September Weather in Polperro, United Kingdom

Last updated: March 17, 2025

September weather in Polperro, United Kingdom, offers a delightful mix of mild temperatures and refreshing coastal breezes. With a maximum temperature of 21°C (70°F) and an average of 15°C (60°F), the month provides a comfortable climate for outdoor exploration. While the minimum temperature dips to 10°C (50°F), it is balanced by an average humidity of 79%, enhancing the invigorating atmosphere. However, visitors should be prepared for rain, as the region experiences 77 mm (3.0 in) of precipitation over approximately 12 days. This whimsical weather pattern creates a captivating backdrop for enjoying the scenic beauty and vibrant charm of Polperro.

September Temperature in Polperro

As September rolls into Polperro, the air begins to cool down after the warmth of summer. This transition is marked by a minimum temperature of 10°C (50°F), rising to an average of 15°C (60°F), and peaking at a comfortable 21°C (70°F). Compared to the warmer months of July and August, where temperatures linger in the low 20s, September offers a refreshing shift that still holds onto a hint of summer—making it an inviting time for visitors who enjoy mild weather. The gradual descent in temperatures signals the beginning of autumn, gently paving the way for crisper days ahead while still allowing for pleasant outdoor exploration in this picturesque coastal village.

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

The chart illustrates September temperature patterns in Polperro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464747505459626260565149
Data source: Temperature data for Polperro 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 Polperro

In September, Polperro experiences a moderate level of precipitation, with an average of 77 mm (3.0 in) over approximately 12 rainy days. This marks a slight decrease compared to the wetter summer months of July and August, which saw similar rainfall amounts but more frequent showers. The trend indicates that as summer fades, the rainfall begins to stabilize, transitioning towards the typically wetter autumn months ahead. Notably, October and November will see a sharp increase in both precipitation levels and the number of rainy days, suggesting that September serves as a gentle prelude to the more intense rainfall that characterizes the fall season in this charming coastal village.

September Precipitation Trends in Polperro

The chart displays monthly precipitation patterns in Polperro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7910496508083778077137117143
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Polperro

In September, Polperro experiences a notable shift in humidity, averaging around 79%. This marks a slight increase from the summer months, where July and August exhibited lower humidity levels of 70% and 73%, respectively. As the vibrant warmth of summer fades, the gradual rise in humidity hints at the approaching autumn, leading into the wetter months ahead. Overall, Polperro’s humidity levels remain relatively high throughout the year, peaking again in the fall and winter, showcasing the region's maritime climate that often brings moisture-laden air. This autumn transition is beautifully reflected in the way the surrounding landscapes begin to absorb the gentle moisture, preparing for the lush greenery that follows.

September Average Humidity in Polperro

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

As summer fades into autumn, September in Polperro, United Kingdom, offers a UV Index of 6, categorizing it as high exposure, with a burn time of just 25 minutes for fair-skinned individuals. This reflects a slight decrease from the peak of June's UV Index of 9 but maintains a level that necessitates precautions when basking in the warm sunshine. The trend shows that while the sun's intensity is diminishing compared to the height of summer, it's still crucial to remain vigilant about sun safety. Embrace the pleasant weather, but remember to apply sunscreen and wear protective clothing. For more information on this month's UV trends, check out Polperro UV Index.

Maximum UV Index Levels in Polperro for September

The chart shows the monthly maximum UV Index (UVI) for Polperro 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.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Polperro 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 Polperro

September in Polperro, United Kingdom, is a delightful transition into autumn, boasting 330 hours of sunshine—a remarkable highlight among the year's weather patterns. As the summer months draw to a close, this figure reflects a decline from the peak of 428 hours in July, yet it remains considerably above the winter months, which average around 155 hours in November and a mere 121 hours in December. The sunny days of September offer a warm farewell to summer, inviting visitors to enjoy the picturesque coastal village before the season shifts. Although September might see fewer sunlight hours compared to August's 392, it still holds its ground as a vibrant month for exploration, with pleasant weather and stunning scenery, making it an ideal time for those looking to relish the beauty of Polperro.

Monthly Sunshine Duration in Polperro: September Highlighted

The September sunshine duration represents the total number of hours Polperro 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h160h234h358h410h408h428h392h330h262h155h121h
Data source: Polperro September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Polperro During September

As summer wanes, September in Polperro shows a 35% chance of sunny weather, aligning closely with the more variable summer months like May and August. While it’s a drop from the more promising April peak of 54%, September still holds onto a decent likelihood of sunshine, suggesting that there are ample opportunities to enjoy the tail end of the warm season. This month reflects a subtle transition as days gradually shorten and temperatures cool, yet it promises occasional sunny breaks that can still brighten up your visit, making it a charming time to explore this picturesque coastal village.

Percentage of Sunny Days in September in Polperro

The chart illustrates the percentage of sunny days in Polperro 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 Polperro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%25%35%55%35%29%39%31%35%27%27%19%
Data source: Polperro September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Polperro in September

As September unfolds in Polperro, United Kingdom, the days begin to grow shorter, offering about 12 hours of daylight. This marks a gradual decline from the long summer days of June, which boast up to 16 hours of sunlight. Following the vibrant warmth of August with its 14 hours of brightness, September serves as a gentle transition into the autumn months. The daylight can still feel generous compared to the chillier months ahead, yet it hints at the cozy days of October and November, when sunlight dwindles to just 10 hours and then 8 hours, respectively. This rhythmic shift not only reflects the changing seasons but also invites residents and visitors alike to savor the lingering daylight before it retreats for winter.

Average Daylight Hours in Polperro for September

The chart illustrates the variation in daylight duration in Polperro throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 34m10h 3m11h 55m13h 49m15h 28m16h 19m15h 52m14h 23m12h 33m10h 40m8h 59m8h 5m
Data source: Polperro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Polperro

As September arrives in Polperro, the coastal winds begin to settle into a gentle rhythm, with an average speed of 5.0 m/s (11 mph). This light breeze marks a transition from the summer months, where higher winds were common, particularly in February when gusts peaked at 8.1 m/s (18 mph). Following a gradual decline through the warmer months, September's winds remain relatively calm, echoing April's serene gusts of 5.3 m/s (12 mph). As the year progresses, October brings a slight uptick in wind speed to 6.4 m/s (14 mph), hinting at the more dynamic weather conditions typical of autumn. Overall, September in Polperro offers a tranquil maritime experience, perfectly suited for leisurely strolls along the stunning coast while embracing the subtle shifts of the season.

Average September Wind Speed in Polperro

The chart displays monthly wind speed patterns in Polperro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.08.16.35.36.64.35.05.25.0 m/s6.45.78.0
Data source: Polperro September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Polperro Compares to Other Months

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

In comparing the weather of September and January, September typically offers milder temperatures with an average of 15°C (60°F), peaking at 21°C (70°F), whereas January sees cooler averages at around 8°C (47°F) and a maximum of 14°C (57°F). Both months experience similar precipitation levels, with September recording 77 mm (3.0 in) and January slightly higher at 79 mm (3.1 in), spread across about 12 days. Humidity is noticeably higher in January at 88%, compared to September's 79%, contributing to a more damp and chilly atmosphere during the winter month. For a detailed look at January's weather, you can visit Polperro weather in January.

In comparing the weather between September and February, September tends to be milder, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F). In contrast, February sees cooler temperatures, with daily averages between -1°C (31°F) and 13°C (55°F). Both months experience notable precipitation, but February is wetter, receiving 104 mm (4.1 in) over 15 days compared to September's 77 mm (3.0 in) over 12 days. Additionally, February's humidity is higher, averaging at 88% compared to September’s 79%. For a detailed look at February weather in Polperro, check out Polperro weather in February.

In comparing the weather patterns of September and March, it is clear that September typically enjoys milder temperatures, with an average of 15°C (60°F) and a maximum reaching up to 21°C (70°F). In contrast, March experiences much cooler temperatures, averaging around 8°C (48°F) and peaking at only 13°C (57°F). Additionally, while both months receive a similar amount of precipitation, March tends to have slightly higher rainfall at 96 mm (3.8 in) over 15 days compared to September's 77 mm (3.0 in) over 12 days. The humidity levels also differ, with March being more humid at 86% versus September’s 79%. For more detailed insights into specific weather conditions during this time, you can visit Polperro weather in March.

When comparing the weather in September and April, September tends to be milder and more temperate. The average temperature in September is around 15°C (60°F), with highs reaching up to 21°C (70°F), while April sees a cooler average of 10°C (50°F) and maximum temperatures of only 17°C (62°F). Moreover, September experiences more rainfall, accumulating about 77 mm (3.0 in) over approximately 12 days, compared to April's 50 mm (2.0 in) over 8 days. Additionally, the humidity is slightly lower in September at 79%, compared to 84% in April. For a detailed look at April’s weather, you can visit Polperro weather in April.

In comparing the weather between September and May, September tends to be slightly warmer with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), whereas May experiences cooler temperatures, with averages from 6°C (42°F) to 19°C (66°F). Both months see a similar level of precipitation, with September having 77 mm over 12 days and May recording 80 mm over just 11 days. Humidity levels are comparable as well, with September at 79% and May slightly higher at 80%. For a closer look at May's specific weather conditions, you can visit Polperro weather in May.

In comparing the weather of September and June, both months exhibit similar temperature ranges, with minimums around 10°C (50°F) and average temperatures hovering around 15°C (59-60°F). However, September can see a slightly cooler maximum temperature of 21°C (70°F) compared to June's peak of 22°C (72°F). Precipitation levels are also comparable, with September receiving 77 mm (3.0 in) over 12 days and June having just a bit more at 83 mm (3.3 in) across 13 days. Humidity levels remain consistent in both months, averaging around 79-80%. For a more detailed exploration of June's weather, you can check out Polperro weather in June.

In comparing the weather between September and July, we observe that September tends to be slightly cooler, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F), while July's temperatures are a bit warmer, with averages between 11°C (53°F) and 23°C (74°F). Interestingly, both months record similar precipitation levels, with 77 mm (3.0 in) falling over 12 days in September compared to 11 days in July. September also has a higher humidity level at 79%, compared to July's 70%, making the latter feel somewhat fresher. For more detailed information, you can check Polperro weather in July.

In comparing the weather between August and September, we notice a slight cooling trend as September's average temperature dips to 15°C (60°F), compared to August's warmer 17°C (62°F). Additionally, September experiences a lower minimum temperature of 10°C (50°F) compared to August's minimum of 12°C (55°F). Both months see about the same precipitation, with September receiving 77 mm (3.0 in) across 12 days and August slightly higher at 80 mm (3.1 in) over 13 days. Humidity levels are also higher in September at 79%, compared to August's 73%. For a more detailed look at the weather patterns, check out Polperro weather in August.

In comparing the weather between September and October, it's evident that October brings a notable shift towards cooler temperatures and increased precipitation. September typically features a mild average temperature of 15°C (60°F), with highs reaching 21°C (70°F), while October sees a drop in the average to 13°C (56°F) and maximums of 19°C (66°F). Furthermore, October experiences significantly more rainfall, with 137 mm (5.4 in) over 17 days, compared to the 77 mm (3.0 in) over 12 days in September. The humidity also rises in October to 89%, up from 79% in September. For more details on what to expect, check out the Polperro weather in October.

September weather tends to be milder, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 21°C (70°F). This month experiences about 77 mm (3.0 in) of rainfall across approximately 12 days, and humidity levels sit at 79%. In contrast, November brings noticeably cooler temperatures, with averages dropping to a minimum of 4°C (40°F) and a maximum of 16°C (60°F). Precipitation also increases in November, with 117 mm (4.6 in) occurring over about 17 days, and humidity rising to 90%. For more detailed information on November weather, you can check Polperro weather in November.

September and December present quite a contrast in weather. While September enjoys milder temperatures, with a minimum of 10°C (50°F), an average of 15°C (60°F), and a maximum of 21°C (70°F), December is cooler, with temperatures dipping to a minimum of 4°C (39°F) and averaging just 9°C (49°F). Additionally, December experiences significantly more precipitation, totaling 143 mm (5.6 in) over 20 days, compared to September's 77 mm (3.0 in) over 12 days. Humidity levels also rise in December, reaching 89% compared to September's 79%. For more information on the December climate, you can check Polperro weather in December.

Compare Polperro's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Polperro

As September rolls into Polperro, the weather begins to transition, offering a delightful blend of warmth and refreshingly cool breezes. With daily highs reaching a comfortable 21°C (70°F) and an average of 15°C (60°F), it’s a pleasant month to explore the charming village and its stunning coastline. While the humidity remains relatively high at 79%, the increased likelihood of rainfall—tallying 12 days and approximately 77 mm of precipitation—brings a lush vibrancy to the landscape. Compared to the sunnier summer months, September invites visitors to enjoy both the lingering warmth and the soothing arrival of autumn, making it a unique time for travel. For a deeper dive into Polperro’s overall climate patterns, check out Polperro Climate.