Last updated: March 17, 2025
In September, Whithorn experiences a mild climate with maximum temperatures reaching 21°C (69°F) and an average of 14°C (57°F), making it a pleasant time for outdoor activities. However, the weather is often unpredictable, with 113 mm (4.5 in) of rainfall spread across 17 days, contributing to a notable humidity level of 88%. Visitors should prepare for a mix of sunny spells and showers, making layered clothing and waterproof gear essential for enjoying this charming coastal town.
In Whithorn, United Kingdom, September marks a delightful transition into autumn with temperatures reflecting a gentle shift from summer's warmth. The month opens with a minimum of 7°C (44°F), providing a crisp start to the day, while the average temperature reaches a comfortable 14°C (57°F), making afternoons pleasant for outdoor activities. The highs can soar up to 21°C (69°F), reminiscent of late summer vibes. This blend of milder mornings and pleasantly warm afternoons creates perfect conditions for enjoying the stunning landscapes and rich history of the region. As September progresses, we see a gradual cooling trend, hinting at the impending chill of autumn while still embracing the last remnants of warmth before the weather shifts further.
September in Whithorn sees a notable increase in precipitation, with 113 mm (4.5 in) of rain falling over 17 days. This marks a shift from the more temperate summer months, where rainfall was generally lower, particularly in April and May. As autumn approaches, the frequency of rainy days aligns with the trend seen in the following months, where precipitation peaks again in October and November. The transition into fall is characterized by this pattern of increased moisture, suggesting that residents should be prepared for the wetter conditions that define this season.
In Whithorn, United Kingdom, September ushers in a notable rise in humidity, reaching 88%—a shift that marks a return to the levels seen earlier in the year. As summer transitions to autumn, this uptick links back to the more humid months of January and February, where humidity peaks at around 90%. The late summer months maintain relatively stable levels around 82%, but as September rolls in, the humidity bounces upward, echoing a pattern of increasing moisture in the air that culminates in the wetter months ahead. By October, the humidity creeps back up to 90%, setting the stage for the typically damp conditions that characterize the winter months. Thus, September serves as a bridge, connecting the lingering warmth of summer to the approaching chill of autumn, all while keeping the air laden with moisture.
As September arrives in Whithorn, the UV Index reflects a gradual shift from the peak summer levels, settling at a moderate level of 5. This trend is a slight decrease from the very high readings of 8 experienced in the height of summer, indicating it's time to be mindful but not overly cautious. With a burn time of approximately 30 minutes, outdoor enthusiasts can enjoy the mild sunny days of early autumn without the same urgency to seek shade as in July and August. As the month progresses towards October, expect the UV Index to further decline, making this a perfect time to relish in the lingering warmth before the colder months set in. For more insights on UV levels throughout the year, check out the detailed guide on the Whithorn UV Index.
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As summer gradually gives way to autumn, September in Whithorn shines with an impressive 303 hours of sunlight. This marks a slight decline from the sun-drenched months of July and August, which boasted peak hours of 415 and 366, respectively. The transition is evident as days begin to shorten, yet September still retains a vibrant warmth reminiscent of summer. With the monthly sunshine hours standing out against the backdrop of winter's approach, it offers a striking contrast to the gloomy January and February months, which only yield 82 and 152 hours. Ultimately, September acts as a gentle bridge, allowing residents to savor the lingering sunlight before the chill of autumn truly sets in.
In Whithorn, United Kingdom, the likelihood of sunny weather takes a notable dip in September, with only a 21% chance of sunshine gracing the sky. This trend reflects a broader pattern throughout the year, where the warmer months of April and May boast the highest probabilities of clear skies at 52% and 35%, respectively. Conversely, the summer months struggle to maintain sunny days, particularly June and August, which drop to a mere 23% and 27%. As autumn approaches, the chances of sun continue to wane, mirroring the increase in cloud cover typical for this time of year. Therefore, those planning outdoor activities in Whithorn in September should prepare for the possibility of overcast skies, as the sunny spells become less frequent, setting the stage for the cooler months ahead.
As the summer sun begins to retreat, September in Whithorn, United Kingdom, experiences a gentle shift in daylight duration, offering about 12 hours of light. This month marks a transition from the long, sun-drenched days of summer, which peak at a vibrant 17 hours in June, to the shorter, cozy afternoons of autumn. Following the seasonal pattern, daylight spans gradually decreases, with August's 14 hours giving way to the 12 hours of September, hinting at the shorter days ahead in October. Meanwhile, as we look back over the months, it’s clear that with each passing season, Whithorn welcomes a rhythmic ebb and flow of daylight, inviting residents and visitors alike to savor the unique charms of each time of year.
As autumn begins to gently unfurl its colors in Whithorn, September brings a noticeable but mild shift in the wind. With an average wind speed of 4.8 m/s (11 mph), the breezes are softer compared to the earlier summer months, where July recorded a notably placid 3.7 m/s (8 mph). This uptick in wind speed marks a transition, hinting at the gustier months ahead, particularly as October ramps up with an average of 7.3 m/s (16 mph). September's winds carry a whisper of change, setting a tranquil yet invigorating tone as the region prepares for the crispness of autumn while still retaining a hint of summer's warmth.
The weather in Whithorn 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 Whithorn and find detailed weather information for every month.
In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (69°F), with an average of 14°C (57°F). The month experiences frequent rainfall, accumulating 113 mm (4.5 in) over 17 days, and the humidity is relatively high at 88%. In contrast, January features much colder conditions, with temperatures dipping to a minimum of -2°C (29°F) and only reaching a maximum of 12°C (55°F). The average temperature is significantly lower at 6°C (44°F), and precipitation is slightly reduced to 97 mm (3.8 in) across 13 days, accompanied by a humidity level of 90%. The stark difference in temperatures and the type of precipitation make these two months quite distinct. For a more detailed look at January weather, visit Whithorn weather in January.
September and February present contrasting weather patterns, despite similar humidity levels of 88%. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (69°F), with an average of 14°C (57°F). The month experiences a notable amount of rainfall, totaling 113 mm (4.5 in) over 17 days. In contrast, February is much colder, with temperatures dipping below freezing at a minimum of -1°C (31°F) and averaging only 6°C (43°F). It also sees higher precipitation, with 149 mm (5.9 in) over 18 days. For more detailed information about February conditions, you can visit Whithorn weather in February.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 21°C (69°F) and an average of 14°C (57°F). The month experiences approximately 113 mm (4.5 in) of precipitation over 17 days, accompanied by relatively high humidity at 88%. In contrast, March tends to be much cooler, with temperatures dipping as low as -3°C (27°F) and only reaching up to 12°C (54°F), averaging 7°C (44°F). Precipitation is slightly lower at 106 mm (4.2 in), also spread across 17 days, but the humidity remains comparable at 86%. For more detailed information on the conditions in March, you can check out Whithorn weather in March.
Comparing the weather in September and April reveals notable differences in temperature and precipitation. In September, temperatures are generally milder, ranging from a minimum of 7°C (44°F) to a pleasant maximum of 21°C (69°F), with an average of 14°C (57°F). This month also experiences higher rainfall, totaling 113 mm (4.5 in) across 17 days, coupled with a humidity level of 88%. In contrast, April features cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 15°C (59°F), leading to an average of 8°C (46°F). Precipitation is significantly less, with only 47 mm (1.9 in) over 9 days and a slightly lower humidity of 85%. For a closer look at April weather conditions, you can visit Whithorn weather in April.
When comparing the weather in September and May, September tends to be warmer and wetter. The average temperature in September reaches 14°C (57°F) with maximums of 21°C (69°F), while May has a slightly cooler average temperature of 10°C (51°F) and maximums of 19°C (66°F). September also sees significantly more rainfall, with 113 mm (4.5 in) over 17 days, compared to May's 65 mm (2.5 in) over 12 days. Additionally, the humidity is higher in September at 88%, compared to May's 80%. For a more detailed overview of May weather, you can visit Whithorn weather in May.
When comparing the weather in September and June, both months exhibit similar maximum temperatures, peaking at around 21°C (69°F). However, September tends to be slightly warmer overall, with an average temperature of 14°C (57°F) compared to June's average of 13°C (56°F). In terms of precipitation, September is wetter, receiving 113 mm (4.5 in) over 17 days, whereas June experiences 97 mm (3.8 in) across just 14 days. Additionally, September has a higher humidity level at 88%, compared to June’s 83%. This suggests that September may feel slightly more humid and damp than June, making for a different outdoor experience. For more details, you can check Whithorn weather in June.
In comparing the weather of September and July, we see distinct differences in temperature and humidity. September has a lower minimum temperature of 7°C (44°F) compared to July's 11°C (52°F), and while both months share a maximum temperature of 21°C (69°F), the average temperature in September is slightly higher at 14°C (57°F) than July's 15°C (59°F). Precipitation levels are fairly similar, with September receiving 113 mm (4.5 in) over 17 days, while July has 109 mm (4.3 in) spread over 14 days. Notably, September is characterized by higher humidity at 88%, compared to July's 82%. For a more detailed look at July's weather, you can visit Whithorn weather in July.
September and August exhibit noticeable differences in weather characteristics. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (69°F), with an average of 14°C (57°F). The month is marked by higher humidity at 88% and slightly less precipitation, totaling 113 mm (4.5 in) over 17 days. In contrast, August sees a milder temperature spectrum with a minimum of 10°C (51°F) and a maximum that remains similar at 21°C (70°F), averaging 15°C (59°F). August is also wetter, with 131 mm (5.2 in) of rain over 20 days and lower humidity at 82%. For more detailed weather insights, you can refer to Whithorn weather in August.
September and October present a distinct transition in weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 21°C (69°F), with an average of 14°C (57°F), while precipitation measures 113 mm (4.5 in) over 17 days, accompanied by humidity at 88%. In contrast, October sees a drop in temperatures, with a minimum of 4°C (39°F) and a maximum of 17°C (64°F), averaging 12°C (53°F). This month also brings higher rainfall, totaling 166 mm (6.5 in) over 20 days, and slightly increased humidity at 90%. For a detailed overview of weather conditions in October, check out Whithorn weather in October.
In September, the weather tends to be milder with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 21°C (69°F), leading to an average of 14°C (57°F). This month experiences around 113 mm (4.5 in) of precipitation over 17 days, with humidity levels at 88%. By November, the temperatures drop significantly, with a minimum of 2°C (35°F) and a maximum of 14°C (57°F), resulting in a cooler average of 9°C (48°F). November is also wetter, with precipitation increasing to 163 mm (6.4 in) across 20 days, and humidity rising slightly to 92%. For more specifics on the weather in this month, you can check the details here: Whithorn weather in November.
The weather in September presents a mild transition into autumn, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 21°C (69°F) and an average of 14°C (57°F). Despite experiencing 113 mm (4.5 in) of precipitation over 17 days, the humidity remains relatively high at 88%. In contrast, December brings cooler conditions, with temperatures dipping significantly to a minimum of 0°C (32°F) and an average of 7°C (45°F). While the maximum temperature is limited to 12°C (54°F), December sees increased precipitation at 151 mm (5.9 in) across 19 days, with humidity slightly higher at 89%. For a detailed look at December weather patterns, you can visit Whithorn weather in December.
September in Whithorn is a month of transition, where the lingering warmth of summer gives way to the crispness of autumn. With temperatures averaging around 14°C, it feels noticeably cooler compared to the balmy highs of August. The increased humidity, reaching an average of 88%, adds to the feeling of dampness, especially during the 17 days of rainfall that characterize this time of year. As the month unfolds, you’ll notice a shift in the landscape, with vibrant autumn colors beginning to emerge, making it a visually stunning period. For those curious about how September's weather stacks up against other months, check out Whithorn Climate for comprehensive insights.