September Weather in Portree, United Kingdom

Last updated: March 17, 2025

As the summer winds down, Portree, United Kingdom experiences a transition into September with a blend of mild temperatures and considerable rainfall. The average daily temperature hovers around 13°C (55°F), with a peak reaching up to 19°C (66°F), while nighttime dips can bring a chill to 5°C (42°F). The month is marked by significant precipitation, totaling 177 mm (7.0 in), spread over 21 days, highlighting the region's lush, green landscape. With an average humidity of 89%, the air feels damp, making it essential for visitors to prepare for a mix of sun and showers while exploring the picturesque surroundings of this charming island town.

September Temperature in Portree

In September, Portree transitions gracefully from the warmth of summer to the cool embrace of autumn. With minimum temperatures around 5°C (42°F) and a comfortable average of 13°C (55°F), visitors can still enjoy pleasant days. The maximum temperature reaches 19°C (66°F), offering a lovely backdrop for exploring the scenic beauty of the Isle of Skye. As September progresses, the gentler heat of late summer begins to fade, marking a shift towards cooler, more refreshing weather. This month serves as a perfect bridge, allowing travelers to experience the last of the summer warmth while preparing for the crispness of fall.

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

The chart illustrates September temperature patterns in Portree, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434343465054575755514744
Data source: Temperature data for Portree generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Portree

September in Portree, United Kingdom, marks a noteworthy transition in precipitation patterns, as the town receives an average of 177 mm (7.0 in) of rainfall across 21 days. This increase from the more moderate summer months highlights a trend toward wetter conditions, setting the stage for the even more substantial downpours that October brings. While the warmth of summer lingers, September stands out for its abundant rainfall compared to the previous month, August, which saw 151 mm (5.9 in). This shift not only signifies the arrival of autumn but also underscores Portree's reputation for its variable weather, where days can shift from misty and tranquil to dramatically wet within a short span.

September Precipitation Trends in Portree

The chart displays monthly precipitation patterns in Portree, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1591721697382107130151177252193205
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Portree

As summer fades into autumn, September in Portree, United Kingdom sees a notable rise in humidity, reaching 89%. This increase is part of a broader trend, where humidity levels gradually ascend from the drier months of spring, peaking in late summer before remaining elevated into the fall. August, for instance, holds a close 88%, signaling the last throes of summer moisture, while October matches September’s humidity, maintaining a steady feeling of dampness as the seasons shift. Overall, this gradual increase underscores a characteristic coastal climate, inviting a rich, enveloping atmosphere as the landscape transitions.

September Average Humidity in Portree

This chart illustrates the average monthly humidity levels in Portree, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%84%82%84%88%88%89%90%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Portree

As September rolls in, the UV Index in Portree, United Kingdom, settles at 4, placing it in the moderate exposure category. This marks a decline from the peak summer months of July and August, where values reached as high as 7. Despite this decrease, sun-seekers should remain vigilant, as the 30-minute burn time indicates that moderate sun exposure can still lead to skin damage. Looking back at the year's trends, it's evident that while winters and early spring offer low exposure levels, the summer months demand increased sun protection. With the transition into autumn, the UV Index starts to taper off, but knowledge is power—stay informed and enjoy the changing seasons responsibly! For more details, visit Portree UV Index.

Maximum UV Index Levels in Portree for September

The chart shows the monthly maximum UV Index (UVI) for Portree 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.
JanFebMarAprMayJunJulAugSepOctNovDec123567764311
Data source: Portree 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 Portree

In September, Portree enjoys a gentle transition into autumn, basking in an impressive 267 hours of sunshine. This month showcases a significant decline from the vibrant summer months of May through August, where sunny days were abundant, peaking in May with 385 hours. While September’s light is ample compared to the dreariness of winter months like January and November, this decrease signals the onset of changing seasons. Interestingly, even as sunshine wanes heading into October, the delightful glow of September still holds charms for visitors, offering a perfect backdrop for exploring the stunning landscapes of this picturesque locale.

Monthly Sunshine Duration in Portree: September Highlighted

The September sunshine duration represents the total number of hours Portree 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.
JanFebMarAprMayJunJulAugSepOctNovDec55h129h192h321h385h373h382h353h267h197h107h65h
Data source: Portree September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portree During September

In Portree, September typically ushers in a cool touch of autumn, but the likelihood of sunny weather remains relatively modest at 17%. This trend follows a generally unpredictable summer, where sunshine chances hovered around 20% in both July and August. Compared to the brighter months such as April, which enjoys a 43% chance of sun, September's outlook can feel rather dim. As the days grow shorter and preparations for winter commence, visitors should brace for a mix of cloudy skies and intermittent rain, making the remaining sunny spells all the more precious.

Percentage of Sunny Days in September in Portree

The chart illustrates the percentage of sunny days in Portree 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 Portree experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%35%16%43%28%20%20%24%17%16%19%19%
Data source: Portree September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portree in September

September in Portree, United Kingdom, marks a subtle transition as daylight begins to wane from the height of summer. With 12 hours of daylight, it reflects a noticeable decrease from the 15 hours enjoyed in August, signaling the encroaching autumn. This month serves as a bridge between the long, sunlit days of summer and the shorter, dimmer days of fall, as daylight gradually tapers off into October's 10 hours. The gradual reduction in light from May's peak of 16 hours reveals a rhythmic cycle, inviting residents and visitors alike to embrace the changing seasons with its rich tapestry of colors and moods. As the days grow shorter, the natural beauty of Portree takes on a softer, more introspective quality, perfect for cozy walks and enjoying the stunning landscapes.

Average Daylight Hours in Portree for September

The chart illustrates the variation in daylight duration in Portree throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 23m9h 27m11h 53m14h 22m16h 37m17h 52m17h 11m15h 8m12h 42m10h 15m7h 58m6h 42m
Data source: Portree daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Portree

As September unfolds in Portree, the wind begins to pick up again, averaging 5.3 m/s (12 mph), returning to a rhythm reminiscent of the earlier months. This slight increase follows the calm of summer, where July and August offered the gentlest breezes, with speeds dipping to 3.0 m/s (7 mph) and 3.7 m/s (8 mph), respectively. The transition into autumn sees the winds regaining strength, hinting at the impending seasonal changes. Interestingly, the trend showcases a steady rise from the summer lull, warming locals and visitors alike to the idea that the invigorating gusts of fall are just around the corner.

Average September Wind Speed in Portree

The chart displays monthly wind speed patterns in Portree, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.27.96.24.94.55.33.03.75.3 m/s6.47.35.8
Data source: Portree September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Portree Compares to Other Months

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

In September, temperatures in the area range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F). The month is characterized by relatively high humidity at 89% and substantial rainfall, accumulating 177 mm (7.0 in) over 21 days. In contrast, January experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 12°C (55°F), averaging 6°C (44°F). Precipitation is slightly lower at 159 mm (6.3 in) spread over 20 days, accompanied by a slightly lower humidity level of 86%. For more detailed insights, visit Portree weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a chilly 5°C (42°F) to a comfortable high of 19°C (66°F), with an average of 13°C (55°F). The month sees significant rainfall, with precipitation measuring 177 mm (7.0 in) over 21 days and humidity resting at a high 89%. In contrast, February is markedly colder, with temperatures dipping as low as -1°C (30°F) and averaging 6°C (43°F), peaking at 12°C (53°F). Precipitation is slightly lower, totaling 172 mm (6.8 in) across 20 days, and humidity remains relatively high at 85%. For more details on February weather, check Portree weather in February.

When comparing the weather in September and March, notable differences in temperature and humidity emerge. September generally features milder temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), while March is chillier, starting at a minimum of -3°C (28°F) and averaging 6°C (44°F). Both months experience similar levels of precipitation, with September receiving 177 mm (7.0 in) and March slightly less at 169 mm (6.7 in), and both see about 21 days of rain. Humidity levels are comparable too, at 89% in September and 85% in March, indicating a consistently damp atmosphere. For a more detailed look at the weather patterns during March, you can visit Portree weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F). This month is characterized by higher precipitation, totaling 177 mm (7.0 in) over 21 days, and a humidity level of 89%. In comparison, April features cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 17°C (62°F), averaging around 8°C (46°F). The precipitation in April is significantly lower, at 73 mm (2.9 in) over 15 days, accompanied by a slightly lower humidity of 84%. For more details on April weather, consider checking Portree weather in April.

September weather tends to be slightly warmer on average than May, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 19°C (66°F). In contrast, May has a broader temperature range, from a minimum of 3°C (38°F) to a warmer maximum of 21°C (69°F). While September experiences higher precipitation levels at 177 mm (7.0 in) over 21 days, May sees significantly less rain at 81 mm (3.2 in) over 16 days. The humidity is also a bit higher in September, averaging 89% compared to 82% in May. For more details on May's weather, you can visit Portree weather in May.

In comparing the weather of June and September, we see distinct differences in both temperature and precipitation. June tends to be slightly warmer, with average temperatures reaching 12°C (54°F) and a maximum of 22°C (72°F), while September averages 13°C (55°F) with a maximum of only 19°C (66°F). Additionally, June experiences less rainfall, with 107 mm (4.2 in) over 17 days, compared to September's 177 mm (7.0 in) over 21 days. Despite being only a month apart, June's humidity is slightly lower at 84%, compared to September's 89%. For a detailed look at June weather in Portree, you can view more information here: Portree weather in June.

When comparing the weather in September to that of July, September tends to be cooler and wetter. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F), while July features warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 22°C (71°F), averaging 14°C (57°F). Additionally, September sees significantly more precipitation, totaling 177 mm (7.0 in) over 21 days, compared to July's 130 mm (5.1 in) over 19 days. The humidity remains relatively high in both months, with September at 89% and July at 87%. For more details, you can explore Portree weather in July.

In comparing the weather between August and September, we observe a noticeable drop in temperatures as September features a minimum of 5°C (42°F) and a maximum of 19°C (66°F), compared to August's milder temperatures of 9°C (49°F) to 21°C (70°F). Additionally, September tends to be wetter, receiving 177 mm (7.0 in) of precipitation over 21 days, whereas August sees slightly less rainfall at 151 mm (5.9 in) over the same number of days. Humidity levels are quite similar, with September maintaining an 89% humidity and August at 88%. For more details on August weather, you can check Portree weather in August.

In comparing the weather of September and October, we see a notable shift in temperature and precipitation patterns. September tends to be slightly warmer, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 19°C (66°F). In contrast, October cools down, with an average low of 4°C (39°F) and a high of 17°C (62°F). Additionally, October experiences increased precipitation, totaling 252 mm (9.9 in) over 25 days, compared to September's 177 mm (7.0 in) over 21 days. Despite these changes, humidity remains consistent at 89% in both months. For more detailed insights, you can check Portree weather in October.

September and November present notable differences in weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F), while November sees cooler temperatures, averaging 8°C (47°F), with a minimum of 2°C (36°F) and a maximum of 14°C (57°F). Both months experience significant rainfall, with September receiving 177 mm (7.0 in) over 21 days and November slightly wetter at 193 mm (7.6 in) across 23 days. Humidity remains high in both months, with September at 89% and November at 90%. Overall, November tends to be cooler and wetter than September. For more detailed weather insights, you can visit Portree weather in November.

September and December in Portree present notably different weather experiences. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 19°C (66°F), with an average of 13°C (55°F). This month sees significant precipitation, accumulating to 177 mm (7.0 in) over 21 days, while humidity remains high at 89%. In contrast, December brings cooler conditions, with temperatures dropping to a minimum of 0°C (32°F) and peaking at 12°C (54°F), averaging 7°C (45°F). Despite the colder weather, December experiences even more precipitation, totaling 205 mm (8.1 in) over 25 days, accompanied by slightly lower humidity at 86%. For more details, check Portree weather in December.

Compare Portree's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Portree

As September unfolds in Portree, the weather begins to shift noticeably compared to the preceding summer months. With average temperatures dipping to a cool 13°C (55°F), visitors can expect a refreshingly brisk atmosphere, setting the stage for the vibrant hues of autumn. However, this month brings a significant increase in precipitation and humidity, with rain likely on nearly three-quarters of the days, resulting in a lush landscape. Those who embrace the charm of Portree in September will find that the milder temperatures and frequent rain showers contribute to a unique, enchanting character not found in the warmer months. For a detailed look at what to expect throughout the year, explore the complete Portree Climate resource.