September Weather in Weston-super-Mare, United Kingdom

Last updated: March 17, 2025

September in Weston-super-Mare, United Kingdom, showcases a dynamic climate as summer transitions into autumn. With a maximum temperature peaking at 28°C (83°F), visitors can still bask in warm days, while the average settles comfortably around 15°C (60°F). However, early risers may need to brace for cooler mornings with temperatures dipping to a minimum of 4°C (39°F). The month brings about a moderate level of rainfall, accumulating to 65 mm (2.6 in) across roughly 10 days, resulting in an overall humidity of 79% that enhances the refreshing coastal air. This blend of warmth and moisture creates an inviting atmosphere for both locals and visitors to enjoy the vibrant surroundings of this charming seaside town.

September Temperature in Weston-super-Mare

As September rolls into Weston-super-Mare, the transition to autumn is palpable, yet the temperatures still retain a hint of summer warmth. With average highs reaching a comfortable 28°C (83°F), and lows settling around 4°C (39°F), the month presents a delightful balance for both residents and visitors alike. This moderate climate, marked by an average of 15°C (60°F), sets the stage for pleasant outdoor activities amidst the beautiful coastal scenery. As the warmth of summer gradually gives way to the crispness of fall, September is a particularly inviting time to explore the scenic landscapes and vibrant local culture, before the cooler months draw near.

September Weather in Weston-super-Mare: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Weston-super-Mare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434446495561646359544846
Data source: Temperature data for Weston-super-Mare 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 Weston-super-Mare

In September, Weston-super-Mare experiences a relatively moderate precipitation level of 65 mm (2.6 in) over approximately 10 days of rain. This positions September as a transition month, nestled between the wetter summer and the arrival of the more substantial rainfall of autumn. With August recording higher rainfall at 84 mm (3.3 in) and October expected to surge to 113 mm (4.5 in), the September totals reflect a slight decrease, hinting at the shifting weather patterns. This month often welcomes a mix of lingering summer warmth and the crisp beginnings of fall, offering a balance before the more intense precipitation days that dominate the later autumn months.

September Precipitation Trends in Weston-super-Mare

The chart displays monthly precipitation patterns in Weston-super-Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59708050657368846511374101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Weston-super-Mare

September in Weston-super-Mare sees a modest drop in humidity to 79%, marking a slight transition from the summer months. While the air remains relatively humid, it is noticeably less so than the peak levels of July and August, which experienced humidity levels of 70% and 73%, respectively. This gentle decrease signals the onset of autumn, where moisture levels begin to rise again as October approaches, bringing with it a humidity of 89%. Throughout the year, the overall trend is clear: humidity peaks in the winter months, with January and February consistently hovering around 88%. As the seasons shift, Weston-super-Mare offers a dynamic climate experience, where autumn air carries a touch of lingering summer warmth, even as preparations for the wetter months unfold.

September Average Humidity in Weston-super-Mare

This chart illustrates the average monthly humidity levels in Weston-super-Mare, 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%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Weston-super-Mare

As September unfolds in Weston-super-Mare, the UV Index settles at a solid 6, indicating a high exposure category with a burn time of 25 minutes for fair-skinned individuals. This marks a gradual decline from the peak summer months of July and August, which boasted very high levels of UV exposure. Interestingly, while the sun’s intensity decreases compared to summer, the trends reveal that early autumn still demands sun protection, especially during midday hours. As we transition into October, the UV Index will further dip to 4, reminding residents and visitors alike to stay vigilant and enjoy the sunny days while being mindful of their skin. For more detailed insights, check out the comprehensive guide on the Weston-super-Mare UV Index.

Maximum UV Index Levels in Weston-super-Mare for September

The chart shows the monthly maximum UV Index (UVI) for Weston-super-Mare 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Weston-super-Mare 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 Weston-super-Mare

As summer fades into autumn, September in Weston-super-Mare boasts a delightful 283 hours of sunshine, making it one of the brighter months of the year. This charming coastal town experiences a gradual decline in sunlight as it transitions from the peak of summer, where July shines with a remarkable 401 hours. Interestingly, despite the shorter days, September still offers a substantial amount of sunshine compared to the darker winter months ahead, such as November with only 124 hours. With sunshine levels significantly higher than the early months of the year—like January with a mere 83 hours—September serves as a beautiful bridge, inviting visitors to enjoy the calming beaches and scenic views before the autumn chill sets in.

Monthly Sunshine Duration in Weston-super-Mare: September Highlighted

The September sunshine duration represents the total number of hours Weston-super-Mare 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h139h194h306h384h360h401h349h283h230h124h101h
Data source: Weston-super-Mare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Weston-super-Mare During September

September in Weston-super-Mare tends to offer a mild chance of sunshine, recorded at around 27%. This figure aligns closely with the sunniest months of July and August, hinting at a gradual shift as summer winds down. While the peak of sun often occurs in April, with a notable 53% likelihood, September's weather can still surprise with pleasant days as it transitions into autumn. Interestingly, September's sun probability is also comparable to months like June and October, indicating a relatively stable climate. As residents and visitors embrace the early fall, they can still expect bright moments amongst the shifting seasons.

Percentage of Sunny Days in September in Weston-super-Mare

The chart illustrates the percentage of sunny days in Weston-super-Mare 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 Weston-super-Mare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%24%30%53%37%27%40%29%27%23%29%21%
Data source: Weston-super-Mare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Weston-super-Mare in September

As summer fades into autumn, September in Weston-super-Mare marks a gentle transition characterized by a decrease in daylight hours, with an average of 12 hours each day. Following the sun-soaked months of June and July, which boast a maximum of 16 hours of daylight, September presents a noticeable shift as it edges closer to the shorter days of October and November. This gradual reduction reflects the natural rhythm of the seasons, with daylight diminishing from the peak summer brightness, yet still offering a pleasant balance between the lingering warmth of summer and the coolness of fall. The trend of decreasing daylight continues in October, dropping to 10 hours, hinting at the cozy embrace of autumn evenings ahead.

Average Daylight Hours in Weston-super-Mare for September

The chart illustrates the variation in daylight duration in Weston-super-Mare throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 35m16h 29m16h14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Weston-super-Mare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Weston-super-Mare

As September unfolds in Weston-super-Mare, the wind begins to mellow, averaging a gentle 3.8 m/s (8 mph). This subtle breeze mirrors the transition from the lively summer months, where winds peaked at 4.2 m/s (10 mph) in August, to the cooler, crisper autumn air ahead. Following a trend of gradually decreasing wind speeds from the spring peak, September's winds maintain a calm atmosphere, making it an ideal time for leisurely seaside strolls and enjoying the last warm days before the autumn chill sets in. With October promising a slight uptick to 4.8 m/s (11 mph), the environment continues to evolve, captivating visitors with its charming coastal allure.

Average September Wind Speed in Weston-super-Mare

The chart displays monthly wind speed patterns in Weston-super-Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.95.03.85.03.63.74.23.8 m/s4.84.25.4
Data source: Weston-super-Mare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Weston-super-Mare Compares to Other Months

The weather in Weston-super-Mare 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 Weston-super-Mare and find detailed weather information for every month.

September and January present contrasting weather conditions. In September, temperatures range from a minimum of 4°C (39°F) to a pleasant average of 15°C (60°F) and can reach up to 28°C (83°F), making it relatively warm. The month experiences around 65 mm (2.6 in) of precipitation over approximately 10 days, with humidity levels at 79%. In contrast, January is much colder, with temperatures dropping to a minimum of -2°C (28°F) and an average of 6°C (43°F), peaking at just 14°C (57°F). This month receives slightly less precipitation at 59 mm (2.3 in) across 11 days, and humidity is higher at 88%. For more details, you can check Weston-super-Mare weather in January.

September and February present a marked contrast in weather conditions. September enjoys a milder climate with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). The month experiences 65 mm (2.6 in) of precipitation over approximately 10 days and maintains a humidity level of 79%. In stark contrast, February sees colder temperatures, with lows of -4°C (25°F) and highs of just 16°C (61°F), averaging 7°C (45°F). This month is slightly wetter, receiving 70 mm (2.8 in) of rainfall over about 14 days, and experiences higher humidity at 88%. For more detailed information, you can visit Weston-super-Mare weather in February.

The weather in September features a more moderate climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). While it experiences relatively lower precipitation of 65 mm (2.6 in) over about 10 days, the humidity is at a comfortable 79%. In contrast, March is cooler, with temperatures dipping to a minimum of -5°C (23°F) and peaking at 19°C (67°F), averaging 8°C (46°F). March also sees slightly higher precipitation at 80 mm (3.1 in) spread over 15 days, accompanied by increased humidity at 86%. For more detailed information, you can check Weston-super-Mare weather in March.

In comparing the weather between September and April, notable differences emerge. September boasts a broader temperature range, with lows of 4°C (39°F) and highs reaching up to 28°C (83°F), while April experiences cooler conditions, with minimum temperatures dipping to -2°C (30°F) and a maximum of 21°C (70°F). Although both months feature some rainfall, September typically sees 65 mm (2.6 in) over 10 days, while April receives slightly less precipitation at 50 mm (2.0 in) across 8 days. Both months have relatively high humidity, with September at 79% and April rising to 84%. For a more detailed look at April's weather, you can check Weston-super-Mare weather in April.

When comparing the weather in September and May, we see that both months have similar precipitation levels, with about 65 mm (2.6 in) of rain spread over 10 to 11 days. However, September typically experiences slightly warmer temperatures, with a minimum of 4°C (39°F) and an average of 15°C (60°F), reaching a maximum of 28°C (83°F). In contrast, May has a lower temperature range, with a minimum of 2°C (36°F) and an average of 13°C (55°F), peaking at 25°C (77°F). Humidity levels are also comparable, sitting at 79% in September and 80% in May, making both months feel quite moist. For more specific details, you can check Weston-super-Mare weather in May.

When comparing the weather in September and June, we find some interesting similarities and differences. September typically has slightly cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (60°F), while June starts at a minimum of 8°C (46°F) and averages 16°C (61°F). The maximum temperatures in both months are quite comparable, reaching up to 28°C (83°F) in September and 29°C (84°F) in June. However, September experiences a bit less precipitation, with 65 mm (2.6 in) over 10 days compared to June's 73 mm (2.9 in) over 12 days. Both months have similar humidity levels, around 79% and 80% respectively. For a detailed look at June weather, you can refer to Weston-super-Mare weather in June.

In comparing the weather of September to that of July, we see distinct differences in temperature and humidity. September experiences cooler temperatures, with minimums dropping to about 4°C (39°F) and an average of 15°C (60°F), while July boasts warmer minimums starting at 9°C (49°F) and an average of 18°C (64°F). Both months see similar precipitation levels, with September receiving 65 mm (2.6 in) over 10 days compared to July's 68 mm (2.7 in) over 11 days. Interestingly, September has a higher humidity at 79%, while July is slightly drier at 70%. For a closer look at July weather patterns, you can visit Weston-super-Mare weather in July.

In comparing the weather of September to that of August, September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (60°F), while August has milder conditions, starting at a minimum of 10°C (50°F) and averaging 17°C (63°F). The maximum temperatures in August also edge higher, reaching up to 30°C (86°F), compared to September's peak of 28°C (83°F). Precipitation is more frequent in August, totaling 84 mm (3.3 in) over 13 days, whereas September sees slightly less rain at 65 mm (2.6 in) across 10 days. Interestingly, September's humidity is higher at 79%, compared to August's 73%. For more detailed insights, you can visit Weston-super-Mare weather in August.

September generally offers warmer temperatures compared to October, with a minimum of 4°C and an average high of 28°C, while October sees cooler nights with a minimum of 1°C and an average high of 22°C. Precipitation also increases in October, with 113 mm of rain across 15 days, compared to September's 65 mm over just 10 days. The humidity rises in October to 89%, making the air feel more damp and chilly. For a detailed look at what to expect, check out Weston-super-Mare weather in October.

In September, temperatures in Weston-super-Mare vary significantly, with a minimum of 4°C (39°F) and a maximum reaching 28°C (83°F), leading to an average of 15°C (60°F). The month experiences a moderate amount of rainfall, totaling 65 mm (2.6 in) over approximately 10 days, accompanied by a humidity level of 79%. In contrast, November sees a notable drop in temperatures, with averages around 9°C (49°F) and daily highs peaking at 17°C (62°F). This month records greater precipitation, totaling 74 mm (2.9 in), over about 14 days, and higher humidity levels at 90%. For more detailed information, you can check Weston-super-Mare weather in November.

In September, the weather is generally milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). This month experiences about 65 mm (2.6 in) of precipitation over approximately 10 days, with humidity levels at 79%. In contrast, December sees much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 14°C (58°F), averaging at 8°C (46°F). The precipitation increases to 101 mm (4.0 in) across 16 days, and humidity rises to 89%. For more details on winter conditions, you can check Weston-super-Mare weather in December.

Compare Weston-super-Mare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Weston-super-Mare

As September rolls in, Weston-super-Mare experiences a noticeable shift in weather compared to the height of summer. With days beginning to cool, visitors can expect a pleasant blend of warmer temperatures and the crispness of early autumn. While the average temperature dips, it still offers ample opportunities for outdoor activities, though occasional rain may make an appearance. Humidity levels remain high, contributing to a unique seaside atmosphere that's both refreshing and invigorating. Whether you're enjoying the lingering warmth or embracing the seasonal changes, September sets a charming backdrop for exploring this coastal gem. For more detailed information on what to expect, check out Weston-super-Mare Climate.