 mm (6.0 in) over 18 days, and humidity remains relatively high at 86%. For further details on January weather, you can visit Ullapool weather in January.
September and February present distinct weather patterns, reflecting the transition between seasons. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F). The month is characterized by high humidity at 89% and significant rainfall, totaling 165 mm (6.5 inches) over 22 days. In contrast, February experiences colder conditions, with temperatures ranging from -8°C (18°F) to a maximum of 13°C (56°F) and an average of 4°C (40°F). The precipitation in February is slightly lower at 129 mm (5.1 inches) but occurs over 19 days, and humidity is also a touch lower at 85%. For more detailed insights on February weather, you can refer to Ullapool weather in February.
In comparing the weather of September and March, significant differences in temperature and overall conditions are evident. September boasts a milder climate with average temperatures ranging from 3°C (37°F) to a comfortable 20°C (68°F), whereas March is cooler, with temperatures dipping as low as -4°C (26°F) and only reaching a maximum of 15°C (60°F). While both months experience similar precipitation levels at around 165 mm (6.5 in) in September and 144 mm (5.7 in) in March, September tends to be slightly wetter, experiencing rain on 22 days in both months. Additionally, humidity remains high throughout both periods, but it is marginally higher in September at 89% compared to March's 85%. For a more detailed look at March conditions, you can check out Ullapool weather in March.
When comparing the weather in September and April, a few key differences become apparent. September generally sees milder temperatures, with average highs reaching 20°C (68°F) compared to April's average highs of 19°C (67°F). However, April experiences cooler mornings, with minimum temperatures dropping to -1°C (30°F) versus September's minimum of 3°C (37°F). In terms of precipitation, September is notably wetter, receiving 165 mm (6.5 in) over 22 days, while April has significantly less rainfall at 83 mm (3.3 in) across 16 days. Humidity levels are also slightly higher in September at 89%, compared to 84% in April. For more detailed insights, you can check out the Ullapool weather in April.
When comparing the weather in September and May, we see distinct differences in temperature and precipitation. September typically experiences milder temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), while May's temperatures range from 0°C (32°F) to a higher maximum of 23°C (73°F). Precipitation is notably heavier in September, with 165 mm (6.5 in) falling over 22 days, compared to May's 91 mm (3.6 in) over 18 days. This results in September being more humid, with an average humidity of 89%, compared to May’s 82%. For a closer look at May’s weather, you can check Ullapool weather in May.
In comparing the weather in September and June, both months share similar average temperatures, with a minimum of around 3°C (37-38°F) and an average of 12°C (54°F). However, September tends to be slightly warmer, peaking at 20°C (68°F), compared to June's maximum of 21°C (70°F). Notably, September experiences more precipitation, with 165 mm (6.5 in) across 22 days, while June has significantly less at 101 mm (4.0 in) over 19 days. Additionally, humidity levels are higher in September at 89%, compared to June's 84%. For a detailed look at June weather in Ullapool, you can visit Ullapool weather in June.
In September, temperatures range from a chilly minimum of 3°C (37°F) to a milder maximum of 20°C (68°F), with an average of 12°C (54°F). The month also sees substantial rainfall, with 165 mm (6.5 in) of precipitation over 22 days and high humidity at 89%. In contrast, July offers warmer conditions, with a minimum of 6°C (44°F) and a maximum reaching 25°C (78°F), averaging 13°C (57°F). While July experiences less rainfall, totaling 119 mm (4.7 in) over 21 days, it maintains a slightly lower humidity level at 87%. For a closer look at the weather specifics, check out Ullapool weather in July.
Comparing the weather of September and August reveals some notable differences. In September, temperatures are generally cooler, with a minimum of 3°C (37°F) and a maximum of 20°C (68°F), whereas August enjoys warmer conditions, ranging from a minimum of 7°C (44°F) to a maximum of 22°C (72°F). September also experiences higher precipitation, totaling 165 mm (6.5 in) over 22 days, compared to August's 128 mm (5.0 in) across 21 days. The humidity is slightly higher in September at 89%, while August maintains a comfortable 88%. For more details on August weather, you can visit Ullapool weather in August.
September and October both showcase a transition into cooler weather, but October tends to be a bit chillier and wetter. September features a mild average temperature of 12°C (54°F) with highs reaching 20°C (68°F), while October sees a drop in average temperature to 9°C (49°F) and a maximum of 17°C (62°F). Additionally, precipitation increases in October, with 211 mm (8.3 in) recorded over 25 days compared to September's 165 mm (6.5 in) over 22 days. Interestingly, the humidity remains constant at 89% in both months. For more specific insights into October's weather patterns, you can check Ullapool weather in October.
In September, the weather provides a gentle transition into autumn, with temperatures ranging from a minimum of 3°C (37°F) to a pleasant maximum of 20°C (68°F). The average temperature sits around 12°C (54°F), accompanied by significant precipitation of 165 mm (6.5 in) over 22 days, and humidity remains high at 89%.
In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -1°C (31°F) and a maximum of 14°C (57°F), resulting in a lower average of 7°C (45°F). Precipitation remains similar at 163 mm (6.4 in) over the same number of days, with humidity slightly increasing to 90%. For a detailed glance at what to expect in November, check out Ullapool weather in November.
In comparing the weather between September and December, September typically boasts milder temperatures, with daily averages around 12°C (54°F) and a maximum of 20°C (68°F), while December sees a drop to an average of just 5°C (42°F) and a maximum of 13°C (55°F). Precipitation is also significant in both months, with September receiving 165 mm (6.5 in) across 22 days and December slightly higher with 176 mm (6.9 in) over 24 days. Humidity levels remain relatively high in both months, but September holds a marginally higher humidity rate of 89% compared to December's 86%. For a closer look at December's weather specifics, you can visit Ullapool weather in December.
As summer fades away, Ullapool's September weather brings a noticeable shift, with temperatures cooling down significantly compared to the preceding months. The region experiences an increase in rainfall, marked by nearly three-quarters of the month seeing precipitation, creating a lush landscape that bursts into vibrant autumn colors. Humidity remains high, contributing to the crisp, refreshing air that heralds the approach of fall. If you're curious about how September compares to the rest of the year in Ullapool, be sure to check out the detailed insights on Ullapool Climate.