September Weather in Coniston, United Kingdom

Last updated: March 17, 2025

September in Coniston, United Kingdom presents a blend of mild temperatures and notable rainfall, making it a month of transition. The maximum temperature reaches a pleasant 24°C (75°F), while the average hovers around a cool 13°C (56°F), dipping to a chilly 5°C (42°F) at night. With precipitation totaling 155 mm (6.1 in) across 18 days, the month remains quite damp, contributing to an overall humidity level of 88%. This climate creates a lush landscape, perfect for exploring the stunning natural beauty of the Lake District, though visitors should be prepared for frequent showers.

September Temperature in Coniston

As September arrives in Coniston, United Kingdom, the transition into early autumn is marked by a pleasant shift in temperatures. The month begins with a minimum temperature of 5°C (42°F), gradually rising to an average of 13°C (56°F) and peaking at a comfortable 24°C (75°F). This warmth stands in contrast to the cooler summer months, as September still holds onto the remnants of summer, offering opportunities for outdoor activities amidst vibrant fall colors. The dip in night temperatures signals the approaching chill of autumn, yet overall, September presents a lovely balance of mild days and cool evenings, making it an ideal time to explore the stunning landscapes of this picturesque region.

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

The chart illustrates September temperature patterns in Coniston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143465257605956514642
Data source: Temperature data for Coniston 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 Coniston

September in Coniston, United Kingdom, marks a transitional phase in precipitation patterns as summer gives way to autumn. With 155 mm of rainfall over 18 days, this month showcases a notable increase from the dryer months of April through July, aligning closely with the usually wetter August. The frequent rain during September sets the stage for October, which often sees even more substantial precipitation, averaging 212 mm. This trend indicates that as temperatures begin to drop, rain becomes more consistent, underscoring the wet atmosphere typical of this region as it heads into the fall and winter seasons. Overall, September is a month of preparation for Coniston, where the lush landscapes thrive in anticipation of the heavier rains to come.

September Precipitation Trends in Coniston

The chart displays monthly precipitation patterns in Coniston, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1101751495477119127180155212151175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coniston

In September, Coniston experiences a return to higher humidity levels, reaching 88%, which is in line with the trend of increased moisture typical for the transition into autumn. After a summer characterized by relatively stable humidity around 82%, the rise in September echoes the patterns of earlier months—particularly January and October, which both hover around 90%. This upward shift suggests that as the days shorten and temperatures start to dip, the atmosphere in Coniston becomes more saturated, offering a preview of the notably humid conditions that will persist into the later months of the year. Thus, September serves as a bridge between the milder summer and the wetter autumn, showcasing the shift in weather dynamics typical of this picturesque region.

September Average Humidity in Coniston

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

As September rolls in, Coniston experiences a UV Index of 5, placing it in the moderate exposure category. This marks a notable transition from the high UV levels of summer, down from 8 in both July and June, and 7 in August. Residents and visitors alike can expect a burn time of 30 minutes, giving them a bit more leeway before needing to seek shade or apply sunscreen. With the sun’s intensity decreasing as autumn approaches, this month serves as a gentle reminder to enjoy the outdoors while staying aware of UV exposure. For more detailed information, check out Coniston UV Index.

Maximum UV Index Levels in Coniston for September

The chart shows the monthly maximum UV Index (UVI) for Coniston 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Coniston 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 Coniston

September in Coniston, United Kingdom, brings a delightful 297 hours of sunshine, showcasing a gentle decline from the vibrant summer months. Having basked in 406 hours of sunlight in July and 358 hours in August, September marks the transition into autumn, yet still offers plenty of bright days for outdoor exploration. As the days grow shorter, the sunlight tapers off, giving way to the cooler months ahead, with October forecasted at 228 hours. This subtle waning of sunlight signals a shift in seasons, inviting locals and visitors to savor the last warm hues of early fall before winter's arrival.

Monthly Sunshine Duration in Coniston: September Highlighted

The September sunshine duration represents the total number of hours Coniston 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.
JanFebMarAprMayJunJulAugSepOctNovDec80h145h210h340h405h386h406h358h296h228h114h91h
Data source: Coniston September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coniston During September

In September, the likelihood of sunny weather in Coniston, United Kingdom, dips to 20%, marking a continuation of the summer's gradual retreat into autumn. This trend mirrors a broader pattern noticeable throughout the year, where the brightest month is April at 53%, contrasting sharply with the gloomier days of winter, such as December, which sees a mere 14% chance of sun. Following a relatively sunny summer, the shift to September signals a decrease in clear skies, aligning with the general decline in sunshine probability as the season shifts toward cooler months. As such, while September might still offer a few pleasant days, the overall likelihood of enjoying sunny weather in this tranquil lakeside village is significantly reduced compared to the vibrant warmth of late spring.

Percentage of Sunny Days in September in Coniston

The chart illustrates the percentage of sunny days in Coniston 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 Coniston experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%23%53%32%24%38%24%20%17%26%14%
Data source: Coniston September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coniston in September

As autumn approaches, September in Coniston, United Kingdom, heralds a notable shift in daylight duration. With about 12 hours of sunlight, the month reflects a gradual transition from the long, sunlit days of summer—peaking at 17 hours in June—to the shorter, more subdued brightness of October, which offers only 10 hours. This descent into shorter days is starkly contrasted by May's peak of 16 hours, emphasizing the shift in seasons. The gradual fading of daylight in September invites a cozy ambiance, perfect for enjoying the early fall colors and the crispness in the air, while also setting the stage for the early evenings that characterize the months ahead.

Average Daylight Hours in Coniston for September

The chart illustrates the variation in daylight duration in Coniston throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 59m9h 45m11h 54m14h 5m16h 2m17h 4m16h 30m14h 45m12h 38m10h 27m8h 29m7h 25m
Data source: Coniston daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Coniston

As September arrives in Coniston, the winds begin to settle into a gentle rhythm, averaging 3.8 m/s (8 mph), a continuation of the calm breezes felt in August. This marks a transition from the more vigorous gusts of summer, peaking at 5.8 m/s (13 mph) in February, down to the milder conditions experienced in the warmest months. Interestingly, while September's winds mirror August's serenity, they also hint at the approaching autumn, when wind speeds gradually pick up again, soaring to 5.9 m/s (13 mph) in October. This month serves as a bridge, where the cool embrace of fall begins to replace the lingering warmth of summer, reminding locals and visitors alike that change is in the air.

Average September Wind Speed in Coniston

The chart displays monthly wind speed patterns in Coniston, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.85.13.34.03.52.93.83.8 m/s5.95.34.9
Data source: Coniston September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Coniston Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures range from a mild minimum of 5°C (42°F) to a comfortable maximum of 24°C (75°F), with an average of 13°C (56°F). This month also experiences considerable rainfall, totaling 155 mm (6.1 in) across approximately 18 days, coupled with high humidity at 88%. In stark contrast, January sees much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of just 12°C (53°F), averaging around 5°C (41°F). Precipitation is lower in January at 110 mm (4.3 in) over about 14 days, and humidity remains high at 90%. For more details, check out Coniston weather in January.

When comparing the weather in September and February, notable differences emerge. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). The month experiences about 155 mm (6.1 in) of precipitation over 18 days, while maintaining a humidity level of 88%. In contrast, February has colder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), resulting in a lower average of 5°C (41°F). Precipitation slightly increases to 175 mm (6.9 in) over the same number of days, yet humidity remains consistent at 88%. For more details, check out Coniston weather in February.

September and March provide contrasting weather experiences. September generally features a warmer climate, with average temperatures ranging from a low of 5°C (42°F) to a high of 24°C (75°F), whereas March tends to be cooler, with average temperatures between -4°C (25°F) and 15°C (60°F). Precipitation levels are quite similar, with September experiencing 155 mm (6.1 in) and March recording 149 mm (5.9 in), both over approximately 18 days. Humidity is slightly higher in September at 88%, compared to March's 86%. For a closer look at the March weather in Coniston, you can check this link: Coniston weather in March.

September and April showcase distinct differences in weather characteristics. September typically features milder temperatures, with a minimum of 5°C (42°F) and an average of 13°C (56°F), peaking at a comfortable 24°C (75°F). However, it experiences higher precipitation levels, with 155 mm (6.1 in) spread over 18 days and an humidity of 88%. In contrast, April presents cooler conditions, recording a minimum of -1°C (30°F) and an average of 8°C (46°F), with a maximum of 19°C (66°F). It boasts significantly less rainfall, totaling 54 mm (2.1 in) across just 9 days, along with a slightly lower humidity of 85%. For a deeper dive into weather specifics during this month, visit Coniston weather in April.

In comparing the weather of September and May, we see notable differences in both temperature and precipitation. September typically experiences a broader temperature range, with minimums around 5°C (42°F), averages of 13°C (56°F), and maximums reaching up to 24°C (75°F). In contrast, May has slightly cooler temperatures, ranging from a minimum of 2°C (35°F) to an average of 11°C (52°F), with a maximum of 23°C (74°F).

Precipitation levels also vary significantly, as September sees approximately 155 mm (6.1 in) of rain spread over 18 days, whereas May experiences less rainfall at 77 mm (3.0 in) over just 13 days. Additionally, September tends to be more humid, with 88% humidity compared to May's 80%. For more specific weather details during May, you can visit Coniston weather in May.

When comparing the weather in September and June, September tends to be slightly cooler, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 24°C (75°F), while June's temperatures range from a minimum of 7°C (46°F) to a maximum of 26°C (78°F). September also sees higher precipitation, with 155 mm (6.1 in) over 18 days, compared to June’s 119 mm (4.7 in) over 17 days. Additionally, September has a higher humidity level at 88%, while June is slightly lower at 83%. For more detailed information on June weather, you can check Coniston weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences cooler temperatures overall, with a minimum of 5°C (42°F) and a maximum of 24°C (75°F), while July is warmer, with a minimum of 9°C (48°F) and a maximum of 27°C (80°F). Additionally, September sees higher precipitation levels at 155 mm (6.1 in) over 18 days, compared to July's 127 mm (5.0 in) over 16 days. Humidity also rises in September, reaching 88%, surpassing July's 82%. Collectively, these factors contribute to a more variable and damp climate in September compared to the relatively warm and drier conditions of July. For more detailed information, check out Coniston weather in July.

September experiences cooler temperatures compared to August, with minimums dropping from 8°C (47°F) in August to 5°C (42°F) in September. The average temperature also declines slightly from 15°C (60°F) to 13°C (56°F), while the maximum temperature remains nearly the same, peaking at 24°C (75°F) in September compared to 25°C (77°F) in August. In terms of precipitation, September is quite wet with 155 mm (6.1 in) over 18 days, although it is slightly less than August's 180 mm (7.1 in) across 21 days. Both months feature high humidity, but September is a bit more humid at 88% compared to 82% in August. For more details, you can check out Coniston weather in August.

September typically brings milder weather compared to October, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 24°C (75°F). In contrast, October sees cooler temperatures, with lows dipping to 1°C (34°F) and highs peaking at 19°C (66°F). Rainfall also increases in October, accumulating to 212 mm (8.4 in) over 22 days, compared to September's 155 mm (6.1 in) over 18 days. This leads to a slightly higher humidity level in October, reaching 90% compared to September’s 88%. For more specific details on October's weather patterns, you can check this link: Coniston weather in October.

September and November present contrasting weather patterns, with September featuring milder temperatures that range from a minimum of 5°C (42°F) to a maximum of 24°C (75°F) and an average of 13°C (56°F). The month experiences significant rainfall, totaling 155 mm (6.1 in) over 18 days, along with high humidity levels at 88%. In contrast, November is considerably cooler, with temperatures dipping as low as -2°C (28°F) and averaging around 8°C (46°F). It has a slightly reduced rainfall of 151 mm (5.9 in) across 19 days, but humidity levels rise to 92%. For more detailed insights into November weather, check out Coniston weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 24°C (75°F) and an average of 13°C (56°F). The month also sees significant rainfall, with 155 mm (6.1 in) of precipitation over approximately 18 days and humidity levels around 88%. In contrast, December presents a much colder climate, characterized by temperatures that drop to a minimum of -3°C (27°F) and only reach a maximum of 11°C (52°F), with an average temperature of 6°C (42°F). This month experiences even higher precipitation, totaling 175 mm (6.9 in) over about 20 days, while humidity remains slightly elevated at 89%. For more details, you can check out Coniston weather in December.

Compare Coniston's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Coniston

As September unfolds in Coniston, the weather showcases a distinct transition, blending the lingering warmth of late summer with the approach of autumn. With a maximum temperature that can reach a pleasant 24°C (75°F), the month remains inviting, yet it also introduces cooler evenings with lows dipping to 5°C (42°F). This fluctuation contributes to an overall average temperature of 13°C (56°F), that signals the onset of a refreshing change. Rainfall becomes more prevalent, with 18 days experiencing precipitation totaling 155 mm (6.1 in), making it one of the wetter months. Coupled with a high humidity of 88%, September in Coniston offers a unique atmosphere that is markedly different from the warmer, drier months preceding it. For a deeper dive into the climate specifics, explore Coniston Climate.