September Weather in Clevedon, United Kingdom

Last updated: March 17, 2025

September in Clevedon, United Kingdom offers a delightful blend of weather experiences, with maximum temperatures peaking at a warm 29°C (85°F), creating fleeting echoes of summer. The average temperature settles around a comfortable 15°C (59°F), whilst the chill of early mornings can drop to a brisk minimum of 3°C (37°F). During this month, expect some rain, as the area receives around 56 mm (2.2 in) of precipitation over approximately 9 days, contributing to the lush landscapes. Humidity levels hover at 79%, adding a touch of moisture to the air, making September a dynamic month that bridges the warmth of summer and the coolness of autumn.

September Temperature in Clevedon

As September unfolds in Clevedon, temperatures begin to transition from the warmth of summer to the cooler embrace of autumn. With minimums dipping to 3°C (37°F), the nights can feel brisk, while the average temperature settles around a comfortable 15°C (59°F). Daytime highs can reach a pleasant 29°C (85°F), creating a delightful warmth that encourages outdoor activities and scenic strolls along the coast. This month exemplifies a striking balance, as the lingering summer heat starts to yield to more autumnal conditions, marking a beautiful transformation in the landscape. The crisp air and golden hues signal the onset of change, making September a unique and engaging time in Clevedon.

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

The chart illustrates September temperature patterns in Clevedon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495561646258534744
Data source: Temperature data for Clevedon 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 Clevedon

In September, Clevedon experiences a gentle transition from the summer months, with a precipitation amount of 56 mm (2.2 in) over 9 days. This marks a slight decrease compared to the heavier rainfall of August, which recorded 79 mm (3.1 in). As the year progresses, September's milder weather hints at the approaching autumn, featuring fewer rainy days than the late summer. Although the overall precipitation is lower, it still contributes to the lush greenery that characterizes Clevedon, making it a picturesque time of year. This trend of decreasing precipitation continues into October, where the rain is expected to ramp up significantly, reaching 105 mm (4.1 in).

September Precipitation Trends in Clevedon

The chart displays monthly precipitation patterns in Clevedon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5873785371756779561057097
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Clevedon

In September, Clevedon experiences a comfortable shift in humidity levels, averaging around 79%. This signifies a slight increase from the drier summer months of July and August, which saw humidity drop to 70% and 73%, respectively. As the year transitions into autumn, humidity begins to rise again, reflecting a gradual return to the higher levels typical in the earlier months. Notably, this trend culminates in October when humidity spikes back up to 89%, underscoring the region's characteristic dampness as it heads into winter. The September climate, with its moderate humidity, offers a balanced and pleasant environment that marks the beginning of a transition in Clevedon’s weather patterns.

September Average Humidity in Clevedon

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

As September rolls in Clevedon, the UV Index reflects a high exposure category of 6, requiring a thoughtful approach to sun protection with a burn time of just 25 minutes. This month signals a slight decrease from the intense summer months of July and August, which peaked at an UV Index of 8, yet remains notably elevated compared to the cooler months earlier in the year. As temperatures begin to dip, it's crucial to stay vigilant about UV exposure, especially during outdoor activities. Embrace the early autumn sun responsibly and check your UV safety regularly for the best practices this season. For more information, visit Clevedon UV Index.

Maximum UV Index Levels in Clevedon for September

The chart shows the monthly maximum UV Index (UVI) for Clevedon 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Clevedon 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 Clevedon

September in Clevedon, United Kingdom, brings a delightful transition as summer lingers with 281 hours of sunshine. This marks a notable shift from the sun-drenched days of July, which boasts an impressive 397 hours, and August's 347 hours. As the days begin to shorten, September's hours still provide ample opportunity for outdoor activities, holding onto that summer glow before the autumn chill sets in. The month's sunshine is a stark contrast to the dim winter months ahead, where October sees a decline to 229 hours, followed by November and December with just 127 and 105 hours, respectively. This trend underscores the fleeting nature of Clevedon's summer brilliance, as residents prepare to embrace the cozy months that follow.

Monthly Sunshine Duration in Clevedon: September Highlighted

The September sunshine duration represents the total number of hours Clevedon 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.
JanFebMarAprMayJunJulAugSepOctNovDec86h138h192h306h379h360h397h347h281h229h127h105h
Data source: Clevedon September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clevedon During September

As September rolls into Clevedon, the likelihood of sunny weather remains modest, with a 27% chance of sunshine. This figure mirrors the previous month of August, suggesting a steady but subtle pattern in the region’s late-summer climate. While this percentage is significantly higher than the depths of winter, it falls short of the more promising spring months, particularly April, which boasts a 52% chance. Overall, September presents a transitional phase where patrons can still enjoy some sun, but should also prepare for the cooler, cloudier days ahead, reflecting the gradual shift towards autumn.

Percentage of Sunny Days in September in Clevedon

The chart illustrates the percentage of sunny days in Clevedon 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 Clevedon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%22%28%53%34%26%38%27%27%22%31%20%
Data source: Clevedon September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clevedon in September

As September rolls into Clevedon, the days begin to shorten, with daylight lasting approximately 12 hours. This marks a gentle decline from the vibrant summer months of June and July, which basked in nearly 16 hours of sunshine. Following the sun's peak, August sees a gradual retreat with 14 hours of daylight, hinting at the approaching autumn. The transition into September brings a noticeable shift, as the long, lazy days of summer yield to the crisper, shorter spells of light. Observing this rhythmic dance of daylight, one can anticipate the descent into the shorter days of fall, with October looming nearby at 10 hours of daylight.

Average Daylight Hours in Clevedon for September

The chart illustrates the variation in daylight duration in Clevedon throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Clevedon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Clevedon

As September rolls into Clevedon, the average wind speed dips to 3.2 m/s (7 mph), marking a subtle continuation of the summer's calm breezes. This decline follows a gradual pattern observed from June to August, where wind speeds lingered around the gentle 3.1 to 3.6 m/s (7 to 8 mph) range. Notably, September's winds align closely with the year's quieter months, hinting at a transitional phase as the season shifts. With October expected to bring a slight increase to 4.2 m/s (9 mph), we can anticipate a gradual reawakening of coastal gusts, setting the stage for the brisker winds of autumn.

Average September Wind Speed in Clevedon

The chart displays monthly wind speed patterns in Clevedon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.35.14.43.34.23.23.13.63.2 m/s4.23.64.4
Data source: Clevedon September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Clevedon Compares to Other Months

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

September and January present notably different weather patterns. In September, temperatures can range from a low of 3°C (37°F) to a high of 29°C (85°F), with an average of 15°C (59°F), making it a relatively warm month. In contrast, January experiences much colder temperatures, with a minimum of -4°C (24°F) and a maximum of 14°C (57°F), averaging around 5°C (42°F). Precipitation levels are similar, with September receiving 56 mm (2.2 in) over 9 days and January seeing slightly more at 58 mm (2.3 in) across 10 days. Additionally, humidity levels are higher in January at 88%, compared to 79% in September. For more detailed insights, refer to Clevedon weather in January.

In comparing the weather between September and February, our findings reveal distinct seasonal differences. September boasts a milder average temperature of 15°C (59°F), with daytime highs reaching up to 29°C (85°F), while February has a colder average of 6°C (44°F), with maximum temperatures only reaching 18°C (64°F). Precipitation is slightly higher in February, totaling 73 mm (2.9 in) across 14 days, compared to September's 56 mm (2.2 in) over 9 days. Additionally, February experiences higher humidity levels at 88%, while September sits at 79%. For more specific details on the weather in February, you can visit Clevedon weather in February.

When comparing the weather in September and March, one can observe distinct differences in temperature and precipitation patterns. September experiences milder temperatures, with a minimum of 3°C (37°F) and an average of 15°C (59°F), reaching up to 29°C (85°F) on warmer days. In contrast, March is much cooler, starting with a minimum of -6°C (22°F) and an average of 7°C (46°F), with a maximum of 21°C (70°F). Additionally, March sees more precipitation, totaling 77 mm (3.0 in) over 14 days, whereas September has 56 mm (2.2 in) spread over 9 days. Humidity levels are slightly higher in March at 86%, compared to September's 79%. For a more detailed look at March weather, you can visit Clevedon weather in March.

When comparing the weather in September and April, we see notable differences in temperature and overall climate. September boasts a milder range, with minimum temperatures of 3°C (37°F) and maximums reaching 29°C (85°F), averaging 15°C (59°F). In contrast, April starts off cooler, with a minimum of -2°C (28°F) and maximums of 23°C (74°F), averaging only 10°C (49°F). Both months experience similar precipitation levels, with September receiving 56 mm (2.2 in) and April a little less at 53 mm (2.1 in), both spread over about 9 days. Despite this, April's higher humidity at 84% compared to September's 79% contributes to a denser spring atmosphere. For more detailed insights, you can check Clevedon weather in April.

When comparing the weather in September and May, we observe some notable differences. September tends to be slightly warmer with average temperatures of 15°C (59°F) and a maximum of 29°C (85°F), while May has a lower average of 13°C (55°F) and reaches a maximum of 27°C (80°F). Precipitation is also a factor, as September experiences around 56 mm (2.2 in) of rainfall over 9 days, whereas May sees a bit more rain at 71 mm (2.8 in) over 12 days. Humidity levels remain relatively similar, with September at 79% and May slightly higher at 80%. For more detailed insights, check out Clevedon weather in May.

In comparing the weather between September and June, we find distinct differences in temperature and precipitation patterns. September tends to have a broader temperature range, with a minimum of 3°C (37°F) and a maximum of 29°C (85°F), giving an average of 15°C (59°F). In contrast, June experiences milder minimum temperatures at 7°C (44°F) and a higher maximum of 31°C (88°F), leading to a slightly warmer average of 16°C (61°F). Both months receive precipitation, but June has a higher total of 75 mm (3.0 in) over 12 days compared to September's 56 mm (2.2 in) across 9 days. Humidity levels remain similar, with September at 79% and June at 80%. For more details, you can check Clevedon weather in June.

When comparing the weather in September and July, September tends to offer slightly cooler temperatures, with a minimum of 3°C (37°F) and an average of 15°C (59°F), while July features warmer readings, with a minimum of 8°C (46°F) and an average of 18°C (64°F). Interestingly, the maximum temperatures in both months are quite similar, peaking at 29°C (85°F) in September and 30°C (87°F) in July. However, July experiences more precipitation, totaling 67 mm (2.7 in) over 11 days, compared to September's 56 mm (2.2 in) spread across 9 days. Humidity levels are higher in September at 79%, compared to 70% in July, creating a more muggy atmosphere as summer transitions into autumn. For more detailed information, check Clevedon weather in July.

In comparing the weather of September to August, we see a notable drop in both minimum and average temperatures. September's temperatures range from a chilly 3°C (37°F) to a warm 29°C (85°F), while August enjoys milder conditions with a minimum of 7°C (46°F) and a maximum of 32°C (90°F). Additionally, September experiences slightly less precipitation at 56 mm (2.2 in) over 9 days, compared to August's 79 mm (3.1 in) spread across 12 days. Humidity also rises in September, reaching 79%, which is higher than August's 73%. For more details on August weather, you can visit Clevedon weather in August.

September and October present distinct weather patterns, showcasing a notable transition from late summer to autumn. In September, temperatures range from a mild minimum of 3°C (37°F) to a warm average of 15°C (59°F) and peak at 29°C (85°F). This month experiences relatively lower precipitation, totaling 56 mm (2.2 in) across 9 days, with humidity averaging 79%. In contrast, October brings a significant drop in temperatures, with a minimum of 0°C (32°F) and an average of 12°C (53°F), culminating in a maximum of 23°C (73°F). Rainfall increases to 105 mm (4.1 in) over 14 days, and humidity rises to 89%, creating a much wetter and cooler environment. For more detailed insights, you can check Clevedon weather in October.

In September, the weather is generally warmer with average temperatures reaching up to 15°C (59°F) and maximums of 29°C (85°F), making it a pleasant month to enjoy outdoor activities. However, the humidity is relatively high at 79%, and the month sees around 56 mm (2.2 in) of rain over 9 days. In contrast, November brings much cooler conditions, with average temperatures dropping to 8°C (47°F) and maximums only reaching 16°C (62°F). The month is also wetter, with 70 mm (2.8 in) of precipitation spread over 13 days, and humidity increases to a notable 90%. For more insights on how November weather impacts daily life, you can visit Clevedon weather in November.

September and December present significantly different weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (85°F) during the day, with an average of 15°C (59°F). The month sees moderate precipitation of 56 mm (2.2 in) over about 9 days, accompanied by relatively lower humidity at 79%. In contrast, December experiences much cooler temperatures, with lows dipping to -5°C (23°F) and highs reaching only 14°C (58°F), resulting in a chilling average of 7°C (44°F). Precipitation increases notably to 97 mm (3.8 in) spread across 16 days, and humidity rises to 89%, creating a distinctly wetter and colder atmosphere. For a detailed look at December weather, check out Clevedon weather in December.

Compare Clevedon's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Clevedon

As summer gracefully transitions into autumn, September in Clevedon presents a delightful blend of warm days and cooler nights. Temperatures can reach a pleasant maximum of 29°C, inviting outdoor activities, yet the average dips to a comfortable 15°C in line with the approaching fall. While there are instances of rainfall—totaling around 56 mm over approximately nine days—these showers often bring a refreshing change, enhancing the lush scenery. The humidity remains relatively high at 79%, contributing to a mild and temperate climate that feels distinct from the more sweltering summer months. For a deeper dive into Clevedon's delightful weather patterns throughout the year, check out Clevedon Climate.