September Weather in Largs, United Kingdom

Last updated: March 17, 2025

In Largs, United Kingdom, September offers a mild yet unpredictable climate marked by a maximum temperature reaching 26°C (78°F) and an average of 13°C (56°F). Visitors should prepare for a mix of weather, as the area experiences about 107 mm (4.2 in) of rainfall spread over 16 days, contributing to a high humidity level of 88%. This blend of warmth and moisture makes September a unique month for those exploring the scenic charm of Largs, where beautiful coastal views meet the crispness of early autumn.

September Temperature in Largs

In September, Largs, United Kingdom, starts to transition from the warmth of summer into the cooler embrace of autumn. The temperatures during this month showcase a remarkable balance: with minimums dipping to around 0°C (32°F) at night, while daytime highs can reach a pleasant 26°C (78°F). On average, the temperature hovers around 13°C (56°F), providing a comfortable climate for outdoor activities. Notably, this is one of the last months when temperatures remain relatively mild, setting the stage for the cooler temperatures that follow in October and November. As summer ends, the lush landscapes of Largs offer a beautiful backdrop, inviting both locals and visitors to revel in the changing season.

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

The chart illustrates September temperature patterns in Largs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424243465257595955514643
Data source: Temperature data for Largs 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 Largs

September in Largs, United Kingdom, welcomes a shift towards autumn with an average precipitation of 107 mm (4.2 in) over 16 days of rain. This marks a slight decrease from the previous month's 141 mm (5.6 in) but continues the trend of frequent moisture, characteristic of Largs' climate. As the summer warmth fades, September's rainfall provides a crucial boost to the region's lush landscapes, just paving the way for the wetter months ahead, particularly October, which sees a surge with 166 mm (6.5 in). While the precipitation patterns fluctuate, the consistent rainfall throughout late summer and early autumn underscores Largs' dependence on its temperate maritime climate, ensuring that the area's natural beauty remains vibrant.

September Precipitation Trends in Largs

The chart displays monthly precipitation patterns in Largs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1001481144767109100141107166133140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Largs

In September, Largs experiences a notable rise in humidity, with levels climbing back up to 88% after a couple of months of slightly lower readings. This shift marks a return to the more moisture-laden atmosphere typical of the late summer and early autumn months. While the humidity dips from May through August, it remains relatively high compared to other months of the year, reflecting the region's coastal climate. As temperatures begin to cool down, the increased humidity can create a mellow, misty ambiance, setting the stage for the shifting seasons ahead and hinting at the even wetter conditions that October and November are known for.

September Average Humidity in Largs

This chart illustrates the average monthly humidity levels in Largs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Largs

In September, the UV Index in Largs, United Kingdom holds steady at 5, categorizing the exposure as moderate. This marks a slight decline from the peak summer months in July and August, which experienced higher UV levels of 8 and 6, respectively. As autumn approaches, you can expect a burn time of up to 30 minutes, similar to October. The trend reveals a gradual shift from the intense sun exposure of summer to more manageable levels, making it a great time for outdoor activities with the added layer of precaution. For more detailed insights on UV exposure in this charming coastal town, check out the Largs UV Index.

Maximum UV Index Levels in Largs for September

The chart shows the monthly maximum UV Index (UVI) for Largs 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Largs 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 Largs

In Largs, United Kingdom, September emerges as a remarkable month, basking in 280 hours of sunshine that marks a gentle transition from the peak summer warmth of July and August. As the longest days of summer give way to a more temperate autumn, the sunshine hours begin to taper off, leading into the cooler months of October and November. This trend highlights a steady descent from the sun-soaked highs of May and June, where over 395 hours were recorded, down through the vibrant summer. While September may not shine as brightly as its summer predecessors, it still offers a generous amount of sun, inviting locals and visitors alike to enjoy the pleasant outdoor experiences before the impending winter chill sets in.

Monthly Sunshine Duration in Largs: September Highlighted

The September sunshine duration represents the total number of hours Largs 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.
JanFebMarAprMayJunJulAugSepOctNovDec70h132h189h321h395h387h398h350h280h210h111h74h
Data source: Largs September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Largs During September

As summer fades, the likelihood of sunny weather in September in Largs, United Kingdom, dips to 18%, marking one of the year's lowest probabilities for sunshine. This shift is part of a downward trend seen as we transition from the brighter months of spring, where a peak of 49% occurs in April, to the cooler autumn days. The subsequent months reflect a consistent decrease, with October also sitting at 18%. This pattern suggests that while September might still hold onto the remnants of summer warmth, sunny days become increasingly elusive as the season progresses. If you're hoping for sun in September, be prepared for the chance of cloud cover to dominate the skies.

Percentage of Sunny Days in September in Largs

The chart illustrates the percentage of sunny days in Largs 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 Largs experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%28%20%49%32%24%28%26%18%18%27%16%
Data source: Largs September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Largs in September

As summer gives way to autumn in Largs, September ushers in a gradual decrease in daylight, offering around 12 hours of light each day. Following the long, sunlit days of June and July, where daylight peaks at 17 hours, September reflects a natural transition towards shorter days, mirroring the shift from vibrant summer activities to the cozy routines of fall. This decrease in daylight, though noticeable, is mild compared to the sharp declines that follow in October and November, where daily light drops to 10 and 8 hours, respectively. Overall, September provides a balanced blend of daylight, allowing residents to enjoy the tail end of warmer days while gently reminding them of the approaching winter months.

Average Daylight Hours in Largs for September

The chart illustrates the variation in daylight duration in Largs throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 44m9h 37m11h 53m14h 13m16h 17m17h 24m16h 48m14h 55m12h 40m10h 22m8h 16m7h 7m
Data source: Largs daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Largs

As September unfolds in Largs, United Kingdom, the winds begin to pick up ever so slightly, averaging 3.5 m/s (8 mph). This gentle breeze offers a refreshing change from the calmer July and August months, where winds dipped to 2.5 m/s and 3.0 m/s respectively. While September's winds are not as robust as those found in earlier months like February, which boasted winds of 6.5 m/s (14 mph), the consistent airflow indicates a transition towards the stronger gusts typical of autumn. The trend shows that as the year progresses into the cooler months, the wind speeds generally rise, paving the way for the invigorating winds of October and November, making this coastal town an ever-changing spectacle of nature's breath.

Average September Wind Speed in Largs

The chart displays monthly wind speed patterns in Largs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.96.55.03.23.63.72.53.03.5 m/s4.95.24.3
Data source: Largs September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Largs Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a chilly 0°C (32°F) at night to a pleasant high of 26°C (78°F) during the day, with an average temperature of 13°C (56°F). This month also experiences relatively high precipitation of 107 mm (4.2 in) over approximately 16 days, combined with humidity levels around 88%. In contrast, January sees temperatures drop significantly, with a minimum of -4°C (25°F) and a maximum of only 13°C (56°F), averaging at 5°C (42°F). Precipitation remains similar at 100 mm (3.9 in) but occurs over slightly fewer days (15), and humidity rises to 90%. For more detailed insights on January weather, check out Largs weather in January.

September and February present distinct weather characteristics. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F). The month experiences about 107 mm (4.2 in) of precipitation spread over 16 days, all while maintaining a consistent humidity level of 88%. In contrast, February is notably colder, with temperatures dipping as low as -4°C (24°F) and only reaching a maximum of 14°C (57°F), averaging around 6°C (42°F). This month sees increased precipitation of 148 mm (5.8 in) over 18 days, while humidity remains steady at 88%. For a closer look at the weather specifics, visit Largs weather in February.

In comparing the weather of September and March, we observe notable differences in temperature and precipitation patterns. September typically experiences milder conditions, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), while March sees cooler temperatures, ranging from a minimum of -6°C (22°F) to a maximum of 17°C (62°F). Both months receive considerable precipitation, with September recording 107 mm (4.2 in) over 16 days and March slightly higher at 114 mm (4.5 in) over 17 days. Humidity levels are relatively similar, with September at 88% and March at 86%. For more detailed insights into March weather, visit Largs weather in March.

In September, the weather tends to be warmer with a minimum temperature of 0°C (32°F) and an average of 13°C (56°F), peaking at a maximum of 26°C (78°F). The month experiences relatively high precipitation, totaling 107 mm (4.2 in) over 16 days, along with humidity levels around 88%. In contrast, April is cooler, with temperatures ranging from a minimum of -3°C (27°F) to an average of 8°C (47°F) and a maximum of 22°C (71°F). It also sees significantly less rainfall, totaling 47 mm (1.9 in) over 11 days, and a slightly lower humidity of 85%. For more detailed information, you can check Largs weather in April.

September and May exhibit distinct weather patterns, making each month unique. September tends to be warmer, with average maximum temperatures reaching 26°C (78°F) compared to May’s maximum of 25°C (77°F). However, September also brings a higher average precipitation of 107 mm (4.2 in) over 16 days, whereas May experiences less rain at 67 mm (2.6 in) across just 11 days. Humidity levels are slightly higher in September at 88%, compared to 80% in May. For a closer look at what to expect in May, you can check Largs weather in May.

In September, temperatures can range from a chilly 0°C (32°F) at night to a pleasant maximum of 26°C (78°F) during the day, with an average temperature of 13°C (56°F). In contrast, June sees milder nights starting at 6°C (44°F) and warmer days peaking at 27°C (80°F), yielding a slightly higher average of 14°C (57°F). Both months experience similar precipitation levels, with September recording 107 mm (4.2 in) and June at 109 mm (4.3 in), though they are characterized by high humidity—88% in September and 83% in June. For more details on June weather, check this link: Largs weather in June.

In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F). This month experiences higher precipitation, totaling 107 mm (4.2 in) over 16 days, and a humidity level of 88%. In contrast, July is warmer, featuring temperatures that span from a minimum of 8°C (46°F) to the same maximum of 26°C (80°F), but with a slightly lower average of 15°C (60°F). July also sees less precipitation at 100 mm (3.9 in) across 15 days, along with lower humidity at 82%. For more detailed insights on July weather specifically, you can visit Largs weather in July.

In comparing the weather between September and August, September tends to be cooler overall, with minimum temperatures dropping to 0°C (32°F) compared to August's milder low of 8°C (46°F). The average temperature in September is 13°C (56°F), slightly higher than August's average of 15°C (59°F), although the maximum temperature reaches the same peak of 26°C (78°F) in both months. Interestingly, September experiences more precipitation, totaling 107 mm (4.2 in) over 16 days, whereas August sees 141 mm (5.6 in) spread across 20 days. Humidity levels are also slightly higher in September at 88%, compared to 82% in August. For a deeper insight into the weather specifics for August, you can check Largs weather in August.

In September, the weather typically ranges from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average temperature of 13°C (56°F). This month sees about 107 mm (4.2 in) of precipitation over 16 days, with humidity levels around 88%. In contrast, October experiences cooler temperatures, with lows of -1°C (31°F) and highs of only 20°C (68°F), culminating in an average temperature of 10°C (51°F). The month is also wetter, with 166 mm (6.5 in) of rainfall spread over 20 days and slightly higher humidity at 90%. For more detailed information, check out Largs weather in October.

September typically sees milder temperatures with an average of 13°C (56°F), while November experiences cooler conditions with an average of 8°C (46°F). In September, the maximum temperature can reach as high as 26°C (78°F), but by November, it peaks at only 14°C (58°F). Precipitation increases slightly from September's 107 mm (4.2 in) to November's 132 mm (5.2 in), with November also experiencing a few more rainy days, totaling 18. Humidity levels are also higher in November, reaching 92% compared to September's 88%. For a more detailed look at weather during this month, check out Largs weather in November.

In comparing the weather between September and December, it's clear that December brings colder temperatures, with a minimum of -4°C compared to September's minimum of 0°C. The average temperature in December drops to 6°C, while September enjoys a milder average of 13°C. Additionally, both months experience high humidity, but they also differ in precipitation; December sees more rain, with 140 mm over 19 days, versus September's 107 mm over 16 days. The weather is decidedly more wintry in December, reflecting the seasonal shift. For more detailed information, you can check Largs weather in December.

Compare Largs's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Largs

As September unfolds in Largs, it brings a notable transition from the warm summer months to the cooler embrace of autumn. While temperatures can peak at a delightful 26°C (78°F), the average settles around a crisp 13°C (56°F), making it significantly cooler than the heights of summer. With a fair share of rain, totaling 107 mm (4.2 in) across 16 days, this month is marked by increased humidity, averaging 88%, which contributes to its distinct and refreshing feel. The variability in weather sets September apart, showcasing Largs' dynamic climate. For more detailed insights on weather patterns, check out Largs Climate.