September Weather in Shanklin, United Kingdom

Last updated: March 17, 2025

In September, Shanklin, United Kingdom, experiences a delightful blend of late summer warmth and early autumn coolness. With maximum temperatures reaching 27°C (81°F) and an average of 16°C (61°F), the month offers pleasant days, while nights can dip to a cooler 6°C (44°F). However, expect some rain, as the area receives an average of 48 mm (1.9 in) of precipitation over approximately 9 days, contributing to a humidity level of 82% that adds a refreshing touch to the coastal atmosphere. This transitional month captures the essence of change, making it a unique time to explore Shanklin's scenic beauty.

September Temperature in Shanklin

In Shanklin, United Kingdom, September marks a delightful transition into autumn, with temperatures showing a warm yet gentle decline. The month kicks off with minimums around 6°C (44°F) and can reach up to a pleasant 27°C (81°F), reflecting one of the last bursts of summer warmth. On average, the temperature sits comfortably at 16°C (61°F), making it an ideal time for enjoying outdoor activities before the chill of October sets in. As the month progresses, you can expect slightly cooler evenings, but the overall warmth allows for a lingering appreciation of the season's beauty. This shift from the hotter summer months of July and August, which often saw highs of 30°C (87°F), is welcomed by many, as it introduces a crisper, refreshing air while still offering plenty of sunny days.

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

The chart illustrates September temperature patterns in Shanklin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434547505662656461554946
Data source: Temperature data for Shanklin 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 Shanklin

In September, Shanklin, United Kingdom experiences a relatively mild shift in precipitation, recording 48 mm (1.9 in) of rain over 9 days. Compared to the preceding August, which saw a higher rainfall of 63 mm (2.5 in) across the same number of days, September hints at a transition toward the wetter autumn months. This slight decrease in both total rainfall and rainy days suggests a brief reprieve before October's more substantial deluge of 98 mm (3.9 in), which typically marks the onset of the traditionally rainier season. As summer fades, residents and visitors can expect more frequent showers, but September's weather continues to reflect the tail end of the milder, sunnier summer days.

September Precipitation Trends in Shanklin

The chart displays monthly precipitation patterns in Shanklin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec546060336174516348986894
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shanklin

In Shanklin, United Kingdom, September experiences a noticeable shift in humidity levels, averaging 82%. This marks a slight increase from the summer months, where humidity dipped to a low of 71% in July before gradually rising again. Despite the warm summer, September’s humidity is significantly lower than the winter months, which see levels soar to around 90% or higher. This trend highlights a transitional phase as the region moves from the milder heat of summer towards the cooler, more moisture-laden autumn. As the days shorten and temperatures cool, residents can expect a refreshing ambiance, though the air retains a hint of summer's lingering warmth.

September Average Humidity in Shanklin

This chart illustrates the average monthly humidity levels in Shanklin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shanklin

In September, Shanklin witnesses a notable decrease in UV exposure compared to the peak summer months, yet the UV Index still registers a high level of 6, with a burn time of just 25 minutes. This trend suggests that while the days are shortening and temperatures are cooling, sun protection remains essential for outdoor activities. As the year transitions, the UV Index gradually falls, starting from its intense highs of 8 in July and June to a more moderate level in October. Thus, it’s crucial to remain vigilant about sun safety, even as autumn approaches. For more details on monthly trends, visit Shanklin UV Index.

Maximum UV Index Levels in Shanklin for September

The chart shows the monthly maximum UV Index (UVI) for Shanklin 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.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Shanklin 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 Shanklin

September in Shanklin, United Kingdom, offers a delightful transition from the exuberance of summer to the crispness of autumn, with an impressive 320 hours of sunshine. While this month's sunshine diminishes from the sun-soaked peak of July, it still stands strong compared to the colder months ahead. Following the radiant heights of summer, which boasted over 400 hours in both May and June, September remains a bright spot in the calendar, hinting at warmth before the days shorten. As the comforting embrace of sunshine lingers, locals and visitors alike can savor the vibrant landscapes bathed in golden light, making it an ideal time for outdoor exploration.

Monthly Sunshine Duration in Shanklin: September Highlighted

The September sunshine duration represents the total number of hours Shanklin 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.
JanFebMarAprMayJunJulAugSepOctNovDec105h146h222h344h410h407h423h386h320h252h159h118h
Data source: Shanklin September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shanklin During September

In Shanklin, UK, September offers a 35% chance of sunny weather, marking a slight dip from the summer months. This transition reflects a gradual shift from the more vibrant sunny spells of late spring and early summer, with April peaking at 57% sun exposure. While September still enjoys better chances for sunshine compared to the cooler months like October and November, the overall trend indicates a move toward more unpredictable weather. As autumn sets in, residents and visitors are reminded to embrace the lingering warmth while staying prepared for the fleeting sunny days that September can offer.

Percentage of Sunny Days in September in Shanklin

The chart illustrates the percentage of sunny days in Shanklin 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 Shanklin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%26%37%57%40%30%40%31%35%29%37%22%
Data source: Shanklin September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shanklin in September

As September unfolds in Shanklin, the daylight begins to gently wane, offering an average of 12 hours of brightness. This gradual decline marks a shift from the sun-soaked days of summer, where daylight peaked at 16 hours in June. After enjoying lush, long evenings in May and July, the transition into autumn signals a more tempered daylight. While this month still enjoys a healthy amount of sun compared to the depths of winter, where it shrinks to just 8 hours in December, September's light serves as a beautiful reminder of the changing seasons, balancing the abundant brightness of summer with the forthcoming cozy charm of fall.

Average Daylight Hours in Shanklin for September

The chart illustrates the variation in daylight duration in Shanklin throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 30m16h 22m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Shanklin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Shanklin

As September rolls in Shanklin, the average wind speed settles at a gentle 4.2 m/s (9 mph), making it one of the calmer months of the year. This slight dip from the summer months reflects the transition into autumn, as the winds ease from the peak of 6.2 m/s (14 mph) seen in February. The trend of diminishing gusts continues, deviating from the summer's breezier days, and hinting at the cooler temperatures ahead. While the winds are relatively soft compared to earlier months, they still carry with them the hints of change, perfectly encapsulating the essence of a crisp September by the seaside.

Average September Wind Speed in Shanklin

The chart displays monthly wind speed patterns in Shanklin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.56.25.24.15.43.64.14.64.2 m/s5.34.55.5
Data source: Shanklin September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Shanklin Compares to Other Months

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

In September, the weather tends to be milder, with average temperatures around 16°C (61°F), peaking at a comfortable 27°C (81°F) on warmer days. With 48 mm (1.9 in) of precipitation spread over 9 days, the humidity levels are relatively high at 82%, setting a pleasant yet slightly damp atmosphere. In contrast, January is significantly colder, featuring average temperatures of just 6°C (44°F) and reaching a maximum of 14°C (57°F). This month receives slightly more precipitation at 54 mm (2.1 in), also over 9 days, but the humidity rises to 91%, creating a chillier and more overcast environment. For more details on January weather, you can visit Shanklin weather in January.

In September, the weather tends to be milder, with temperatures ranging from a minimum of 6°C (44°F) to a comfortable maximum of 27°C (81°F) and an average of 16°C (61°F). The month experiences 48 mm (1.9 in) of precipitation over about nine days, and the humidity averages around 82%. In contrast, February brings cooler conditions, where temperatures drop to a minimum of -6°C (22°F) and peak at 15°C (60°F), with an average of 7°C (45°F). Precipitation slightly increases to 60 mm (2.4 in) across eleven days, accompanied by higher humidity at 89%. For more detailed information, you can check out Shanklin weather in February.

In September, the weather in Shanklin is generally warmer, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). The month sees about 48 mm (1.9 in) of precipitation over approximately 9 days and a humidity level of 82%. In contrast, March experiences cooler temperatures, with a range from -4°C (25°F) to 18°C (64°F) and an average of 8°C (47°F). This month also has slightly higher precipitation at 60 mm (2.4 in) falling over 13 days, accompanied by a higher humidity level of 86%. For more detailed information on March weather, visit Shanklin weather in March.

When comparing the weather in September and April, notable differences emerge. September generally enjoys milder temperatures, with a minimum of 6°C (44°F) and a maximum of 27°C (81°F), averaging around 16°C (61°F). This month also experiences slightly more precipitation, totaling 48 mm (1.9 in) over approximately 9 days, while humidity levels hover around 82%. In contrast, April tends to be cooler, with a minimum temperature of 0°C (32°F) and a maximum of 23°C (74°F), averaging just 10°C (50°F). It sees less rainfall at 33 mm (1.3 in) across about 8 days, but with a slightly higher humidity of 85%. For more specific details on April's weather, you can check out Shanklin weather in April.

In September, the weather tends to be warmer, with average temperatures around 16°C (61°F) and maximums reaching up to 27°C (81°F), while May experiences slightly cooler averages of 13°C (56°F) and maximums of 25°C (77°F). However, May sees a higher frequency of precipitation days, with rain occurring on 11 days and a total of 61 mm (2.4 in) of rainfall, compared to September's 9 rainy days and 48 mm (1.9 in) of precipitation. Humidity levels are also relatively high in both months, at 82% in September and 79% in May, contributing to a mild feel in either season. For more details, check out Shanklin weather in May.

When comparing the weather in September and June, we see distinct characteristics for each month. September generally presents slightly cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 27°C (81°F), compared to June's warmer range of 9°C (48°F) to 30°C (87°F). Both months experience about nine days of precipitation, but September receives less rainfall overall at 48 mm (1.9 in), while June has a higher total of 74 mm (2.9 in). Humidity levels are quite similar, with September at 82% and June slightly lower at 80%. For more specific information on June weather patterns, you can check Shanklin weather in June.

In comparing the weather of September and July, we find notable differences in temperature and humidity. September experiences cooler temperatures, with a minimum of 6°C (44°F) and an average of 16°C (61°F), while July sees warmer conditions, with a minimum of 10°C (50°F) and an average of 19°C (66°F). Precipitation levels are relatively similar, with September receiving 48 mm (1.9 in) over 9 days and July slightly higher at 51 mm (2.0 in) over 11 days. Additionally, September has a higher humidity level at 82%, compared to July's more comfortable 71%. For a deeper look into July's weather specifics, you can check Shanklin weather in July.

In September, the weather becomes cooler as temperatures drop, with minimums reaching 6°C (44°F) and an average of 16°C (61°F), compared to August's warmer minimum of 9°C (49°F) and average of 18°C (64°F). Although September boasts a maximum temperature of 27°C (81°F), it is still slightly lower than August's peak of 30°C (87°F). Precipitation also increases in September with 48 mm (1.9 in) over 9 days, while August experienced 63 mm (2.5 in) across 11 days. Humidity remains relatively high in both months, with September at 82% and August at 76%. For a detailed look at August weather in Shanklin, visit Shanklin weather in August.

September typically offers warmer temperatures, with an average of 16°C (61°F) and highs reaching 27°C (81°F). In contrast, October sees a cooler average of 13°C (56°F) and maximum temperatures of 21°C (70°F). While September experiences 48 mm (1.9 in) of precipitation over about 9 days, October is significantly wetter, with 98 mm (3.9 in) falling over 15 days. Additionally, October's humidity rises to 90%, compared to September's 82%. For more detailed information, you can check Shanklin weather in October.

September generally offers milder weather compared to November, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). In contrast, November sees a significant drop in temperatures, averaging around 9°C (49°F), with minimums plunging to -1°C (31°F) and maximums reaching only 16°C (62°F). Additionally, November experiences increased precipitation, totaling 68 mm (2.7 in) over 12 days, compared to September's 48 mm (1.9 in) over 9 days. The humidity also rises in November, reaching 92% compared to September's 82%. For more details, check out Shanklin weather in November.

September and December present notably different weather patterns. In September, temperatures exhibit a broader range, with minima around 6°C (44°F), averages of 16°C (61°F), and highs reaching up to 27°C (81°F). This month also sees moderate precipitation of 48 mm (1.9 in) over 9 days, combined with relatively high humidity levels of 82%. In contrast, December brings colder weather, where temperatures drop significantly with a minimum of 0°C (32°F), an average of 8°C (47°F), and a maximum of only 15°C (58°F). This month is wetter as well, with total precipitation of 94 mm (3.7 in) spread across 14 days and slightly higher humidity at 92%. For a more detailed look at December weather, visit Shanklin weather in December.

Compare Shanklin's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Shanklin

As summer bids farewell, September in Shanklin brings a delightful transition characterized by milder temperatures and varying humidity levels. With an average of 16°C, the warmth remains enjoyable, but the days start to cool off, especially during the evenings. The month experiences a moderate amount of rainfall spread over nine days, contributing to an overall humidity of 82% that highlights the shift toward autumn. This blend of warmth and occasional showers sets a beautifully picturesque scene, making September a unique time to explore Shanklin's coastal charm. For a detailed overview of Shanklin's evolving weather patterns, visit Shanklin Climate.