Last updated: March 17, 2025
September weather in Port Ellen, United Kingdom showcases a temperate maritime climate characterized by mild temperatures and high humidity. With a maximum temperature reaching 21°C (69°F) and an average of 14°C (57°F), visitors can expect comfortable conditions, though nighttime lows may dip to 5°C (42°F). This month is also marked by considerable rainfall, totaling 97 mm (3.8 in) across 18 days, which contributes to the region's lush landscapes. The high humidity level of 88% can make the air feel heavy, but it adds to the unique charm of Port Ellen's coastal environment.
In September, Port Ellen begins to transition from the warmth of summer to the cooler embrace of autumn. The temperatures range from a minimum of 5°C (42°F) to a maximum of 21°C (69°F), making it a pleasantly mild month. The average temperature settles at 14°C (57°F), reflecting a gentle decline from the highs of August. Despite this dip, September showcases comfortable days perfect for outdoor exploration, as chilly evenings start to remind visitors of the approaching fall. With each passing day, the scenery shifts, offering a picturesque backdrop against the backdrop of changing foliage and shifting sea breezes.
In September, Port Ellen experiences a notable transition as the summer months give way to autumn. With an average precipitation of 97 mm (3.8 in), this month sees a similar wetness to July, though it typically hosts 18 rainy days, slightly more than the preceding summer months. The precipitation trend indicates a gradual increase as the year progresses, with September's rainfall paving the way for even wetter conditions anticipated in October. As the landscape shifts and prepares for the fall, residents and visitors alike can expect a distinctive blend of rain that heralds the change in season.
As September rolls in, Port Ellen experiences a noticeable uptick in humidity, reaching 88%, making it one of the wetter months of the year. This increase continues a trend observed from the summer months, where humidity remained relatively stable around 86%. Notably, September's humidity edges closer to the peak levels seen in October and November, which average 89% and 90%, respectively. This gradual rise signals the transition from the milder warmth of summer to the cooler, wetter autumn season, creating a lush and atmospheric environment that characterizes the beauty of the region.
As September rolls into Port Ellen, the UV Index remains at a moderate level of 5, offering a slight reprieve from the intense summer sun. This marks a transition from the very high UV levels experienced in July and June, where exposure times were as short as 15 minutes to avoid sunburn. With a burn time of 30 minutes this month, it's essential to stay mindful of sun safety while enjoying outdoor activities. The trend shows that as we move into autumn, the UV Index gradually decreases, leading to lower exposure categories in the coming months. So, whether you're strolling along the coast or exploring the landscapes, remember to stay protected! For more detailed information on the UV Index and its implications, check out Port Ellen UV Index.
UV Risk Categories
September in Port Ellen, United Kingdom, is a delightful month that continues the decline from the summer's radiant sun. Following the peak summer months of July and August, which bask in an impressive 415 and 367 hours of sunshine respectively, September enjoys a respectable 290 hours. This lingering warmth hints at the transition into autumn, as the daylight begins to wane. The gradual decrease in sunlight through October to December reflects a shift towards the shorter days of winter, where the hours dwindle to a mere 82 hours in December. This seasonal pattern highlights a clear trend: while summer may steal the show, September offers a charming farewell to the sun before embracing the cooler months ahead.
In Port Ellen, the likelihood of sunny weather in September stands at a modest 20%, a figure that reflects a gradual decline in sunshine as the summer months wane. This trend becomes evident when comparing September's sun chances to the preceding months; it notably dips from the brighter April at 45% and May at 34%. As summer transitions to autumn, the overall probability of sunny days decreases, marking September as one of the less sunny months. While you're unlikely to bask in abundant sunshine during this time, the cooler and often crisp days can still offer their own charm, inviting you to explore the stunning landscapes of the Isle of Islay.
As summer fades into autumn, September in Port Ellen, United Kingdom, offers a delightful balance of daylight, with approximately 12 hours of sunlight illuminating the landscape. This month marks a gradual decline from the sun-drenched days of summer, peaking in June with 17 hours of daylight. Transitioning through the year, daylight in September still remains abundant compared to the shorter winter months, such as November, when it dwindles to just 8 hours. This subtle shift reflects nature’s rhythm, inviting residents and visitors alike to savor the lingering warmth and vibrant colors of early autumn before darker days set in.
In September, the winds in Port Ellen begin to shift, averaging a gentle 4.5 m/s (10 mph). This marks a subtle resurgence from the languid summer breezes of July and August, which feature the year’s lowest wind speeds. As autumn approaches, the September gusts usher in a refreshingly crisp atmosphere, a precursor to the more vigorous winds of October and November that see average speeds climbing to 6.0 m/s (13 mph) and 7.0 m/s (16 mph) respectively. This gradual increase indicates a transition from the warmth of summer to the invigorating chill of fall, making September a delightful time to experience the evolving landscape of Port Ellen's weather.
The weather in Port Ellen 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 Port Ellen and find detailed weather information for every month.
September and January present distinct weather patterns that highlight the transition between seasons. In September, temperatures range from a minimum of 5°C (42°F) to a comfortable maximum of 21°C (69°F), with an average of 14°C (57°F). The month experiences considerable rainfall, totaling 97 mm (3.8 in) over 18 days, while humidity is relatively high at 88%. In contrast, January brings colder conditions, with temperatures dipping to a minimum of -1°C (31°F) and peaking at just 14°C (58°F), averaging around 7°C (45°F). Precipitation is slightly lower at 93 mm (3.7 in), occurring over 16 days, and the humidity remains similar at 87%. For more specific details about January weather, you can check Port Ellen weather in January.
September and February present contrasting weather conditions in Port Ellen. September offers a mild temperature range, with a minimum of 5°C (42°F) and an average of 14°C (57°F), while February experiences colder weather, with temperatures dipping to a minimum of -3°C (28°F) and an average of 7°C (44°F). In terms of precipitation, February sees a higher total of 121 mm (4.8 in) compared to September's 97 mm (3.8 in), but both months have precipitation on around 18 days. Humidity levels remain similar, with September at 88% and February slightly lower at 86%. For more details about February weather, you can check out Port Ellen weather in February.
In comparing the weather between September and March, we see notable differences in temperature and precipitation patterns. September enjoys milder temperatures, with averages around 14°C (57°F), reaching a pleasant max of 21°C (69°F), whereas March is chillier, averaging 7°C (45°F) and a maximum of only 15°C (59°F), with some days dipping to -3°C (27°F). Both months experience significant precipitation, with March receiving slightly more at 104 mm (4.1 in) over 19 days compared to September's 97 mm (3.8 in) over 18 days. Humidity remains relatively high in both months, with September at 88% and March at 86%. For a detailed look at the weather in March, you can check Port Ellen weather in March.
September and April present distinct weather characteristics. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 21°C (69°F), with an average of 14°C (57°F). This month typically experiences higher precipitation, with about 97 mm (3.8 in) falling over 18 days, combined with a humidity level of 88%. In contrast, April features cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 18°C (65°F), averaging 9°C (48°F). Precipitation is considerably lower at 46 mm (1.8 in) over 11 days, and humidity sits at 85%. For more detailed insights, visit Port Ellen weather in April.
September and May present contrasting weather patterns, despite having similar maximum temperatures. September typically sees warmer averages, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 21°C (69°F), while May offers slightly cooler conditions, with a minimum of 2°C (36°F) and an average of 11°C (52°F). Rainfall is more frequent in September with 97 mm (3.8 in) over 18 days, compared to May's 67 mm (2.6 in) over 14 days. Additionally, September's humidity at 88% adds to the perception of dampness, while May's lower humidity at 82% slightly enhances the comfort level. For a closer look at May's weather specifics, check out Port Ellen weather in May.
In comparing the weather between September and June, it is evident that both months experience mild temperatures, but September tends to be slightly warmer with maximum temperatures averaging around 21°C (69°F) compared to June's 23°C (73°F). The minimum temperatures are fairly similar, with September having a low of 5°C (42°F) and June at 6°C (44°F). Rainfall is relatively frequent in both months, with September receiving 97 mm (3.8 in) across 18 days, while June has slightly less at 92 mm (3.6 in) over 16 days. Additionally, September’s humidity peaks at 88%, slightly higher than June's 84%. For a closer look at June's weather specifics, you can check Port Ellen weather in June.
In comparing the weather of September and July, September sees slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 21°C (69°F), while July is warmer, featuring a minimum of 8°C (46°F) and a maximum of 24°C (76°F). Both months experience the same total precipitation of 97 mm (3.8 in), but September has a few more rainy days, totaling 18 compared to July's 16 days. Humidity levels are also quite similar, with September being marginally more humid at 88% compared to July's 86%. For a detailed look at July weather in Port Ellen, visit Port Ellen weather in July.
In comparing the weather of September to August, we notice a shift towards cooler temperatures and increased rainfall. September features a minimum temperature of 5°C (42°F), with an average of 14°C (57°F) and a maximum of 21°C (69°F), while August maintains a slightly warmer range with a minimum of 9°C (48°F), an average of 15°C (59°F), and a maximum of 22°C (72°F). Additionally, September experiences more frequent rain, with precipitation occurring on 18 days and totaling 97 mm (3.8 in), compared to August's 122 mm (4.8 in) over 20 days. Interestingly, September's humidity is slightly higher at 88%, compared to August's 86%. This subtle transition not only marks the end of summer but also hints at the coming autumn months. For further details, check Port Ellen weather in August.
As September transitions into October, the weather shows a noticeable shift. In September, temperatures are milder, with an average of 14°C (57°F), while October brings cooler conditions, averaging around 11°C (53°F). Rainfall increases in October, with about 140 mm (5.5 in) expected over 22 days compared to September's 97 mm (3.8 in) over 18 days. Both months exhibit high humidity, but October maintains a slightly elevated level at 89%. For more detailed weather information, you can check Port Ellen weather in October.
September and November present a notable shift in weather, with September offering milder temperatures, ranging from a minimum of 5°C (42°F) to an average of 14°C (57°F) and a maximum of 21°C (69°F). During this month, the region experiences 97 mm (3.8 in) of precipitation over 18 days, with an average humidity of 88%. In contrast, November is significantly cooler, with temperatures dropping to a minimum of 1°C (34°F), an average of 9°C (49°F), and a maximum of 15°C (60°F). Precipitation increases slightly to 113 mm (4.4 in) over 20 days, and humidity remains high at 90%. For a detailed look at November weather, you can visit Port Ellen weather in November.
In comparing the weather between September and December, we see a shift toward colder conditions and increased precipitation. September experiences milder temperatures, with averages around 14°C (57°F) and a maximum of 21°C (69°F), while December's average drops to 8°C (46°F) with highs only reaching 13°C (57°F). Precipitation also increases slightly from 97 mm (3.8 in) over 18 days in September to 130 mm (5.1 in) over 19 days in December, suggesting wetter conditions as winter approaches. Humidity levels remain fairly consistent, with September at 88% and December slightly lower at 86%. For more details on December weather conditions, you can check Port Ellen weather in December.
As September unfolds in Port Ellen, it ushers in a refreshing change that contrasts with the warmer summer months. With average temperatures hovering around a mild 14°C (57°F), the early autumn days offer a pleasant reprieve from the heat, while nights bring a brisk chill. The season's characteristic high humidity and increased precipitation days mean that visitors should prepare for the occasional rain shower, contributing to the lush landscapes that define the region. This blend of mild weather and natural beauty makes September an alluring time to experience Port Ellen, setting the stage for the vibrant hues of autumn. For a deeper dive into the climate patterns, visit Port Ellen Climate.