September Weather in Portpatrick, United Kingdom

Last updated: March 17, 2025

September in Portpatrick, United Kingdom, ushers in a blend of mild temperatures and considerable rainfall, providing a charming yet unpredictable coastal climate. With maximum temperatures reaching up to 18°C (66°F) and an average of 14°C (58°F), visitors can expect cool days perfect for exploration. However, the weather doesn't shy away from precipitation, with 108 mm (4.3 in) of rain spread over 17 days, contributing to the area's lush landscapes. The high humidity at 88% adds a certain softness to the air, making it a refreshing experience for those who embrace the blend of sunshine and showers. Whether you're wandering the scenic shores or enjoying local cuisine, be prepared for a month that captures the essence of Portpatrick’s coastal allure.

September Temperature in Portpatrick

In September, Portpatrick experiences a gentle transition into autumn, with temperatures ranging from a minimum of 10°C (50°F) to a comfortable maximum of 18°C (66°F). This marks a notable shift from the summer warmth of August, where highs peak at 19°C (66°F). The average temperature settles around 14°C (58°F), providing a mild yet refreshing experience for visitors. As the month progresses, the region begins to cool, hinting at the crisp air of October ahead. Overall, September offers a delightful climate, perfect for exploring the picturesque coastal views without the summer crowds.

September Weather in Portpatrick: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Portpatrick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454445465054575957545047
Data source: Temperature data for Portpatrick generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Portpatrick

In September, Portpatrick experiences a significant precipitation level, with an average rainfall of 108 mm (4.3 in) over 17 days. This marks a continuation of the wet trend established in the preceding months, particularly August's 116 mm (4.6 in). As summer transitions into autumn, the rainfall begins to increase, setting the stage for October’s even heftier 153 mm (6.0 in). The spike in precipitation also foreshadows the wetter months ahead, as November and December typically see the highest rainfall figures of the year. Overall, September serves as a pivotal month, reflecting a seasonal shift toward increased moisture and setting a precedent for the ensuing autumnal deluge.

September Precipitation Trends in Portpatrick

The chart displays monthly precipitation patterns in Portpatrick, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9612492415685106116108153156145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Portpatrick

In September, Portpatrick, United Kingdom, experiences a notable increase in humidity, peaking at 88%. This rise marks a transition from the summer months, where humidity remains relatively stable around 86% in both July and August. Following this peak, humidity continues to trend upward into the autumn, reaching 89% in October and 90% in November, highlighting a gradual escalation as the region prepares for the wetter winter months. Overall, the data reveals a consistent pattern of higher humidity levels during the late summer into autumn, underscoring Portpatrick's characteristic moist climate.

September Average Humidity in Portpatrick

This chart illustrates the average monthly humidity levels in Portpatrick, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Portpatrick

As summer gives way to autumn in Portpatrick, the September UV Index reflects a moderate level at 5, requiring a burn time of about 30 minutes for unprotected skin. While the UV levels drop from the very high readings of July and June, they remain higher than the winter months, indicating that sun protection is still essential. This transition highlights a notable trend: after peaking during the summer, UV exposure begins to moderate, making September a perfect time for outdoor activities while still being mindful of the sun. For more detailed information, visit Portpatrick UV Index.

Maximum UV Index Levels in Portpatrick for September

The chart shows the monthly maximum UV Index (UVI) for Portpatrick in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Portpatrick September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Portpatrick

As September arrives in Portpatrick, the lingering warmth of summer still casts a golden glow over this picturesque village. With 302 hours of sunshine, September marks a delightful transition, offering a sun-drenched retreat before the chill of autumn settles in. This month showcases a steady decline from the sun-soaked heights of July and August, which boasted upwards of 400 hours, but still outshines the darker winter months ahead. The gradual tapering of daylight not only enhances the charm of Portpatrick’s coastal views but also entices visitors to savor the last hints of summer amidst the stunning landscape. As the days shorten, the beauty of September reminds us to cherish every radiant moment.

Monthly Sunshine Duration in Portpatrick: September Highlighted

The September sunshine duration represents the total number of hours Portpatrick experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec82h153h222h335h413h407h414h361h302h232h122h92h
Data source: Portpatrick September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portpatrick During September

As summer fades, September in Portpatrick, United Kingdom typically ushers in a shift toward more overcast skies, evidenced by a modest 23% chance of sunny weather. This month marks a notable dip in sunny days compared to the preceding months, with June and July boasting 26% and 38% respectively. Interestingly, April leads the pack with a more promising 51% likelihood of sunshine, while the dreariness settles in more fully as autumn approaches, with October and November dropping even further to 21% and 25%. Thus, while September retains some warmth, those seeking sun may need to temper their expectations as the season transitions.

Percentage of Sunny Days in September in Portpatrick

The chart illustrates the percentage of sunny days in Portpatrick throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Portpatrick experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%31%24%51%38%26%38%25%23%22%25%17%
Data source: Portpatrick September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portpatrick in September

As summer fades into autumn, September in Portpatrick, United Kingdom, offers a gentle transition with an average daylight duration of 12 hours. This marks a noticeable decline from the sun-drenched months of June and July, which bask in 17 and 16 hours of daylight, respectively. The month serves as a bridge, as daylight begins to taper off from the vibrant summers, yet still provides ample light for outdoor activities and scenic explorations. Following September, the hours of daylight continue their downward trend into October and November, with only 10 and 8 hours respectively, hinting at the approaching winter months. Enjoying September's moderate daylight allows residents and visitors to appreciate Portpatrick's coastal charm before the long nights set in.

Average Daylight Hours in Portpatrick for September

The chart illustrates the variation in daylight duration in Portpatrick throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 53m9h 42m11h 53m14h 9m16h 8m17h 13m16h 38m14h 49m12h 39m10h 25m8h 23m7h 17m
Data source: Portpatrick daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Portpatrick

As summer fades into autumn, September in Portpatrick experiences a gentle shift in its winds, with an average speed of 5.5 m/s (12 mph). This slight increase from the calmer months of July and August reflects the transition toward more dynamic weather patterns, setting the stage for the brisk breezes of fall. Interestingly, September's winds are less turbulent than the gusty conditions expected in October, which sees a notable rise to 8.6 m/s (19 mph). This trend of gradually increasing wind speeds hints at the approaching change of seasons, making September a quiet yet pivotal month in the coastal rhythm of life in this picturesque UK town.

Average September Wind Speed in Portpatrick

The chart displays monthly wind speed patterns in Portpatrick, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.87.75.66.56.14.45.25.5 m/s8.69.18.7
Data source: Portpatrick September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Portpatrick Compares to Other Months

The weather in Portpatrick 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 Portpatrick and find detailed weather information for every month.

In September, the weather is generally milder, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), resulting in an average temperature of 14°C (58°F). This month also experiences significant rainfall, with 108 mm (4.3 in) spread over 17 days, contributing to a high humidity level of 88%. In contrast, January brings cooler temperatures, with a minimum of 3°C (37°F), an average of 7°C (45°F), and a maximum of 13°C (55°F). Although January sees slightly less precipitation at 96 mm (3.8 in) over 15 days, the humidity remains similar at 87%. For more detailed insights into January weather, visit Portpatrick weather in January.

September and February exhibit contrasting weather patterns, illustrating the transition from late summer to late winter. In September, temperatures typically range from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), with an average of 14°C (58°F). The month experiences significant rainfall, totaling 108 mm (4.3 in) over 17 days, and humidity levels are relatively high at 88%. In contrast, February presents much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of only 11°C (53°F), averaging around 7°C (45°F). Although February sees slightly higher precipitation at 124 mm (4.9 in), it also extends over 17 days, with humidity remaining marginally lower at 86%. For a detailed look at the weather conditions specific to February, you can check Portpatrick weather in February.

September and March exhibit stark contrasts in weather conditions. September typically boasts milder temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), with an average temperature of 14°C (58°F). In contrast, March experiences chillier weather, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 11°C (52°F) and an average of 7°C (45°F). While both months see approximately 17 days of precipitation, September receives more rainfall, totaling 108 mm (4.3 in), compared to March's 92 mm (3.6 in). The humidity levels are relatively similar, at 88% in September and 86% in March, emphasizing the dampness characteristic of both months. For more detailed information, check out Portpatrick weather in March.

When comparing the weather in September and April, several distinct differences emerge. September tends to be milder with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), while April is generally cooler, with temperatures only reaching a maximum of 13°C (56°F) and a minimum of 3°C (37°F). Additionally, September experiences significantly higher precipitation, with 108 mm (4.3 in) over 17 days compared to April's 41 mm (1.6 in) over just 8 days. Humidity levels are relatively similar, with September at 88% and April slightly less at 85%. For more details on the specific climate of April, you can visit Portpatrick weather in April.

When comparing the weather in September and May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), whereas May has cooler averages, with temperatures ranging from 5°C (41°F) to 16°C (61°F). Additionally, September experiences more rainfall, totaling 108 mm (4.3 in) over 17 days, compared to May's 56 mm (2.2 in) spread over just 11 days. Humidity levels are also higher in September at 88%, compared to May's 82%. For more details on May weather specifically, you can refer to Portpatrick weather in May.

In comparing the weather between September and June, September tends to be slightly warmer with average temperatures reaching 14°C (58°F), while June has a lower average of 12°C (55°F). The maximum temperatures in September also peak higher at 18°C (66°F), compared to June's maximum of 17°C (62°F). However, September is notably wetter, receiving 108 mm (4.3 in) of precipitation over 17 days, whereas June sees less rainfall at 85 mm (3.4 in) across 13 days. Humidity levels are a bit higher in September at 88%, compared to June's 84%. For more details about the weather in June, you can visit Portpatrick weather in June.

In September, the weather tends to be slightly cooler with minimum temperatures around 10°C (50°F) and a maximum of 18°C (66°F), while July enjoys a higher minimum of 12°C (53°F) with similar maximum temperatures. Both months share an average temperature of 14°C (58°F). Precipitation levels are comparable, with September seeing 108 mm (4.3 in) over 17 days, slightly more than July's 106 mm (4.2 in) across 13 days. Additionally, September's humidity is a bit higher at 88%, compared to July's 86%. For more detailed information, check out Portpatrick weather in July.

September's weather in Portpatrick marks a noticeable shift from August, with slightly cooler temperatures and increased rainfall. The minimum temperature drops from 12°C (53°F) in August to 10°C (50°F) in September, while the average temperature decreases from 15°C (59°F) to 14°C (58°F). Although the maximum temperature remains stable at 19°C (66°F) in August and 18°C (66°F) in September, September experiences a bit more precipitation, totaling 108 mm (4.3 in) over 17 days compared to August’s 116 mm (4.6 in) over 18 days. Overall, September feels a touch more humid at 88%, compared to August's 86%. For more details on August weather, visit Portpatrick weather in August.

In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 18°C (66°F), with an average of 14°C (58°F). The month experiences significant precipitation, accumulating 108 mm (4.3 in) over 17 days, and maintains high humidity levels at 88%. In contrast, October sees a slight drop in temperature, with minimums at 6°C (44°F) and a maximum of 17°C (62°F), averaging 12°C (54°F). Additionally, October is wetter, with precipitation rising to 153 mm (6.0 in) over 21 days and humidity slightly increasing to 89%. For more detailed insights, check out Portpatrick weather in October.

In comparing the weather between September and November, we see a noticeable decline in temperatures and an increase in precipitation. September typically enjoys milder conditions, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F). In contrast, November brings cooler temperatures, with averages from 5°C (42°F) to 14°C (58°F). Additionally, November experiences more rainfall, accumulating 156 mm (6.1 in) over 21 days, compared to September's 108 mm (4.3 in) over 17 days. The humidity remains relatively high in both months, with November slightly edging out at 90%. For a more detailed look at November’s weather patterns, you can check Portpatrick weather in November.

In September, the weather tends to be milder, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 18°C (66°F). The month experiences considerable rainfall, totaling 108 mm (4.3 in) over approximately 17 days, accompanied by high humidity at 88%. In contrast, December brings cooler temperatures, where the average ranges from a low of 2°C (37°F) to a high of 13°C (55°F). It also sees increased precipitation, with 145 mm (5.7 in) spread across about 22 days, and slightly lower humidity at 86%. For more details about December weather, you can check Portpatrick weather in December.

Compare Portpatrick's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Portpatrick

As September rolls into Portpatrick, the weather transforms, striking a balance between mild and refreshing. With temperatures averaging around 14°C (58°F), this month offers a notable drop from the warmer summer months, while the rich humidity of 88% adds a distinct coastal feel. Rainfall becomes more frequent, with precipitation recorded on 17 days, highlighting a shift towards the wetter conditions that autumn brings. Despite this, the occasional sunny day invites visitors to explore the stunning landscapes, making September a uniquely charming time to experience the allure of Portpatrick. For a deeper understanding of the climate patterns throughout the year, check out Portpatrick Climate.