Last updated: March 17, 2025
September in Blaenavon, United Kingdom showcases a striking range of temperatures, with a maximum reaching 28°C (83°F) and a minimum dropping to 3°C (37°F), leading to a comfortable average of 14°C (57°F). However, this month is also marked by frequent rainfall, accumulating 63 mm (2.5 in) over 10 days, contributing to a humidity level of 79%. Visitors can expect a dynamic weather experience, balancing sunny days with refreshing showers, perfect for exploring the rich industrial heritage and scenic landscapes of this historic town.
In September, Blaenavon welcomes the onset of autumn with a notable shift in temperatures. Minimums settle at a crisp 3°C (37°F), offering a refreshing start to the month, while average temperatures hover around a comfortable 14°C (57°F). The warmth of summer lingers a bit longer, as afternoon highs can reach a pleasant 28°C (83°F), making it an ideal time for outdoor activities. Compared to the balmy summer months, this transition serves as a gentle reminder of the cooler days ahead, while also maintaining a moderate warmth that characterizes early autumn. As the landscape transforms with vibrant fall colors, September in Blaenavon encapsulates the beauty of seasonal change, inviting both locals and visitors to embrace the refreshing air and stunning scenery.
In September, Blaenavon experiences a moderate climate, with precipitation totaling 63 mm (2.5 in) over approximately 10 days. This marks a slight decrease in rainfall compared to the more intense summer months, like August, which sees 84 mm (3.3 in). As summer transitions into autumn, the frequency of rain begins to resemble the wetter months ahead, like October, which can deliver up to 111 mm (4.4 in). While September brings a welcome reprieve from the heaviest rains of July and August, it sets the stage for the increasing precipitation typical of the coming fall, reflecting a pattern of gradual escalation in rainfall heading into winter. Overall, as days become shorter and temperatures cool, September serves as a pivotal month in Blaenavon’s shifting weather narrative.
As September unfolds in Blaenavon, United Kingdom, the humidity levels settle at a comfortable 79%, reflecting the gradual shift toward autumn. This month marks a noteworthy transition, following the relative dryness of summer, where July and August recorded lower humidity levels of 70% and 73%, respectively. The trend reveals a steady decline from the peak humidity of winter months, where January and February hover around 88%. As the year progresses, the air becomes more saturated, with October and November returning to higher humidity levels of 89% and 90%. September's figures suggest a balancing act between the warm remnants of summer and the impending chill of fall, making it a unique time in the region's climatic cycle.
In September, Blaenavon experiences a UV Index of 6, categorizing it as high and indicating a burn time of approximately 25 minutes for unprotected skin. This slight decline from the peak of the summer months shows a shift towards moderate sun exposure as the season transitions into autumn. Notably, September retains a strong UV presence, similar to April and May, emphasizing the importance of sun protection even as the weather cools. With this understanding, residents and visitors can enjoy outdoor activities while staying safe under the sun. For more detailed information, visit Blaenavon UV Index.
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As September unfolds in Blaenavon, the sunshine begins to temper, offering 279 hours of daylight—still a generous amount compared to the colder months ahead. This month marks a noticeable decline from the sun-drenched heights of July and August, which boast 399 and 345 hours, respectively. However, September retains a warm glow, reflective of the vibrant summer months that precede it. Looking back, it’s evident that as the year transitions, sunshine patterns shift dramatically; after a bright spread in spring and summer, the daylight hours drastically taper off into the crisp embrace of autumn. With 303 hours in April and a peak in May at 379 hours, the descent into the darker seasons is palpable, yet September still holds the promise of lingering warmth, inviting both locals and visitors to savor the last moments of summer's sunshine.
In Blaenavon, United Kingdom, September marks a transition into autumn, bringing with it a 26% chance of sunny weather. This figure is slightly higher than the summer months of June (26%) and August (25%), suggestive of a modest yet notable potential for sunny days as the season shifts. However, compared to the peak sun chances seen in April (50%), the likelihood of clear skies starts to dip. Overall, while September may not boast the most vibrant sunshine, it offers a balanced opportunity for enjoyable days, making it a delightful time to experience the beauty of Blaenavon as the leaves begin to change.
As summer fades, September in Blaenavon, United Kingdom, reflects a gradual transition in daylight duration, providing 12 hours of daylight. Following the peak of 16 hours in June and July, this month marks a subtle decline towards autumn, reminiscent of the earlier spring months when daylight begins to emerge. The daylight shift is a gentle reminder of the changing seasons, especially after the vibrant brightness of summer. In the months to come, the daylight hours will continue to dwindle, plunging to 10 hours in October and a mere 8 hours by November, highlighting the natural rhythm of the year and inviting the cozy embrace of autumn.
In September, Blaenavon experiences a gentle breeze, with an average wind speed of 3.0 m/s (7 mph). This marks a slight dip from the summer's mild winds, reflecting a transition into autumn as temperatures begin to cool. The trend shows that after a peak in wind speeds during the winter months of January and December, the winds tend to mellow in the heart of summer before gradually picking up again in October. The shift in September serves as a reminder of the changing seasons, where the crisp, fresh air begins to envelop the landscape, inviting residents and visitors alike to embrace the beauty of the approaching fall.
The weather in Blaenavon 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 Blaenavon and find detailed weather information for every month.
Comparing the weather in September and January reveals significant differences in temperature and overall feel. In September, temperatures range from a mild 3°C (37°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F). The month experiences about 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In contrast, January is much colder, with temperatures dipping as low as -5°C (24°F) and averaging only 5°C (41°F). The maximum temperature in January peaks at 13°C (56°F), and the month sees roughly 61 mm (2.4 in) of precipitation across 11 days, along with higher humidity at 88%. For more detailed information on the January weather, you can visit Blaenavon weather in January.
When comparing the weather in September and February, it's evident that February is significantly colder, with average temperatures ranging from -5°C (22°F) to 17°C (62°F), while September boasts milder conditions with a min of 3°C (37°F) and max of 28°C (83°F). Precipitation levels are also noteworthy; February experiences more days of rain (14 days) despite slightly higher total rainfall (84 mm or 3.3 in) compared to September's 63 mm (2.5 in) over 10 days. Additionally, February has a higher humidity level at 88%, compared to September's 79%. For more details on February conditions, visit Blaenavon weather in February.
When comparing the weather in September and March, it's evident that September tends to be warmer and drier. September features an average temperature of 14°C (57°F), with a minimum of 3°C (37°F) and a maximum of 28°C (83°F), along with 63 mm (2.5 in) of precipitation over about 10 days and a humidity level of 79%. In contrast, March experiences cooler temperatures averaging 7°C (44°F), with a minimum of -7°C (20°F) and a maximum of 20°C (68°F). The precipitation increases to 88 mm (3.5 in) over approximately 15 days, accompanied by a higher humidity level of 86%. This makes March a wetter and cooler month compared to September, illustrating the transition from late summer to early spring. For more detailed weather insights, check Blaenavon weather in March.
When comparing the weather in September and April, we see notable differences in temperature and humidity levels. September boasts a more comfortable average temperature of 14°C (57°F), with maximum highs reaching 28°C (83°F), while April, with its lower average of 9°C (48°F), struggles to warm up, peaking at 22°C (73°F). Precipitation is relatively similar, with September receiving 63 mm (2.5 in) over about 10 days compared to April's 58 mm (2.3 in) over 9 days. Humidity is slightly higher in April at 84%, compared to September's 79%. For a detailed view of April conditions, you can visit Blaenavon weather in April.
When comparing the weather in September and May, we see distinct differences in temperature and precipitation. September typically experiences a wider range of temperatures, with a minimum of 3°C (37°F) and a maximum of 28°C (83°F), averaging around 14°C (57°F). In contrast, May has slightly cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average of 12°C (53°F). Additionally, September sees less rainfall than May, with 63 mm (2.5 in) over about 10 days, compared to May’s 79 mm (3.1 in) of precipitation over 13 days. Both months have similar humidity levels, hovering around 79% and 80% respectively. For more information about the weather specifically in May, you can refer to Blaenavon weather in May.
September and June exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (83°F), with an average of 14°C (57°F). The month experiences about 63 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In contrast, June offers slightly warmer temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 29°C (85°F), with an average temperature of 15°C (60°F). June is wetter, receiving 82 mm (3.2 in) of precipitation over about 13 days, and has a humidity of 80%. For more details, check out Blaenavon weather in June.
When comparing the weather in September and July, a few key differences stand out. September experiences slightly cooler temperatures, with a minimum of 3°C (37°F) compared to July's minimum of 7°C (45°F), while the average temperature in September is 14°C (57°F) versus July's 17°C (63°F). Despite September having a similar maximum temperature of 28°C (83°F) to July's 29°C (85°F), it generally feels a bit cooler overall. Rainfall is fairly similar, with September recording 63 mm (2.5 in) over 10 days and July seeing 73 mm (2.9 in) across 11 days, although September has slightly higher humidity at 79% compared to July’s 70%. For more detailed weather insights for July, check out Blaenavon weather in July.
In comparing the weather between August and September, we see a noticeable shift. September tends to be cooler, with minimum temperatures dropping to 3°C (37°F) compared to August’s minimum of 6°C (44°F). The average temperature in September is slightly lower at 14°C (57°F), while August offers a milder 16°C (61°F). Additionally, September experiences a maximum temperature of 28°C (83°F), which is a bit lower than August’s peak of 30°C (87°F). Precipitation is also slightly less in September, totaling 63 mm (2.5 in) over 10 days, while August sees 84 mm (3.3 in) over 12 days. Humidity remains higher in September at 79%, compared to 73% in August. For more detailed weather conditions specific to August, you can visit Blaenavon weather in August.
In September, the weather is characterized by a mild average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows around 3°C (37°F). With 63 mm (2.5 in) of precipitation spread over 10 days, the humidity hovers at 79%, creating a comfortable yet slightly damp atmosphere.
In contrast, October brings a notable drop in temperature, with averages falling to 11°C (52°F) and maximums around 22°C (72°F). This month experiences increased rainfall, totaling 111 mm (4.4 in) over 14 days, and humidity rises to 89%, contributing to a much cooler and wetter feel. For more detailed insights, check Blaenavon weather in October.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 28°C (83°F) and an average of 14°C (57°F). The month sees about 63 mm (2.5 in) of rainfall over approximately 10 days, with humidity levels around 79%. In contrast, November experiences cooler temperatures, with a minimum of -3°C (27°F), an average of 8°C (46°F), and a maximum of 16°C (61°F). This month is also wetter, receiving 84 mm (3.3 in) of precipitation spread across about 14 days, and the humidity increases to 90%. For more details on November weather, you can check the link: Blaenavon weather in November.
In comparing the weather between September and December, September offers a much milder climate, with temperatures ranging from a minimum of 3°C (37°F) to a comfortable average of 14°C (57°F), and highs reaching up to 28°C (83°F). This month experiences relatively moderate precipitation of 63 mm (2.5 in) over about 10 days, alongside a humidity level of 79%. In contrast, December brings a significant drop in temperatures, with a minimum of -8°C (17°F) and an average of 6°C (43°F), peaking at 13°C (56°F). Additionally, December is wetter, with 108 mm (4.3 in) of precipitation spread over 16 days and higher humidity at 89%. For more insights on the winter weather, visit Blaenavon weather in December.
As September unfolds in Blaenavon, it marks a transition from the warmer summer days to the cooler embrace of autumn. The maximum temperatures often peak around 28°C, creating a comfortable backdrop for outdoor activities, while the average dips to a brisk 14°C, with nights occasionally dropping to 3°C. Though September can bring about some delightful sunny intervals, it's not without its fair share of rainfall, averaging 63 mm over ten days. Humidity levels hovering around 79% contribute to a distinct, refreshing feel, making this month a unique blend of lingering warmth and the crispness of impending fall. For a more detailed outlook on the weather patterns that define Blaenavon throughout the year, visit Blaenavon Climate.