Last updated: March 17, 2025
In September, Great Glen, United Kingdom, experiences a diverse climate, marked by a maximum temperature reaching 29°C (84°F) and a comfortable average of 14°C (58°F). Visitors may encounter cooler nights, with minimum temperatures dropping to 3°C (37°F). The region sees about 62 mm (2.5 in) of precipitation over 10 days, contributing to a humidity level of 85% that adds a crisp freshness to the air. This blend of warm days and cool nights, coupled with occasional rainfall, creates a dynamic atmosphere perfect for exploring the scenic beauty of the Highlands.
In September, Great Glen experiences a delightful transition as summer fades into autumn. With minimum temperatures around 3°C (37°F) and averages rising to 14°C (58°F), the weather remains pleasantly mild, inviting outdoor activities and scenery appreciation. The maximum temperatures can reach a warm 29°C (84°F), offering a final taste of summer's warmth before cooler months descend. As the days gradually shorten and the leaves begin to change, there’s a charming blend of lingering sunshine and the crispness that autumn brings, making September a picturesque time to explore this scenic part of the United Kingdom.
In September, Great Glen experiences a shift in its rainfall pattern, receiving 62 mm (2.5 in) of precipitation over 10 days, indicating a slight decrease from the previous month’s totals. This transition marks the end of the summer period, where August saw a peak of 78 mm across 13 days. As autumn approaches, September's weather introduces a mix of milder days and intermittent showers, setting the stage for the wetter months ahead. This dip in rainfall contrasts with the anticipated increase in October, which typically brings 84 mm (3.3 in), suggesting that while September may be drier, it still maintains a significant level of moisture essential for the lush landscapes of the region.
In September, Great Glen experiences a noticeable shift in humidity, with levels averaging around 85%. This marks an increase from the drier months of July and August, which saw humidity dip to 76% and 77%, respectively. As autumn approaches, the lingering warmth gives way to the characteristic moisture that follows, leading into October when humidity rises once more to 90%. The trend throughout the year shows a gradual decline during the summer months, only to rebound in the fall, reflecting the region's transition from the warmth of summer to the coolness of winter. This cyclical pattern highlights Great Glen's reliance on maritime influences, ensuring that even as the seasons change, a certain level of humidity remains a constant backdrop.
As September unfolds in Great Glen, the UV Index settles at 5, indicating a moderate level of sun exposure with a burn time of about 30 minutes. This reflects a transition from the intense summer months, where the index peaked at 8 in June and July, to a more manageable level. The warmth of early autumn allows for comfortable outdoor activities, but it's still wise to take precautions against UV radiation. Interestingly, this month mirrors the UV levels from April, suggesting a gradual decrease as we approach autumn. For a comprehensive understanding of how the UV Index varies throughout the year, visit Great Glen UV Index.
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As summer fades, September in Great Glen offers a delightful transition marked by 285 hours of sunshine, showcasing a substantial yet soft decline from the sun-soaked peak of July and August. This month represents a beautiful balance, allowing residents and visitors to bask in the lingering warmth of summer while hinting at the cooler days ahead. Following the majestic highs of late spring and summer, September maintains a radiant atmosphere that encourages outdoor activities, making it a perfect time for walks amidst the changing foliage. With shorter days approaching in October, the month serves as a gentle reminder to savor the pleasant days before autumn’s embrace fully takes hold.
In September, Great Glen experiences a 29% chance of sunny weather, reflecting a slight uptick compared to the waning summer months of July and August, which stand at 35% and 21% respectively. This increase indicates a transitional phase as autumn approaches, with more favorable conditions than the preceding months. Overall, while September does not boast the sunniest days of the year, it provides a noteworthy invitation to enjoy the lingering warmth before the clouds of autumn set in.
As summer fades in Great Glen, September brings a gentle decline in daylight, with the sun gracing the sky for 12 hours. This marks a transition from the long, vibrant days of June and July, where daylight peaked at 16 hours, gradually tapering off into the cozy autumn months. August saw a slight decrease at 14 hours, a clear signal that the longer days are giving way to the crispness of fall. Following September, the daylight hours drop further to 10 hours in October and plummet to 8 hours by November. This rhythmic pattern underscores the shifting seasons, inviting residents to savor the rich colors and cooler temperatures of the approaching autumn.
As September unfolds in Great Glen, the average wind speed settles at a gentle 3.6 m/s (8 mph), marking a subtle decline from the breezier summer months. After enjoying the moderate gusts of 4.0 m/s (9 mph) in August, the transition into autumn brings a softer touch, creating a more tranquil atmosphere. This pattern of fluctuating winds reflects the natural rhythm of the seasons, with September often ushering in a calm before the brisk air of October’s 5.1 m/s (11 mph). Observing this gradual shift, one can appreciate how the winds shift from the vibrant summer breezes to the cooler, more serene autumn whispers, painting a vivid picture of nature's cycle in this picturesque part of the United Kingdom.
The weather in Great Glen 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 Great Glen and find detailed weather information for every month.
September and January present two distinct weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to an average of 14°C (58°F), peaking at 29°C (84°F), making it a much warmer month overall. The humidity sits at a comfortable 85%, with precipitation totaling 62 mm (2.5 in) over approximately 10 days. In contrast, January experiences colder conditions, with temperatures dipping to a minimum of -5°C (24°F) and averaging around 4°C (40°F), while the maximum only reaches 14°C (57°F). Although January has slightly less precipitation at 52 mm (2.0 in) and similar rainfall days, the humidity is higher at 90%. For more insights about winter conditions, see Great Glen weather in January.
September and February present notably different weather patterns. In September, temperatures range from a cool 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average temperature of about 14°C (58°F). The month experiences relatively high humidity at 85% and sees around 62 mm (2.5 in) of precipitation over approximately 10 days. In contrast, February is much chillier, with temperatures dipping to a minimum of -5°C (23°F) and reaching a maximum of 18°C (64°F), averaging around 5°C (42°F). Precipitation is slightly lower at 54 mm (2.1 in) but occurs on about 11 days, along with an even higher humidity level of 88%. For more detailed insights, you can check Great Glen weather in February.
September and March showcase contrasting weather conditions. In September, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (58°F). The month sees about 62 mm (2.5 in) of precipitation over 10 days and maintains a humidity level of 85%. Conversely, March experiences colder temperatures, with a minimum of -7°C (19°F) and a maximum of 21°C (70°F), resulting in a cool average of 7°C (44°F). It also has similar rainfall totals of 63 mm (2.5 in), but spread over more days, totaling 13. The humidity in March is slightly higher at 86%. For more detailed weather conditions during March, you can check Great Glen weather in March.
September and April present distinct weather profiles, reflecting the transition between summer and autumn in September and the approach of spring in April. In September, temperatures range from a cool 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 14°C (58°F). This month sees a higher amount of precipitation at 62 mm (2.5 in) over approximately 10 days, accompanied by a humidity level of 85%. In contrast, April experiences cooler conditions, with temperatures dipping as low as -2°C (29°F) at night and reaching a maximum of 26°C (79°F) during the day, averaging 9°C (48°F). April generally has less precipitation, totaling 41 mm (1.6 in) across about 8 days, and maintains a slightly lower humidity level at 84%. For more detailed weather insights in April, check out Great Glen weather in April.
When comparing the weather in September to that of May, September tends to be warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), while May has a slightly cooler range from 0°C (32°F) to 26°C (79°F). Both months experience similar levels of precipitation, with September receiving 62 mm (2.5 in) over approximately 10 days and May receiving slightly more at 67 mm (2.6 in) over about 12 days. Additionally, September tends to be more humid at 85%, compared to May's 80%. For more details on May's climate, you can refer to this link: Great Glen weather in May.
When comparing the weather in September and June, we see some notable differences. September typically starts off with warmer temperatures, boasting a maximum of 29°C (84°F), while June is only slightly cooler at a max of 30°C (87°F). However, September features a wider temperature range, with minimums dipping to 3°C (37°F) compared to June's 6°C (43°F). Precipitation levels are also higher in June, with 74 mm (2.9 in) spread over 11 days, compared to September's 62 mm (2.5 in) over 10 days. Humidity is relatively high in both months, but September has a slightly higher average at 85% compared to June's 81%. For more detailed information about June weather, you can refer to Great Glen weather in June.
In comparing the weather of September and July, notable differences in temperature and humidity emerge. September experiences a wider temperature range, with minimums as low as 3°C (37°F) and maximums reaching 29°C (84°F), leading to an average of 14°C (58°F). In contrast, July enjoys warmer temperatures, with minimums around 6°C (44°F), an average of 18°C (64°F), and maximums soaring up to 36°C (97°F). Precipitation is slightly higher in July, at 77 mm (3.0 in) over 13 days, compared to September’s 62 mm (2.5 in) over 10 days, though humidity remains slightly lower in July at 76% compared to September's 85%. For a detailed look at the weather in July, visit Great Glen weather in July.
In comparing the weather between September and August, September tends to be cooler overall, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), resulting in an average of 14°C (58°F). In contrast, August is warmer, featuring a minimum temperature of 8°C (46°F) and peaking at 34°C (93°F) with an average temperature of 17°C (63°F). Precipitation is also more pronounced in August, with a total of 78 mm (3.1 in) over 13 days, compared to September's 62 mm (2.5 in) spread across 10 days. Additionally, September exhibits higher humidity levels at 85%, while August maintains a relatively lower humidity of 77%. For more details, check out the Great Glen weather in August.
In September, the weather offers a warmer embrace with minimum temperatures around 3°C (37°F) and daytime highs peaking at 29°C (84°F), averaging a comfortable 14°C (58°F). However, the month also brings notable humidity at 85% and around 62 mm (2.5 in) of precipitation over approximately 10 days.
As October arrives, temperatures drop further, with minimums dipping to 0°C (32°F) and maximums reaching only 23°C (73°F), resulting in an average of 11°C (52°F). This change is accompanied by increased precipitation, totaling 84 mm (3.3 in) over about 12 days, and slightly higher humidity levels at 90%. For more details, you can check Great Glen weather in October.
September and November present notable contrasts in weather. September enjoys mild temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), with an average of 14°C (58°F). It also experiences relatively high humidity at 85%, and while it sees about 62 mm (2.5 in) of precipitation over approximately 10 days, the overall atmosphere feels warm and inviting. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and averaging just 7°C (45°F), peaking at 17°C (63°F). Although the precipitation level is comparable at 61 mm (2.4 in), it spans over 12 days, resulting in a marked increase in humidity to 92%, creating a distinctly chillier and wetter environment. For more detailed insights, you can visit Great Glen weather in November.
In September, temperatures range from a chilly 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (58°F). The month sees approximately 62 mm (2.5 in) of precipitation over about 10 days, resulting in a humidity level of 85%. In contrast, December's weather is significantly cooler, with temperatures dipping as low as -5°C (23°F) and averaging 6°C (42°F). The maximum temperature reaches only 14°C (58°F). Additionally, December experiences more precipitation at 80 mm (3.1 in) over roughly 15 days, coupled with a higher humidity of 90%. For a detailed look at what to expect, visit Great Glen weather in December.
As September unfolds in Great Glen, it ushers in a refreshing transition from the warmth of summer towards the crispness of autumn. While temperatures can reach a pleasant maximum, the overall average brings a cooler ambiance, making it a delightful time for outdoor activities. The region experiences a noticeable uptick in humidity and a modest amount of rainfall that brings life to the lush landscapes. This month is characterized by its lively weather patterns, distinct from the hotter and drier spells of summer. To explore more about what each season has in store, check out Great Glen Climate.