September Weather in Millport, United Kingdom

Last updated: March 17, 2025

In September, Millport, United Kingdom, experiences a temperature range that varies from a brisk 3°C (38°F) at night to a pleasant maximum of 23°C (74°F) during the day, with an average of 13°C (56°F). This transitional month marks the shift towards cooler autumn days, complemented by an average humidity of 88% that can make the air feel quite damp. Rainfall is quite common, with approximately 125 mm (4.9 in) of precipitation spread over 17 days, making it advisable for visitors to prepare for a mix of sun and showers. Overall, September in Millport is a dynamic month of fluctuating temperatures and lush landscapes.

September Temperature in Millport

As September arrives in Millport, the warmth of summer lingers just a bit longer, with temperatures showcasing a delightful transition toward autumn. The month ushers in a minimum temperature of 3°C (38°F), which is noticeably higher than the chill of early winter months. With an average of 13°C (56°F), this period marks a comfortable warmth perfect for enjoying the outdoors. The maximum temperature peaks at 23°C (74°F), offering the last taste of summer's embrace before the temperatures dip further in October. Overall, September strikes a harmonious balance, inviting residents and visitors alike to revel in the fading warmth while preparing for the cool, crisp days ahead.

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

The chart illustrates September temperature patterns in Millport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434243465156585855514644
Data source: Temperature data for Millport 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 Millport

In September, Millport, United Kingdom, experiences an average precipitation of 125 mm (4.9 in) across 17 days, continuing the trend of dampness that characterizes late summer and autumn. This month sees a noticeable increase in rainfall compared to the drier spell of April and May, marking a shift towards the wetter months ahead. As the region transitions into autumn, September's precipitation lays the groundwork for the forthcoming October, which typically brings even heavier rainfall. This consistent pattern reflects Millport's maritime climate, where moisture-laden air often leads to variable weather, keeping the landscapes lush and vibrant as the seasons change.

September Precipitation Trends in Millport

The chart displays monthly precipitation patterns in Millport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1201681254871117114150125196158171
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Millport

In September, Millport, United Kingdom, experiences a notable rise in humidity, reaching 88%, which is among the highest points of the year. This increase marks a shift from the stable humidity levels observed during the summer months, where August and July both hovered around 86%. As the transition into autumn begins, the consistency of high humidity remains evident, with October further increasing to 89%. This pattern reflects a gradual elevation in moisture levels as the year progresses toward winter, indicative of Millport's maritime climate. The steady increase highlights the region's characteristic dampness, making September a month where the air becomes palpably richer in moisture and hinting at the more humid conditions that lie ahead.

September Average Humidity in Millport

This chart illustrates the average monthly humidity levels in Millport, 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 Millport

As summer fades into autumn, September in Millport, United Kingdom, sees a moderate UV Index of 5. While this marks a slight decline from the very high levels experienced in July and August, it’s essential to remain cautious, as the burn time is still around 30 minutes. This month bridges the transition from summer to fall, reflecting a general downward trend as the year progresses, with UV levels gradually decreasing from the peak summer months. As you enjoy the late-summer sun, consider staying protected to make the most of this beautiful time of year. For more detailed information on UV exposure, check out Millport UV Index.

Maximum UV Index Levels in Millport for September

The chart shows the monthly maximum UV Index (UVI) for Millport 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: Millport 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 Millport

As summer transitions into autumn, September in Millport sees a delightful shift in daylight, averaging 282 hours of sunshine. This marks a notable decline from the sun-soaked days of July and August, which both boast a robust 398 and 350 hours respectively. However, September’s hours still outshine the bleak winter months ahead, such as January with just 69 hours and November at 110 hours. The trend reveals a gradual decrease in sunshine as the year progresses, yet this month offers a balmy farewell to the summer, inviting both locals and visitors to revel in the lingering warmth and stunning coastal views before the shorter days of autumn take hold.

Monthly Sunshine Duration in Millport: September Highlighted

The September sunshine duration represents the total number of hours Millport 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.
JanFebMarAprMayJunJulAugSepOctNovDec69h135h192h322h398h387h398h350h282h210h110h76h
Data source: Millport September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Millport During September

In Millport, United Kingdom, September marks a subtle shift toward cooler weather, with the chance of sunny days dropping to just 19%. This trend is part of a gradual decline from the more vibrant sunlit months of spring and early summer, where April enjoys a more favorable 49% likelihood of sunshine. As the summer fades, the sunny spells of May, June, July, and August diminish, leaving September with the second-lowest chance of sun after January. This seasonal transition indicates that if you're hoping for blue skies, it might be best to savor the fleeting warmth of summer before autumn takes full swing.

Percentage of Sunny Days in September in Millport

The chart illustrates the percentage of sunny days in Millport 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 Millport experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%29%20%49%35%27%28%26%19%19%26%15%
Data source: Millport September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Millport in September

As summer fades into autumn, September in Millport, United Kingdom, sees a transition from the long, sun-soaked days of June and July, which enjoy up to 17 hours of daylight, to shorter, crisper days. With 12 hours of daylight this month, there's a significant drop from the previous months, signaling the approach of fall. As the year progresses, daylight gradually diminishes, tapering down to 10 hours in October and only 7 hours by December. This month serves as a poignant reminder of nature's rhythm, as the vibrant days of summer gracefully give way to the more subdued light of autumn, inviting a cozy atmosphere perfect for enjoying the changing scenery.

Average Daylight Hours in Millport for September

The chart illustrates the variation in daylight duration in Millport throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 42m9h 36m11h 53m14h 14m16h 19m17h 27m16h 50m14h 56m12h 40m10h 21m8h 14m7h 4m
Data source: Millport daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Millport

As September rolls into Millport, the average wind speed settles at a gentle 4.4 m/s (10 mph), offering a mild transition from the summer months. This slight uptick from August's 3.7 m/s (8 mph) suggests a gradual return to the more invigorating breezes characteristic of autumn. Interestingly, following a dip throughout the summer, when winds were at their calmest, the prevailing conditions hint at a revitalizing shift, paving the way for the gustier October winds expected at 6.2 m/s (14 mph). Overall, September serves as a gentle prelude to the more spirited winds of the coming months, making it an ideal time for leisurely strolls by the coast.

Average September Wind Speed in Millport

The chart displays monthly wind speed patterns in Millport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.48.26.14.24.74.63.23.74.4 m/s6.26.95.8
Data source: Millport September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Millport Compares to Other Months

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

In September, temperatures range from a chilly 3°C (38°F) at their lowest to a pleasant 23°C (74°F) at their peak, with an average temperature of 13°C (56°F). The month is characterized by high humidity at 88% and considerable rainfall, totaling 125 mm (4.9 in) over 17 days.

In contrast, January typically sees cooler temperatures, with lows of -1°C (30°F) and highs reaching only 13°C (55°F), averaging around 6°C (43°F). The precipitation is similar to September, with 120 mm (4.7 in) over 17 days, and humidity remains relatively high at 87%.

For a detailed look at January weather in Millport, you can visit Millport weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), with an average of 13°C (56°F). The month experiences about 125 mm (4.9 in) of precipitation over 17 days, coupled with high humidity at 88%. In contrast, February is much cooler, with temperatures ranging from -2°C (28°F) to a maximum of 12°C (53°F) and an average of 6°C (43°F). It also sees increased precipitation at 168 mm (6.6 in) over 19 days, with humidity slightly lower at 86%. Overall, September tends to be warmer and less wet compared to the chilly and wetter conditions in February. For those interested in more specific weather details, you can check Millport weather in February.

In comparing the weather between September and March, we observe distinct differences in temperature and conditions. September typically experiences milder temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), reaching a maximum of 23°C (74°F). In contrast, March brings cooler temperatures, with a minimum of -4°C (25°F) and an average of only 6°C (44°F), peaking at 14°C (58°F). Precipitation levels are similar in both months, with 125 mm (4.9 in) recorded, but March sees slightly more rainy days—19 compared to September’s 17. The humidity is also slightly lower in March at 86%, compared to 88% in September. For a closer look at March conditions, you can check Millport weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September generally enjoys milder conditions, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), while April's temperatures are slightly cooler, ranging from -1°C (31°F) to 18°C (65°F). Additionally, September experiences higher precipitation, accumulating about 125 mm (4.9 in) over 17 days, compared to April, which sees only 48 mm (1.9 in) of rain over 11 days. Humidity levels are also comparable, with September at 88% and April at 85%, offering a generally moist atmosphere in both months. For more detailed insights on April weather specifically, check out Millport weather in April.

When comparing the weather in September and May, we can see distinct differences in temperature and precipitation. September tends to be warmer, with average temperatures ranging from 13°C (56°F) to a maximum of 23°C (74°F), while May has a cooler average, with temperatures between 10°C (51°F) and a maximum of 21°C (70°F). However, September is much wetter, experiencing about 125 mm (4.9 in) of precipitation over 17 days, compared to May's 71 mm (2.8 in) spread over only 10 days. Humidity levels are slightly higher in September at 88%, compared to May's 82%. For more details on the weather specifics for this time of year, take a look at Millport weather in May.

In comparing the weather of September and June, we see some notable differences. September experiences a wider temperature range, with minimum temperatures dropping to 3°C (38°F) compared to June’s milder minimum of 8°C (46°F). Both months have similar average temperatures around 13°C (56°F), but June edges out with a slightly higher maximum of 24°C (75°F) compared to September's 23°C (74°F). Precipitation is quite comparable, with September receiving 125 mm (4.9 in) over 17 days, while June has slightly less at 117 mm (4.6 in) over 16 days. Additionally, September has a higher humidity level at 88%, compared to June's 84%. For more specifics about June weather, you can check Millport weather in June.

When comparing the weather in September and July, notable differences emerge. September tends to be cooler, with minimum temperatures dropping to 3°C (38°F) and an average of 13°C (56°F), compared to July’s milder minimum of 10°C (49°F) and an average of 15°C (59°F). Both months experience similar maximum temperatures, with September peaking at 23°C (74°F) and July reaching 24°C (75°F). Precipitation levels are slightly higher in September, with 125 mm (4.9 in) over 17 days, compared to July’s 114 mm (4.5 in) across 15 days. Additionally, September has a higher humidity level at 88%, while July remains slightly lower at 86%. For more detailed insights, you can check Millport weather in July.

September experiences cooler temperatures compared to August, with minimums dropping to 3°C (38°F) and an average of 13°C (56°F), while August's temperatures start at 9°C (49°F) and average 15°C (58°F). In contrast, maximum temperatures in September can reach 23°C (74°F), slightly higher than August's peak of 22°C (72°F). Precipitation is also noteworthy, as September sees 125 mm (4.9 in) over 17 days, while August receives a higher total of 150 mm (5.9 in) across 21 days. Humidity remains relatively high in both months, with September at 88% and August at 86%. For more insights on August weather, check Millport weather in August.

September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), with an average of 13°C (56°F). The month experiences 125 mm (4.9 in) of precipitation over 17 days, coupled with a relatively high humidity of 88%. In contrast, October sees a slight drop in temperatures, with a minimum of 2°C (35°F) and a maximum of 18°C (65°F), yielding an average of 11°C (51°F). Precipitation increases to 196 mm (7.7 in) spread across 23 days, while humidity remains high at 89%. For a more detailed look at what to expect, check out Millport weather in October.

In comparing the weather between September and November, we see a notable decline in temperatures. September typically enjoys milder conditions with average highs reaching 23°C (74°F) and lows around 3°C (38°F), whereas November's temperatures drop significantly, with maximums only reaching 14°C (57°F) and minimums falling to 0°C (31°F). Precipitation also increases in November, with an average of 158 mm (6.2 in) over 19 rainy days, compared to September's 125 mm (4.9 in) spread across 17 days. Additionally, humidity levels rise slightly in November to 90%, compared to September's 88%. For more details about November weather in this area, you can check Millport weather in November.

September weather is generally milder compared to December, featuring a minimum temperature of 3°C (38°F) and an average of 13°C (56°F), with maximums reaching up to 23°C (74°F). In contrast, December experiences colder conditions, with temperatures dropping to a minimum of -2°C (28°F) and an average of just 6°C (44°F), peaking at 12°C (54°F). Both months see a fair amount of precipitation, but December is wetter, receiving 171 mm (6.7 in) over 20 days, while September has 125 mm (4.9 in) over 17 days. Humidity levels are also comparable, with September at 88% and December slightly lower at 86%. For more specific information on December weather, you can visit Millport weather in December.

Compare Millport's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Millport

As September arrives in Millport, the weather presents a distinct shift from the balmy summer months. With temperatures starting to cool, the month averages around 13°C (56°F) but still sees peaks of warmth at 23°C (74°F), providing a mild backdrop perfect for outdoor activities. However, preparations for the onset of autumn are evident as rainfall becomes more frequent, with precipitation occurring on 17 days throughout the month, totaling 125 mm (4.9 in). The high humidity level of 88% adds a touch of moisture to the air, enhancing the crispness of the season. For those interested in understanding the overall climate trends and fluctuations, check out Millport Climate.