Last updated: March 17, 2025
September in Sunningdale, United Kingdom ushers in a temperate transition, marked by a maximum temperature reaching 28°C (83°F) and an average of 15°C (59°F), while the cool nights dip to a refreshing 3°C (38°F). This month typically witnesses around 47 mm (1.8 in) of rainfall spread over approximately 10 days, contributing to an 82% humidity that cloaks the region in a gentle embrace. As the summer warmth lingers, the onset of autumn invites a blend of sunny days and cozy, drizzly evenings – a true reflection of Sunningdale's enchanting weather.
September in Sunningdale heralds the transition from summer's warmth to autumn's cooler embrace. With minimum temperatures averaging around 3°C (38°F), the nights begin to feel crisp, a hint of the coming chill. The average temperature rises to a comfortable 15°C (59°F), while daytime can still be pleasantly warm, peaking at a delightful 28°C (83°F). This month showcases a notable decline from the sizzling highs of July and August, providing a beautiful balance that invites both outdoor activities and cozy evenings. As the leaves start to change, September offers a picturesque setting, perfect for enjoying the last glimpses of summer warmth before the fall settles in.
In September, Sunningdale experiences a moderate shift in its precipitation patterns, with 47 mm (1.8 in) of rainfall spread over 10 days. This marks a decline from the wetter months of summer, particularly August, which had higher precipitation levels of 69 mm (2.7 in). Despite the decreased rainfall, September still contributes to the overall transition into autumn, as the days shorten and the likelihood of showers persists. This gentle tap on Sunningdale’s rainy season reflects the typical British weather, where even as the summer blooms fade, the region maintains its characteristic drizzle, ensuring that the landscape remains lush and vibrant heading into the cooler months.
As September rolls in, Sunningdale's humidity settles at a moderate 82%, reflecting a slight increase from the drier summer months of July and August. This rise indicates a transition towards the wetter conditions typical of autumn, as humidity levels begin to climb back toward the winter averages of 90% and above. Notably, September serves as a bridge, blending the warmth of summer with the cool, damp atmosphere that will dominate in the months ahead. With consistently high humidity throughout the year, ranging from a peak of 91% in January to its lowest of 71% in July, Sunningdale's climate offers a unique experience, deeply influenced by its ever-present moisture.
In September, Sunningdale experiences a UV Index of 6, indicating a high exposure category that suggests a burn time of just 25 minutes for unprotected skin. This marks a slight decrease from the intense summer months of July and August when the UV Index peaked at 8, emphasizing the importance of skin protection during those hot days. As autumn approaches, sunlight intensity gradually declines, but the risk remains significant, encouraging residents and visitors to remain vigilant with sun safety measures. The overall trend throughout the year showcases a clear rise in UV exposure from the nadir in winter months, reaching its peak in mid-summer, before tapering off in the fall. For more detailed information, visit Sunningdale UV Index.
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As summer gracefully transitions into fall, September in Sunningdale offers a delightful balance of sunny days, boasting an impressive 299 hours of sunshine. This month retains high brilliance, following the peak of summer, which saw July shine with 402 hours, the crown jewel of the year. While September’s hours may not rival those of the midsummer months, they still stand out against the cooler, cloudier stretch leading into autumn. The steady decline in sunny hours begins in October, dropping to 241 hours, signaling nature’s gradual retreat into cozy, shorter days. Overall, September encapsulates the lingering warmth of summer while gently ushering in the crispness of the fall season—a perfect time to relish the beautiful landscape of Sunningdale bathed in golden sunlight.
As September rolls into Sunningdale, the likelihood of sunny weather remains moderate, with a 27% chance of sunshine. This marks a slight dip compared to the vibrant 51% of sunny days in April, yet is a subtle improvement over the cooler months earlier in the year. Following the erratic patterns of summer, when peak sunshine chances soar to 37% in July, September's weather hints at a gentle transition towards autumn. The statistics reflect a clear seasonal trend, suggesting that while sunny days become less frequent as the year progresses, early September still holds the promise of pleasant sunshine amidst the approaching chill.
As summer gives way to autumn, September in Sunningdale, United Kingdom, offers a gentle transition with an average of 12 hours of daylight. This month marks a noticeable decline from the sun-drenched days of July and August, which bask in 16 and 14 hours of sunlight respectively. However, September still enjoys a generous amount of daylight compared to the winter months ahead, where daylight dwindles to just 8 hours in November. The gradual decrease in daylight hours reflects the shifting seasons, inviting residents to savor the lingering warmth and vibrant hues of early fall before the longer nights set in.
As September rolls into Sunningdale, the average wind speed dips slightly to 3.3 m/s (7 mph), reflecting the tranquil shift from summer's breezy warmth to early autumn's crispness. This gentle breeze is a continuation of a gradual decline seen throughout the summer months, where July and August also recorded lower speeds at 3.2 m/s and 3.7 m/s respectively. Interestingly, this seasonal shift contrasts with the more robust winds of late winter and spring, where speeds frequently flirt with 4 m/s or more. As the year progresses into October, residents can anticipate a resurgence in wind as speeds climb back to 4.3 m/s, signaling a return to the more energetic gusts that characterize the cooler months. Overall, September's breezy yet calmer ambiance sets the stage for a picturesque autumn in the heart of the UK.
The weather in Sunningdale 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 Sunningdale and find detailed weather information for every month.
September and January present quite contrasting weather conditions. In September, temperatures range from a pleasant minimum of 3°C (38°F) to a warm maximum of 28°C (83°F), with an average of 15°C (59°F). The month sees a total precipitation of 47 mm (1.8 in) over approximately 10 days, and the humidity level hovers around 82%. In contrast, January experiences much colder weather, with minimum temperatures dropping to -5°C (23°F) and an average of only 5°C (41°F), peaking at a maximum of 14°C (58°F). The month records slightly higher precipitation at 51 mm (2.0 in) across about 9 days, coupled with even higher humidity at 91%. For more insights on January weather, visit Sunningdale weather in January.
September and February present notably different weather patterns. September typically enjoys a milder climate with temperatures ranging from a minimum of 3°C (38°F) to a max of 28°C (83°F), averaging around 15°C (59°F). The month brings about 47 mm (1.8 in) of precipitation over around 10 days, along with a relatively lower humidity level of 82%. In contrast, February is much colder, with temperatures dipping down to as low as -7°C (19°F) and averaging around 6°C (43°F), peaking at 18°C (65°F). Precipitation slightly increases to 52 mm (2.0 in), also spread across 10 days, while humidity rises to 89%. Overall, February's chill and increased humidity offer a stark contrast to the warmer days of September. For more details on February's weather, you can visit Sunningdale weather in February.
September and March exhibit distinct weather characteristics that reflect the transition of seasons. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). This month sees relatively lower precipitation, totaling 47 mm (1.8 in) over about 10 days, and a humidity level of 82%. In contrast, March tends to be colder, with temperatures between -6°C (22°F) and 22°C (71°F), averaging around 7°C (45°F). Additionally, March experiences more precipitation, accumulating 58 mm (2.3 in) across 13 days, and has a slightly higher humidity at 86%. For a more detailed look at the weather conditions during this month, you can check out Sunningdale weather in March.
In comparing September and April weather, September generally boasts warmer temperatures, with an average of 15°C (59°F) compared to April's cooler average of 9°C (49°F). While both months experience variability, September can reach a maximum of 28°C (83°F), whereas April peaks at 26°C (80°F). Precipitation is slightly higher in September, totaling 47 mm (1.8 in) over about 10 days, compared to April's 34 mm (1.4 in) across 8 days. Humidity levels are similar, with September at 82% and April slightly higher at 85%. For a closer look at April weather, you can visit Sunningdale weather in April.
In September, the weather tends to be warmer with average temperatures ranging from 15°C (59°F) to a high of 28°C (83°F), while May has a slightly cooler average of 13°C (55°F) and peaks at 26°C (79°F). Both months experience precipitation for about 10 days, but September sees 47 mm (1.8 in) of rain compared to May's 65 mm (2.6 in), making May a bit wetter. Additionally, humidity levels are quite similar, with September at 82% and May at 79%. For more details, you can check Sunningdale weather in May.
When comparing the weather in September and June, several striking differences emerge. September experiences a broader temperature range, with minimums dropping to 3°C (38°F) and maximums reaching up to 28°C (83°F), leading to an average temperature around 15°C (59°F). In contrast, June starts warmer, with a minimum of 7°C (44°F) and a maximum of 31°C (88°F), resulting in an average of 16°C (62°F). Precipitation is also noteworthy; June sees higher rainfall at 75 mm (2.9 in) compared to September's 47 mm (1.8 in), although both months feature about 10 days of rain. Humidity levels are quite similar, with September at 82% and June slightly lower at 80%. For more insights on June weather, check out Sunningdale weather in June.
In comparing the weather between September and July, we see notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum of 28°C (83°F), while July boasts a warmer range, with minimums of 8°C (47°F), averages of 18°C (65°F), and highs reaching 35°C (96°F). Precipitation levels also differ, as September sees 47 mm (1.8 in) over 10 days, compared to July's 66 mm (2.6 in) over 11 days. Additionally, humidity is higher in September at 82%, compared to 71% in July. For more insights on July's weather, check out Sunningdale weather in July.
In comparing the weather between September and August, September presents cooler temperatures overall, with a minimum of 3°C (38°F) and an average of 15°C (59°F), while August has a higher minimum of 8°C (46°F) and an average temperature of 17°C (64°F). The maximum temperature in August can reach as high as 33°C (92°F), significantly warmer than September’s maximum of 28°C (83°F). Both months experience notable precipitation, with September receiving 47 mm (1.8 in) over 10 days, compared to August's 69 mm (2.7 in) over 12 days. Additionally, September has a higher humidity of 82%, just above August's 76%. For more detailed information about August weather, you can visit Sunningdale weather in August.
September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F), making it a relatively mild month. However, October cools down further, with temperatures dipping to a minimum of 1°C (34°F) and peaking at 23°C (73°F), averaging around 12°C (53°F). Furthermore, October experiences significantly higher precipitation, with 92 mm (3.6 in) over 12 days, compared to September’s 47 mm (1.8 in) over 10 days. Humidity also rises in October, reaching 90% compared to September's 82%. For a more detailed look at October weather in the area, visit Sunningdale weather in October.
In September, the weather offers a broader temperature range with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), resulting in a comfortable average of 15°C (59°F). The month typically sees 47 mm (1.8 in) of precipitation over about 10 days, with humidity at 82%. By contrast, November brings a significant drop in temperatures, with a minimum of -2°C (29°F) and a cooler average of 8°C (46°F), peaking at 16°C (62°F). Additionally, November experiences slightly more rain, totaling 54 mm (2.1 in) over approximately 11 days, while humidity increases to 92%. For more specifics on November weather, check out Sunningdale weather in November.
In September, the weather is generally milder with average temperatures around 15°C (59°F), while reaching a maximum of 28°C (83°F) on warmer days. Rainfall is moderate, with about 47 mm (1.8 in) and precipitation occurring over 10 days, accompanied by an 82% humidity level. In contrast, December brings much colder conditions, with average temperatures dropping to around 6°C (44°F) and maximums of only 14°C (58°F). The month also sees increased precipitation at 83 mm (3.2 in) over 15 days, and humidity levels rise to 92%. For more details on December weather, check out Sunningdale weather in December.
As September unfolds in Sunningdale, the transition from summer to autumn is palpable. The weather offers a delightful mix, with warm days occasionally reaching up to 28°C and cooler evenings dipping to around 3°C. The relatively high humidity at 82% and the 47 mm of precipitation over ten days remind us that this month often brings varying conditions, making it distinct from the dry heat of summer months and the chill that follows in winter. For those wanting to explore the nuances of Sunningdale's weather throughout the year, the details are captured in depth at Sunningdale Climate.