Last updated: March 17, 2025
September in Penarth, United Kingdom presents a delightful blend of mild temperatures and captivating coastal charm. With a maximum temperature reaching 27°C (81°F), the month invites outdoor activities, while the average temperature settles at a comfortable 15°C (59°F). However, mornings can be brisk, as the minimum temperature dips to 4°C (40°F). Rainfall is a notable feature, with 81 mm (3.2 in) spread over 12 days, contributing to a humidity level of 79% that adds a touch of freshness to the air. Overall, September showcases Penarth’s picturesque allure amid a backdrop of variable weather.
In September, Penarth experiences a delightful transition as summer gives way to autumn. With minimum temperatures around 4°C (40°F) and average highs reaching up to 27°C (81°F), the month retains warmth while hinting at the cooler days ahead. Notably, the average temperature stabilizes at 15°C (59°F), providing a comfortable climate for outdoor activities. As the sea breeze starts to cool, September's blend of lingering heat and refreshing air makes it an ideal time to enjoy the vibrant landscapes and coastal charm of this picturesque town. The gradual shift in temperatures signifies a move towards the crispness of fall while still embracing the last flickers of summer warmth.
September in Penarth, United Kingdom, marks a transition into autumn with an average precipitation of 81 mm (3.2 in), delivered across 12 days. This month sees a slight decrease in rainfall compared to the preceding months of July and August, which both recorded 85 mm (3.3 in) and 97 mm (3.8 in), respectively. Despite this reduction, September maintains a relatively wet climate, typical for the UK, setting the stage for the wetter months ahead. As the year progresses towards October, where precipitation spikes to 135 mm (5.3 in) over 16 days, the gradual increase in rainfall signifies the arrival of autumn, reminding residents of Penarth to prepare for the impending gloomy, rainy season.
September in Penarth, United Kingdom, marks a subtle shift in the air, as humidity settles at 79%, offering a welcome reprieve from the summer's lingering warmth. The month begins a transition from the drier summer months of July and August, which recorded 70% and 73% humidity, respectively. As autumn approaches, the humidity starts to rise again, signaling the return of the almost omnipresent moisture that characterizes the region, peaking in late autumn and winter months. This gradual increase from summer to early fall showcases Penarth's unique climate rhythm, where each season brings not just temperature variations but also dynamic changes in humidity levels, creating an ever-present marine atmosphere.
As the summer fades and September arrives in Penarth, the UV Index sees a slight drop to 6, still categorized as high. This indicates that while conditions have cooled compared to the scorching July and August, sun safety remains crucial. With a burn time of just 25 minutes, locals and visitors alike should remain vigilant about sun protection during outdoor activities. Interestingly, this month's UV Index mirrors the heights seen in April, reminding us that as we transition into autumn, UV exposure can still be significant. To stay informed about the sun's intensity and protect your skin, check the Penarth UV Index.
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September in Penarth, United Kingdom, enjoys a delightful 279 hours of sunshine, marking a noticeable transition as summer gently fades into autumn. Following the peak months of July and August, which saw a high of 399 and 345 hours respectively, September offers a warm embrace of sunlight, still rich but slightly diminished. This month continues the trend of abundant sunshine that characterizes the summer, providing a lovely opportunity to savor the lingering warmth. As nature prepares for the cooler months ahead, the shift reflects a broader pattern: an annual crescendo of sunny days that starts from a modest 81 hours in January and reaches its zenith mid-year, before gracefully descending into the softer light of fall. Embrace the September sunshine in Penarth, where every ray is a reminder of summer's lasting touch.
In Penarth, September typically sees a 28% chance of sunny weather, which reflects a slight decline from the peak sunlit days of April at 52%. This pattern indicates that while summer warmth lingers, the sunny days begin to taper off as autumn approaches. Interestingly, this month stands near the middle of the year's sun chances, positioned between the brighter summer months and the cooler, cloudier days of fall. Although not as sun-soaked as the high summer, September can still provide pleasant days, making it a hopeful time for those seeking sunny respite before the winter months set in.
As summer transitions into autumn, September in Penarth, United Kingdom, experiences a notable shift in daylight, offering around 12 hours of sunlight. This gradual decline follows the sunniest months of June and July, which enjoy a generous 16 hours of daylight, reflecting the peak of summer vitality. By August, daylight begins to wane to 14 hours, setting the stage for September's moderate glow. The months leading into autumn generally see a steady decrease, dipping to 10 hours in October and further to 8 hours by November, marking the onset of winter's early sunsets. This pattern emphasizes the seasonal rhythm of Penarth, capturing the enchanting transition from vibrant summer days to the cozy, reflective months of fall.
As September unfolds in Penarth, the winds begin to gentle, with average speeds averaging just 3.7 m/s (8 mph). This marks a noticeable dip from the vibrant gusts earlier in the year, particularly the stronger breezes of January and February. The transition into autumn brings a shift in the atmosphere, where the once lively winds of 4.8 m/s (11 mph) in March and 4.7 m/s (10 mph) in May feel a world away. Instead, September’s calmness complements the changing colors of the season, inviting leisurely strolls along the coastline, where the soft winds kiss the cheeks of passersby. As we anticipate the slightly brisker October winds ahead, this month serves as a gentle reminder of summer's warm embrace giving way to the cool, refreshing breaths of autumn.
The weather in Penarth 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 Penarth and find detailed weather information for every month.
September and January present a stark contrast in weather conditions. In September, temperatures range from a mild minimum of 4°C (40°F) to an enjoyable average of 15°C (59°F), with highs reaching 27°C (81°F). The month experiences 81 mm (3.2 in) of precipitation over 12 days, combined with a relatively comfortable humidity level of 79%. In contrast, January is much colder, with temperatures dipping to a minimum of -3°C (27°F) and only averaging 6°C (42°F). Maximum temperatures reach 13°C (56°F), and while precipitation is slightly lower at 75 mm (3.0 in) over the same number of days, humidity increases to 88%. For more detailed information on January weather, visit Penarth weather in January.
September and February exhibit striking differences in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average of 15°C (59°F). The month also experiences 81 mm (3.2 in) of precipitation over 12 days and a humidity level of 79%. In contrast, February is much colder, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 15°C (60°F) and an average of 6°C (44°F). Additionally, February sees increased precipitation at 101 mm (4.0 in) over 14 days, along with higher humidity at 88%. For more detailed information on February weather, you can check Penarth weather in February.
September and March present contrasting weather patterns as summer transitions into fall and winter gives way to spring. In September, temperatures range from a pleasant minimum of 4°C (40°F) to an average of 15°C (59°F) and a maximum of 27°C (81°F), with 12 days of rain contributing to a total precipitation of 81 mm (3.2 in) and a humidity level of 79%. In contrast, March experiences cooler conditions, with temperatures dipping as low as -5°C (22°F), averaging at 7°C (45°F), and peaking at 18°C (65°F). With 97 mm (3.8 in) of precipitation over 15 days and higher humidity at 86%, March tends to feel more damp and chilly. For more detailed insights on March weather, you can visit Penarth weather in March.
In comparing the weather between September and April, September tends to offer warmer temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), peaking at 27°C (81°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to an average of 9°C (49°F) and a maximum of 20°C (69°F). Furthermore, September sees more precipitation overall, with 81 mm (3.2 in) over 12 days, whereas April has less rainfall at 57 mm (2.2 in) across 10 days. Notably, April has slightly higher humidity levels at 84%, compared to September's 79%. For a detailed look at Penarth's weather in April, visit Penarth weather in April.
In comparing the weather of September and May, September generally experiences warmer temperatures with a minimum of 4°C (40°F) and a maximum of 27°C (81°F), while May has slightly cooler temperatures ranging from a minimum of 2°C (35°F) to a maximum of 24°C (76°F). Both months have similar precipitation levels, with September receiving 81 mm (3.2 in) and May slightly less at 79 mm (3.1 in), both distributed over approximately 12 rainy days. Humidity is quite comparable as well, with September at 79% and May at 80%, making both months feel relatively damp. For more specific information about May's weather patterns, you can check Penarth weather in May.
In comparing the weather between June and September, both months exhibit similar average temperatures, hovering around 15°C (59°F). However, September tends to have lower minimum temperatures at 4°C (40°F) compared to June's 7°C (45°F), resulting in a cooler start to the autumn season. Interestingly, both months receive comparable amounts of precipitation, with September recording 81 mm (3.2 in) and June slightly higher at 84 mm (3.3 in), but the humidity levels remain consistent at around 79% for September and 80% for June. For more details on June's weather, you can visit Penarth weather in June.
In comparing the weather between September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), compared to July's milder range of 9°C (48°F) to 28°C (82°F). Both months experience similar levels of precipitation, with September receiving 81 mm (3.2 in) and July slightly more at 85 mm (3.3 in), each accompanied by rainfall on about 12 days. However, July features lower humidity levels at 70%, making it feel drier than the 79% humidity typical of September. For more detailed insights, you can check the Penarth weather in July.
In comparing the weather of September and August, September experiences a noticeable drop in minimum temperatures, starting at around 4°C (40°F) compared to August's 9°C (48°F). While the average temperatures in September are slightly lower at 15°C (59°F) versus August's 17°C (62°F), maximum temperatures in September reach up to 27°C (81°F), just a couple of degrees lower than August's peak of 29°C (84°F). Precipitation in September totals 81 mm (3.2 in) across 12 days, which is slightly less than August's 97 mm (3.8 in) over 13 days, although September’s higher humidity at 79% may contribute to a damp feel. For more details on August weather in Penarth, you can visit Penarth weather in August.
September and October exhibit notable differences in weather patterns. September sees milder temperatures with a minimum of 4°C (40°F) and an average of 15°C (59°F), while October's temperatures drop further, with a minimum of 1°C (33°F) and an average of 12°C (54°F). The maximum temperatures in September reach up to 27°C (81°F), but October peaks at a cooler 21°C (70°F). Precipitation also increases, as September experiences 81 mm (3.2 in) over 12 days, compared to October's 135 mm (5.3 in) over 16 days. Additionally, humidity rises from 79% in September to 89% in October, contributing to a distinctly damp atmosphere. For more detailed insights, visit Penarth weather in October.
September and November weather exhibit notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of 4°C (40°F) to a pleasant maximum of 27°C (81°F), with an average of 15°C (59°F). The month sees a considerable amount of rainfall, totaling 81 mm (3.2 in) over about 12 days, with a humidity level of 79%. In contrast, November brings cooler temperatures, with a minimum of -1°C (30°F) and an average of 9°C (48°F), peaking at 16°C (61°F). Precipitation increases slightly to 99 mm (3.9 in), occurring on about 15 days, and humidity rises to 90%. For more specific insights, you can explore the details in Penarth weather in November.
In September, the weather is notably warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), providing comfortable conditions for outdoor activities. The month experiences a moderate level of precipitation at 81 mm (3.2 in) over about 12 days, coupled with a humidity level of 79%. Contrastingly, December ushers in much cooler temperatures, with an average range between -4°C (26°F) and 13°C (56°F). The month is wetter, recording 130 mm (5.1 in) of precipitation spread across 17 days, along with higher humidity at 89%. For a more detailed look at the weather during this month, visit Penarth weather in December.
As summer gently gives way to autumn, September in Penarth offers a refreshing mix of mild temperatures and increased humidity that sets it apart from the hotter months preceding it. While daytime temperatures can reach a pleasant 27°C (81°F), the nights cool significantly, occasionally dropping to around 4°C (40°F). This transition signals a change in the weather pattern, with an average of 81 mm (3.2 in) of rain spread over 12 days, making it a month of variable weather. Nature begins to stir as the leaves change, and the coastal charm of Penarth is highlighted in the crisp air, making it a perfect time for exploration. Experience the unique climate dynamics that September brings by checking out more at Penarth Climate.