September Weather in Wrexham, United Kingdom

Last updated: March 17, 2025

In September, Wrexham, United Kingdom, experiences a vibrant transition from summer warmth to autumn coolness. The maximum temperature can reach a pleasant 27°C (81°F), while the average hovers around a crisp 14°C (57°F). Visitors should be prepared for some variability, as temperatures can dip to a minimum of 2°C (35°F). This month also brings 79 mm (3.1 in) of precipitation across 12 days, contributing to the region's lush landscape. With humidity levels at a notable 85%, the air carries a refreshing essence that complements the changing foliage, making September an intriguing time for exploration in Wrexham.

September Temperature in Wrexham

In September, Wrexham, United Kingdom, experiences a delightful transition from summer’s warmth to the crispness of autumn. With minimum temperatures around 2°C (35°F) and average highs reaching up to 27°C (81°F), the month offers a pleasantly moderate climate perfect for outdoor activities. This marks a noticeable shift, as temperatures begin to cool down from the peaks of summer, yet still retain a hint of that lingering warmth. As September unfolds, residents and visitors alike can enjoy the balance of comfortably mild days and the refreshing chill of the approaching fall, making it an ideal time to explore the lush landscapes that define this charming region.

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

The chart illustrates September temperature patterns in Wrexham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244475359616156514643
Data source: Temperature data for Wrexham 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 Wrexham

September in Wrexham marks a notable transition in precipitation patterns, with an average rainfall of 79 mm (3.1 in) spread over 12 days. This month is characterized by a slight dip in rainfall compared to the previous month of August, which recorded 83 mm (3.3 in) over 15 days. Interestingly, September's totals indicate a consistent trend of early autumn moisture, as it is closely aligned with the 72 mm (2.8 in) seen in July and the 86 mm (3.4 in) expected in October, hinting at a shift towards wetter conditions as the year progresses. As summer fades, residents can anticipate a brisk atmosphere, often accompanied by refreshing showers that lay the groundwork for the wetter months ahead.

September Precipitation Trends in Wrexham

The chart displays monthly precipitation patterns in Wrexham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec607482536387728379867293
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wrexham

In September, Wrexham experiences a noticeable uptick in humidity, rising to 85% after the drier summer months of July and August, which hover around 78% and 79%, respectively. This shift signals the transition into autumn, as the air becomes more saturated with moisture. While September's humidity is lower than the winter peaks seen in January (89%) and October (90%), it still reflects the overall trend of increasing humidity as the year progresses. The gradual climb from the summer lows to the higher levels typical of fall and winter creates a distinct rhythm in Wrexham's climate, emphasizing the richness of the region’s changing seasons.

September Average Humidity in Wrexham

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

In September, Wrexham's UV Index reflects a transition as summer wanes, displaying a moderate UV Index of 5. This unlocks a burn time of about 30 minutes, encouraging outdoor enthusiasts to enjoy the mild weather while remaining cautious. Compared to the peak summer months where the UV Index soared to 8, September signals a shift towards safer sun exposure without compromising on the charm of early autumn outings. As people revel in this vibrant month, understanding UV levels is crucial for skin protection during these sunny days. For further insights, check out the detailed information at Wrexham UV Index.

Maximum UV Index Levels in Wrexham for September

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

In Wrexham, September brings a delightful respite from the summer's intense glow, showcasing 286 hours of sunshine that gracefully transitions into autumn. As the days grow shorter, this month stands as a remarkable marker in the yearly sunshine trend, boasting significantly more hours than winter months like November and December, which barely scrape past 100 hours. Following the sun-drenched summer, where July shines with an impressive 396 hours, September provides a gentler warmth that still invites outdoor activities. Notably, it offers more sunlight than the spring months, reflecting a gradual retreat from the vibrant light of mid-summer, yet still encapsulating the lingering essence of sunny days. Overall, September serves as a bridge between summer's brilliance and the impending cozy embrace of fall.

Monthly Sunshine Duration in Wrexham: September Highlighted

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

Chance of Sun in Wrexham During September

As September arrives in Wrexham, the chances of enjoying sunny weather sit at a modest 23%. This mirrors the similar likelihood seen in June and August, indicating a steady pattern in the region's late summer and early autumn climate. After a spike in April with its 44% chance of sunshine, the subsequent months suggest a gradual decline, reflecting the transition towards the cooler, cloudier days of autumn. With these trends in mind, September can be a delightful time for outdoor activities, albeit with a realistic expectation of overcast skies.

Percentage of Sunny Days in September in Wrexham

The chart illustrates the percentage of sunny days in Wrexham 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 Wrexham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%22%23%44%29%23%37%23%23%19%28%15%
Data source: Wrexham September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wrexham in September

As the summer months fade away, September in Wrexham ushers in a noticeable shift in daylight duration, offering approximately 12 hours of sunlight each day. While this marks a gradual decrease from the 14 hours enjoyed in August, it still reflects a generous amount of daylight compared to the brisk winter months ahead. Observing the trends, we see a peak in daylight during the long days of June and July, tapering off as autumn approaches. This transition not only highlights the seasonal rhythm of nature but also invites the vibrant colors and crisp air characteristic of early fall. Embrace the remaining warmth of September before the shorter days settle in, making way for cozy evenings and the beauty of autumn foliage.

Average Daylight Hours in Wrexham for September

The chart illustrates the variation in daylight duration in Wrexham 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: Wrexham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wrexham

As September settles in Wrexham, the air feels distinctly tranquil, with an average wind speed of 2.7 m/s (6 mph) that mirrors the calm of late summer. This gentle breeze is a welcome contrast to the energetic gusts of early spring and the unpredictable winds of autumn. In fact, September's winds closely align with the quieter months of July and June, suggesting a gradual shift toward the crispness of fall. While the wind speeds may be less vigorous compared to the blustery October ahead, this serene September atmosphere invites strolls through colorful landscapes, making it a perfect time to enjoy the natural beauty before winter takes hold.

Average September Wind Speed in Wrexham

The chart displays monthly wind speed patterns in Wrexham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.64.54.12.73.42.72.43.12.7 m/s4.33.74.0
Data source: Wrexham September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wrexham Compares to Other Months

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

In September, the weather is generally warmer, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 27°C (81°F) and an average of 14°C (57°F). This month experiences higher humidity at 85% and receives approximately 79 mm (3.1 in) of precipitation over 12 days. In contrast, January is much cooler, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 14°C (57°F), and an average of just 5°C (41°F). While January has slightly less precipitation at 60 mm (2.4 in) over 10 days, the humidity is slightly higher at 89%. For more detailed insights on winter conditions, check out Wrexham weather in January.

In comparing the weather of September and February, September generally offers milder temperatures, with averages around 14°C (57°F) and maximums reaching 27°C (81°F), making it a more comfortable month overall. In contrast, February sees colder conditions, with average temperatures only around 6°C (42°F) and minimums dipping as low as -5°C (24°F). Although both months experience notable precipitation, September yields slightly more with 79 mm (3.1 in) across 12 days compared to February's 74 mm (2.9 in) over 14 days. Humidity levels are noticeably high in both months, peaking at 85% in September and slightly increasing to 88% in February. For more detailed information on February weather specifically, visit Wrexham weather in February.

September and March present noticeably different weather patterns as the seasons transition. In September, temperatures range from a mild 2°C (35°F) at night to a pleasant average of 14°C (57°F) during the day, peaking at 27°C (81°F). The month sees about 79 mm (3.1 in) of rainfall over approximately 12 days, with humidity levels around 85%. Conversely, March is much cooler, with nighttime temperatures dipping to a chilly -6°C (22°F) and an average of just 7°C (44°F) throughout the day, peaking at 20°C (68°F). While March has slightly more rainfall at 82 mm (3.2 in) distributed over 14 days, humidity remains fairly consistent at 86%. This comparison highlights the transition from the warmth of late summer to the chill of early spring. For more details on March weather, visit Wrexham weather in March.

When comparing the weather in September and April, we see noteworthy differences in temperature and precipitation. September tends to be milder, with average temperatures ranging from a low of 2°C (35°F) to a high of 27°C (81°F), while April has cooler averages, with temperatures ranging from -3°C (27°F) to 21°C (71°F). In terms of precipitation, September experiences more rainfall, totaling 79 mm (3.1 in) over about 12 days, compared to April's 53 mm (2.1 in) over 10 days. Humidity levels are quite similar, with September at 85% and April slightly lower at 84%. For a more detailed look at April weather specifics, you can check Wrexham weather in April.

September and May present quite contrasting weather patterns. In September, temperatures typically range from a minimum of 2°C (35°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). This month sees considerable rainfall, totaling 79 mm (3.1 in) over about 12 days, coupled with high humidity at 85%. In contrast, May showcases cooler temperatures, where the minimum dips to -1°C (31°F) and the average is around 11°C (53°F). Maximum temperatures reach a comfortable 26°C (79°F), with less precipitation at 63 mm (2.5 in) across 11 days and slightly lower humidity at 79%. For more detailed information, you can check the Wrexham weather in May.

In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). The month sees about 79 mm (3.1 in) of precipitation over 12 days and maintains a high humidity level of 85%. In contrast, June has slightly higher temperatures, with a minimum of 5°C (41°F) and a maximum of 28°C (83°F), yielding an average of 15°C (59°F). It experiences a bit more precipitation at 87 mm (3.4 in) over the same number of days, but with a slightly lower humidity of 81%. This comparison highlights September’s cooler temperatures and higher humidity compared to the warmer, though slightly wetter, June. For more detailed insights, check Wrexham weather in June.

In comparing the weather between July and September, one can discern notable differences. July tends to be slightly warmer, with average temperatures reaching 16°C (62°F) and maximums attaining 29°C (84°F), while September averages cooler at 14°C (57°F) and peaks at 27°C (81°F). Both months experience similar precipitation levels, with September receiving a bit more at 79 mm (3.1 in) compared to July's 72 mm (2.8 in), although the number of rainy days is consistent at 12. Moreover, September exhibits a higher humidity level at 85% compared to July's 78%. For more detailed insights into July's weather, check out Wrexham weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with a minimum temperature of 2°C (35°F) compared to August's 6°C (43°F). The average temperatures also reflect this difference, with September averaging 14°C (57°F) versus August's 16°C (61°F). August experiences slightly higher maximum temperatures at 29°C (84°F), while September peaks at 27°C (81°F). Rainfall is quite similar in both months, with September receiving 79 mm (3.1 in) over approximately 12 days, compared to August's 83 mm (3.3 in) over 15 days. Additionally, September has a higher humidity level at 85%, compared to August's 79%. For more detailed information on August weather, visit Wrexham weather in August.

September displays a wide temperature range, with minimums around 2°C (35°F) and maximums reaching up to 27°C (81°F), allowing for pleasant autumn days. In contrast, October sees cooler temperatures, with minimums dipping to -3°C (27°F) and average highs of 21°C (70°F), marking a notable shift towards winter. Both months experience significant rainfall, though October has slightly higher precipitation at 86 mm (3.4 in) over 13 days compared to September's 79 mm (3.1 in) across 12 days. Additionally, humidity levels are higher in October, averaging 90%, compared to September's 85%. For detailed information on October weather specifics in Wrexham, check out Wrexham weather in October.

September and November present contrasting weather patterns as the seasons shift. In September, temperatures range from a mild 2°C (35°F) at night to a warm 27°C (81°F) during the day, with an average of 14°C (57°F). The month sees about 79 mm (3.1 in) of precipitation over roughly 12 days, with humidity levels hovering around 85%. In contrast, November's temperatures drop significantly, with minimums reaching -3°C (28°F) and averages around 8°C (46°F). While the maximum temperatures peak at 16°C (61°F), the month experiences slightly lower precipitation at 72 mm (2.8 in) spread over 16 days, and humidity rises to 91%. This transition from the warmth of early autumn to the chill of late fall is evident in the changing weather dynamics. For more detailed information, check out Wrexham weather in November.

The weather in September is generally milder, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 27°C (81°F) and an average of 14°C (57°F). In contrast, December brings much colder conditions, with temperatures dropping as low as -7°C (20°F) and only reaching a maximum of 13°C (56°F), averaging around 6°C (43°F). Additionally, December experiences slightly higher precipitation levels, with 93 mm (3.7 in) over 17 days, compared to September's 79 mm (3.1 in) over 12 days. The humidity also rises in December, reaching 89% compared to September's 85%. For more details on December weather, visit Wrexham weather in December.

Compare Wrexham's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wrexham

As September unfolds in Wrexham, the weather marks a distinct shift from the preceding summer months, blending the warmth of lingering highs with the crispness of autumn. With maximum temperatures reaching a pleasant 27°C (81°F) and an average that settles around 14°C (57°F), the month offers a comfortable transition, yet it can dip to 2°C (35°F) on cooler nights. Frequent rainfall, totaling around 79 mm (3.1 in) over 12 days, coupled with humidity levels soaring to 85%, adds a refreshing touch to the landscape, signaling the approach of autumn. This unique blend of warm days and cool nights makes September a captivating time in Wrexham. For more detailed insights into the seasonal variations, visit Wrexham Climate.