September Weather in Ruthin, United Kingdom

Last updated: March 17, 2025

In September, Ruthin, United Kingdom experiences a delightful range of temperatures, with a maximum soaring to 27°C (80°F) and a cozy average of 13°C (56°F). However, the month can also bring cooler days, dipping as low as 1°C (34°F). Residents and visitors alike can expect a moderate amount of precipitation, totaling 88 mm (3.4 in) over 14 days, contributing to a moisture-rich environment, with humidity levels averaging 85%. Whether enjoying sunny spells or refreshing rain, September in Ruthin offers a charming blend of weather experiences.

September Temperature in Ruthin

In September, temperatures in Ruthin, United Kingdom begin to transition toward autumn, yet still retain a refreshing warmth. With minimums dipping to around 1°C (34°F), the month can feel crisp, particularly in the early mornings. However, daytime averages reach a comfortable 13°C (56°F), making it an inviting time to explore the charming landscapes. The maximum temperatures can soar to 27°C (80°F), offering plenty of sunny days that echo the lingering warmth of summer. As the month progresses, you may notice the gradual decline in warmth, yet the vibrant hues of early fall offer a picturesque backdrop, making September a delightful blend of summer's end and autumn's beginning.

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

The chart illustrates September temperature patterns in Ruthin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143465258615955504542
Data source: Temperature data for Ruthin 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 Ruthin

September in Ruthin, United Kingdom, brings moderate precipitation, totaling 88 mm (3.4 in) across 14 days. This amount is consistent with the late summer pattern where rainfall remains substantial following the wet months of August, which averaged 94 mm (3.7 in). As the seasons shift toward autumn, the precipitation begins to mirror the upcoming months; both October and December show higher averages of 95 mm (3.8 in) and 105 mm (4.1 in), respectively. The trend continues to reflect an increase in rainfall as the year progresses, making September a month of significant, yet manageable moisture before the heavier, more persistent rains of autumn set in.

September Precipitation Trends in Ruthin

The chart displays monthly precipitation patterns in Ruthin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6788955768927894889579105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ruthin

In September, Ruthin experiences a notable humidity level of 85%, reflecting a transition into the wetter months that follow. This marks a slight increase from the more temperate 78% seen in July and 79% in August, suggesting that the summer's drier air is giving way to the early whispers of autumnal moisture. As the seasons shift, humidity levels begin their gradual ascent, which peaks in the winter months, reaching a high of 91% in November. Overall, the data shows a clear trend of increasing humidity as the year progresses, fostering a blend of freshness and crispness in the air that characterizes Ruthin's enchanting landscape.

September Average Humidity in Ruthin

This chart illustrates the average monthly humidity levels in Ruthin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ruthin

As September arrives in Ruthin, the UV Index settles at a moderate 5, signaling a shift from the summer's intense rays. This month offers a reprieve compared to the peak summer months of July and June, where UV levels reached a high of 8, necessitating a burn time of just 15 minutes. With the onset of autumn, residents can enjoy outdoor activities for about 30 minutes without significant risk of sunburn. The gradual decline from summer's extremes is evident, transitioning to the milder values of October’s UV Index of 4. It’s a great time to soak up the last of the warm sun, just remember to stay protected! For more detailed insights on UV exposure, visit Ruthin UV Index.

Maximum UV Index Levels in Ruthin for September

The chart shows the monthly maximum UV Index (UVI) for Ruthin 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.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Ruthin 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 Ruthin

As summer transitions into autumn, September in Ruthin, United Kingdom, offers a delightful balance of sunshine, boasting 286 hours of bright daylight. This month signals a shift from the peak of summer, where July and August basked in their brightest, with 396 and 360 hours respectively. The gradual decline in sunshine hours is palpable, yet September retains a generous offer of light that invites outdoor exploration before the chill of October sets in, which drops to 219 hours. With the vibrant colors of fall beginning to emerge, September's golden hues light up the landscape, making it a perfect time for locals and visitors alike to appreciate the scenic beauty of Ruthin while enjoying the lingering warmth of summer.

Monthly Sunshine Duration in Ruthin: September Highlighted

The September sunshine duration represents the total number of hours Ruthin 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h147h202h316h390h365h396h360h286h219h109h95h
Data source: Ruthin September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ruthin During September

In Ruthin, UK, the likelihood of sunny weather in September holds steady at 22%, mirroring the somewhat cloudy days typical of August. This modest chance of sunshine suggests that while the summer's warmth begins to wane, there’s still a glimmer of brightness to be found before autumn sets in. Historically, September stands alongside May and July in terms of sun chances, although it falls short of the more promising spring months like April, which boasts a notable 43%. As the seasons transition, it becomes clear that while sun seekers might find some enjoyment during this month, they should also prepare for the frequent gray skies that define Ruthin's weather patterns.

Percentage of Sunny Days in September in Ruthin

The chart illustrates the percentage of sunny days in Ruthin 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 Ruthin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%20%23%43%27%23%35%22%22%17%25%14%
Data source: Ruthin September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ruthin in September

As September arrives in Ruthin, United Kingdom, the daylight begins to wane, offering approximately 12 hours of light each day. This month serves as a graceful transition from the long, sun-drenched days of summer, where June and July bask in a generous 16 hours of daylight, to the shorter, more subdued days of autumn. Throughout the year, daylight duration peaks in late spring and early summer, with May also enjoying a notable 15 hours. As autumn settles in, daylight gradually decreases, with October dipping to 10 hours before winter's onset, reminding us of the shifting seasons and the delicate balance between light and darkness in this charming town.

Average Daylight Hours in Ruthin for September

The chart illustrates the variation in daylight duration in Ruthin throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 10m9h 51m11h 54m14h15h 51m16h 50m16h 18m14h 38m12h 36m10h 31m8h 38m7h 37m
Data source: Ruthin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ruthin

In Ruthin, United Kingdom, the September winds whisper a gentle arrival, averaging 2.7 m/s (6 mph), a continuation of the mild breezes that characterize the late summer months. This slight dip reflects a trend of decreasing wind speeds from the peak summer months of July and August, where gusts reached upwards of 5 to 7 mph. As September transitions into autumn, the air remains fresh yet calm, setting the stage for the more blustery months that follow. Indeed, with wind speeds in October rising to 4.3 m/s (10 mph), Ruthin prepares to welcome autumn's invigorating embrace, making September a serene yet pivotal moment in the seasonal cycle.

Average September Wind Speed in Ruthin

The chart displays monthly wind speed patterns in Ruthin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.64.54.12.73.42.82.43.12.7 m/s4.33.74.0
Data source: Ruthin September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ruthin Compares to Other Months

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

September and January showcase distinctly different weather patterns. In September, temperatures range from a mild 1°C (34°F) at night to a warm 27°C (80°F) during the day, making it the warmest month of the year with an average of 13°C (56°F). The month also sees considerable precipitation, with 88 mm (3.4 in) falling over approximately 14 days, accompanied by a humidity level of 85%. In contrast, January experiences colder conditions, with temperatures dipping as low as -4°C (25°F) at night and reaching a maximum of 13°C (56°F) during the day, averaging only 4°C (40°F). Precipitation is slightly less at 67 mm (2.6 in) over 11 days, and humidity rises to 89%, making January feel quite damp. For a more detailed insight into January weather, you can visit Ruthin weather in January.

September and February exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 27°C (80°F), with an average of 13°C (56°F), providing a warmer, more temperate climate as summer transitions into autumn. The month experiences a total precipitation of 88 mm (3.4 in) over the course of 14 days, and humidity levels are relatively high at 85%.

In contrast, February presents a much cooler atmosphere, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 16°C (62°F) and an average temperature of just 5°C (41°F). Similar to September, February also records 88 mm (3.4 in) of precipitation but spans 15 rainy days, contributing to a slightly higher humidity of 88%. For a detailed look at February weather, you can visit Ruthin weather in February.

When comparing the weather in September and March, we can see notable differences. September typically enjoys a milder temperature range, with a minimum of 1°C (34°F) and a maximum of 27°C (80°F), averaging around 13°C (56°F). In contrast, March experiences colder temperatures, with lows of -7°C (20°F) and highs of 19°C (67°F), averaging just 6°C (43°F). Both months see considerable precipitation, with September receiving 88 mm (3.4 in) over 14 days and March slightly wetter at 95 mm (3.7 in) across 16 days. Humidity levels are quite similar in both months, with September at 85% and March at 86%. For more details on March’s climate, you can check Ruthin weather in March.

In comparing the weather of September and April, September generally presents warmer temperatures, with an average of 13°C (56°F) compared to April's cooler average of 8°C (47°F). September experiences a broader temperature range, reaching a maximum of 27°C (80°F), while April peaks at 21°C (70°F). Precipitation is more frequent in September, totaling 88 mm (3.4 in) over 14 days, versus April's 57 mm (2.2 in) over just 12 days. Interestingly, both months share similar humidity levels, with September at 85% and April slightly lower at 84%. For a more detailed look at April's conditions, you can visit Ruthin weather in April.

September and May present contrasting weather patterns as the seasons transition. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 27°C (80°F), with an average of 13°C (56°F). The month is marked by high humidity at 85% and a significant amount of precipitation, totaling 88 mm (3.4 in) over 14 days. In contrast, May tends to be slightly cooler, with temperatures fluctuating between -2°C (30°F) and 25°C (78°F), and an average of 11°C (52°F). It experiences less rainfall, averaging 68 mm (2.7 in) across 13 days, along with lower humidity at 79%. For a more detailed look at May weather, visit Ruthin weather in May.

In September, the weather exhibits a wider temperature range compared to June, with minimum temperatures dipping to 1°C (34°F) and maximums reaching up to 27°C (80°F). The average temperature sits at 13°C (56°F), slightly cooler than June's average of 14°C (58°F). Both months experience similar precipitation levels, with September receiving 88 mm (3.4 in) over 14 days and June just slightly higher at 92 mm (3.6 in) across 13 days. Humidity levels are also consistent, though September is slightly more humid at 85%, compared to June’s 81%. For a closer look at the June weather specifics, visit Ruthin weather in June.

When comparing the weather in September and July, it's evident that September tends to be cooler. The average temperature in September is 13°C (56°F), with a minimum of 1°C (34°F) and a maximum of 27°C (80°F), while July enjoys slightly warmer averages at 16°C (61°F), ranging from a minimum of 5°C (41°F) to a maximum of 28°C (83°F). Despite both months experiencing precipitation on 14 days, September sees a higher rainfall total of 88 mm (3.4 in) compared to July's 78 mm (3.1 in). Additionally, September has a higher humidity level of 85%, compared to July's 78%. For more details specifically about July weather, you can check out Ruthin weather in July.

In comparing the weather of September and August, September tends to exhibit a broader temperature range, with a minimum of 1°C (34°F) and a maximum of 27°C (80°F), resulting in an average temperature of 13°C (56°F). In contrast, August is warmer, featuring a minimum of 6°C (43°F) and a maximum of 28°C (82°F), leading to an average of 15°C (60°F). Precipitation is slightly lower in September at 88 mm (3.4 in) over 14 days, compared to August's 94 mm (3.7 in) over 16 days. Additionally, September experiences higher humidity levels at 85%, while August has a more manageable 79%. For a more detailed look at August's weather patterns, check out Ruthin weather in August.

In September, temperatures ranged from a minimum of 1°C (34°F) to a maximum of 27°C (80°F), with an average of 13°C (56°F). The month experienced 88 mm (3.4 in) of precipitation over 14 days, accompanied by a humidity level of 85%. In contrast, October brings cooler temperatures, with a minimum of -3°C (27°F), an average of 10°C (51°F), and a maximum of 21°C (69°F). Precipitation slightly increases to 95 mm (3.8 in) over 15 days, and humidity rises to 90%. This shift from September to October clearly indicates a transition into colder and wetter weather. For more detailed information, check out Ruthin weather in October.

In September, temperatures range from a chilly 1°C (34°F) at night to a warm 27°C (80°F) during the day, offering a pleasant average of 13°C (56°F). The month experiences a fair amount of rain, with 88 mm (3.4 in) falling over approximately 14 days and humidity levels around 85%. In contrast, November ushers in cooler weather, with temperatures dropping to a minimum of -3°C (27°F) and peaking at 15°C (60°F), resulting in a lower average of 7°C (45°F). While precipitation is slightly less at 79 mm (3.1 in), it spreads over 16 days, leading to increased humidity levels of 91%. For more details on November weather, check out Ruthin weather in November.

In September, weather conditions are generally milder, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 27°C (80°F) and an average of 13°C (56°F). The month experiences around 88 mm (3.4 in) of precipitation over approximately 14 days, accompanied by humidity levels reaching 85%. In contrast, December brings much colder weather, as temperatures slide down to a minimum of -7°C (20°F) and only rise to a maximum of 13°C (55°F), averaging around 5°C (42°F). Precipitation increases to 105 mm (4.1 in) spread over 18 days, with humidity slightly higher at 89%. For more specific information about December weather, you can check Ruthin weather in December.

Compare Ruthin's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ruthin

As summer transitions to autumn, September in Ruthin brings a delightful mix of warm and cool days, marked by a maximum temperature reaching as high as 27°C (80°F) while averaging around a mild 13°C (56°F). This month encounters its share of rainfall, with precipitation occurring on about half the days, contributing to the overall humidity of 85%. Compared to the hotter summer months, September offers a refreshing change, allowing visitors and residents alike to experience the vibrant colors of the changing season. Enjoying outdoor activities in this moderate climate can be rejuvenating, making it a unique time to explore the area's natural beauty. For more detailed insights on what to expect throughout the year, check out Ruthin Climate.