Last updated: March 17, 2025
In September, Hammersmith, United Kingdom experiences a visual tapestry of weather changes, where temperatures range from a refreshing minimum of 4°C (39°F) to a warm maximum of 28°C (83°F). The average temperature settles at a comfortable 15°C (59°F), creating pleasant conditions for both residents and visitors. With a humidity level of 82%, the air often feels rich and crisp, while precipitation accumulates to 45 mm (1.8 in) over 10 days of the month, sprinkling occasional rain showers that nurture the lush landscapes. This blend of temperatures and moisture contributes to the characteristic charm of early autumn in Hammersmith, inviting exploration and enjoyment of its seasonal beauty.
As September unfolds in Hammersmith, the transition from summer to autumn is palpable, with temperatures beginning to cool. The month starts with a gentle embrace of warmth, offering a minimum of 4°C (39°F) and peaking at a comfortable 28°C (83°F). The average temperature hovers around 15°C (59°F), making it a pleasant time for outdoor activities before the crispness of fall sets in. This gradual decrease in warmth marks a notable shift from the sweltering heights of summer, where July and August soared to maxima of 36°C (96°F) and 34°C (93°F), respectively. September's weather invites locals and visitors alike to enjoy the lingering warmth while preparing for the cooler days ahead, embodying the essence of change that this month represents.
In September, Hammersmith experiences a notable shift in its precipitation patterns, with an average rainfall of 45 mm (1.8 in) spread over 10 days. This represents a decrease compared to the more abundant summer months, such as August, which saw 70 mm (2.7 in) of rain over 12 days. As the season transitions to autumn, there is a clear decline in both the amount and frequency of precipitation, suggesting a brief reprieve from the persistent showers that characterize other months like October, where rainfall jumps to 84 mm (3.3 in). This trend highlights September as a transitional month—offering a mix of mild weather and occasional rain, making it a picturesque time to enjoy Hammersmith's outdoor spaces before the heavier rains of fall settle in.
As September rolls in Hammersmith, the humidity settles at 82%, reflecting a notable uptick after the typically drier summer months of July and August, which recorded 71% and 76% respectively. This transitional period marks a shift from the comfortable warmth of summer to the cooler embrace of autumn. While September's humidity is lower than the wintry peaks of 90% in October and 92% in November and December, it still signifies the gradual return to the more humid conditions characteristic of the fall and winter seasons. Overall, the humidity trend in Hammersmith paints a picture of a lush, green landscape that thrives under a canopy of moist air as the year progresses toward its wetter months.
As September arrives in Hammersmith, the UV Index shows a significant drop from the peak of summer, settling at 6, which places it in the high exposure category. This means residents and visitors can expect a burn time of around 25 minutes if unprotected. While still requiring caution, September's UV levels are a welcome relief compared to the intense very high readings of July and August. As the days grow shorter, it's important to remain mindful of sun safety, especially during the midday hours. For a comprehensive understanding of the UV trends throughout the year, check out the detailed information at Hammersmith UV Index.
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As summer gracefully yields to autumn, September in Hammersmith shines with a generous 300 hours of sunlight, a delightful bridge from the vibrant warmth of July and August. This month typically enjoys significant daylight, falling just below June's peak at 389 hours. Following a steady climb from 98 hours in January, the city's exposure to sunshine reaches its zenith mid-year, painting a picture of a sun-kissed landscape that subtly transitions into the cooler months. As daylight begins to wane into October's 241 hours, September stands out as a golden opportunity to relish the lingering warmth, setting the stage for the crisp, autumnal air that awaits. The trend showcases not just a seasonal shift, but a beautiful narrative of nature's rhythm, inviting Hammersmith’s residents to bask in the glowing embrace of early fall.
When considering the likelihood of sunny weather in September in Hammersmith, the statistics reveal an interesting trend. With a 29% chance of sun, September stands out as a month where sunny days are somewhat common, particularly when compared to January and the winter months. While this percentage is a dip from the more promising springtime figures, particularly April's 49%, it aligns more closely with the sun probabilities seen in late summer. This consistent chance of sunlight in September suggests a pleasant transition into autumn, giving residents and visitors alike hopeful moments to enjoy the outdoors before the clouds settle in for winter.
As September unfolds in Hammersmith, daylight begins to wane, offering about 12 hours of light each day. This month marks a gentle transition from the long, sun-drenched days of June and July, which boast a peak of 16 hours, to the more subdued illumination of autumn. Following the vibrant brightness of May and August, September presents a harmonious balance, bridging the warmth of summer and the chill of fall. With daylight gradually receding in the coming months, this is a time to savor the lingering sunshine before the 10 hours of light in October lead us further into the darker season. The shift reminds us that even as the days grow shorter, each hour of light still holds its own unique charm.
As September unfolds in Hammersmith, the average wind speed settles at a gentle 3.3 m/s (7 mph), creating a calm yet refreshing atmosphere that perfectly complements the transition into autumn. This marks a subtle decline from the breezy summer months, where winds hovered around 3.8 m/s in August, and reflects a seasonal trend of decreasing wind speeds as the year progresses. Historically, September has consistently maintained lower wind speeds compared to the spring months, emphasizing the shift from the energetic breezes of early spring, which peak in April at 3.5 m/s, to the more tranquil conditions of fall. This gradual decrease invites residents to enjoy the cool, crisp air, making it an ideal time for leisurely strolls along the Thames.
The weather in Hammersmith 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 Hammersmith and find detailed weather information for every month.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging 15°C (59°F). With a relatively moderate precipitation of 45 mm (1.8 in) over about 10 days, the humidity level is around 82%. In contrast, January delivers a much colder experience, with temperatures dipping down to -5°C (24°F) and only reaching a maximum of 14°C (58°F), averaging 5°C (41°F). January sees slightly higher precipitation at 54 mm (2.1 in) over the same number of days, while humidity rises to 91%. For more detailed weather insights, check out Hammersmith weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a cool 4°C (39°F) at night to a warm average of 15°C (59°F), peaking at a comfortable 28°C (83°F) during the day. The month sees about 45 mm (1.8 in) of precipitation over 10 days, accompanied by a humidity level of 82%. In contrast, February is marked by much colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F). Maximum temperatures reach up to 18°C (65°F), and precipitation is slightly higher at 53 mm (2.1 in) over 11 days, along with increased humidity at 89%. For more specific information about February weather, you can check Hammersmith weather in February.
When comparing the weather in September and March, notable differences emerge in both temperature and precipitation patterns. September typically boasts warmer temperatures, with average highs reaching 28°C (83°F) compared to March’s maximum of 22°C (71°F). Additionally, September's average temperature sits at a comfortable 15°C (59°F), while March lags behind at 7°C (46°F). Precipitation is slightly higher in March, with 54 mm (2.1 in) spread over 13 days, versus September's 45 mm (1.8 in) over 10 days. Humidity levels are similar, with September at 82% and March slightly higher at 86%. For more detailed insights, check out Hammersmith weather in March.
In comparing the weather of September and April, April tends to be cooler, with average temperatures ranging from a chilly -2°C (29°F) to a pleasant 26°C (80°F), while September offers a broader range, with temperatures from 4°C (39°F) to a warm 28°C (83°F). Precipitation in April is slightly lower at 33 mm (1.3 inches) over about 8 days, compared to September's 45 mm (1.8 inches) over 10 days. Humidity levels are similar, with April at 85% and September at 82%. For more detailed information on April weather, you can visit Hammersmith weather in April.
September generally offers warmer temperatures compared to May, with average highs reaching 28°C (83°F) and lows around 4°C (39°F), while May sees maximum temperatures of 25°C (78°F) and minimums of 1°C (35°F). Precipitation is slightly less in September, totaling 45 mm (1.8 in) over about 10 days, compared to May's 62 mm (2.5 in) spread over 11 days. Additionally, September’s humidity is marginally higher at 82%, compared to May’s 79%, contributing to a generally more comfortable feel in May. For a more detailed look at May’s weather patterns, check out Hammersmith weather in May.
September weather is marked by a wider temperature range, with minimums dipping to 4°C (39°F) and maximums reaching up to 28°C (83°F), while the average temperature is around 15°C (59°F). In contrast, June offers warmer conditions, featuring a minimum temperature of 7°C (45°F) and a maximum of 31°C (89°F), with an average of 16°C (62°F). Although September experiences slightly less precipitation at 45 mm (1.8 in) over 10 days, June has higher rainfall totals of 77 mm (3.0 in) in just 9 days. Humidity levels are comparable, with September at 82% and June slightly lower at 80%. For more detailed insights, you can refer to Hammersmith weather in June.
In comparing the weather between September and July, September tends to be cooler with a temperature range from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). In contrast, July is warmer, featuring a minimum of 9°C (49°F) and soaring temperatures reaching up to 36°C (96°F), with an average temperature of 18°C (65°F). Additionally, July experiences higher precipitation levels at 64 mm (2.5 in) over 11 days, while September sees 45 mm (1.8 in) of rainfall across 10 days. Humidity is notably higher in September at 82%, compared to 71% in July. For a more detailed look at July weather, you can visit Hammersmith weather in July.
September experiences cooler temperatures compared to August, with a minimum of 4°C (39°F) and an average of 15°C (59°F), whereas August sees a minimum of 8°C (47°F) and an average of 18°C (64°F). The maximum temperatures in September reach 28°C (83°F), significantly lower than August's peak of 34°C (93°F). Precipitation is more frequent in August, totaling 70 mm (2.7 in) over 12 days, compared to 45 mm (1.8 in) over 10 days in September. Humidity is also slightly higher in September at 82%, while August maintains a relatively lower level at 76%. For more detailed information, you can visit Hammersmith weather in August.
In September, the weather is relatively warm with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). The month experiences about 45 mm (1.8 in) of precipitation over 10 days, with humidity levels at 82%. In contrast, October brings cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 22°C (73°F), averaging 12°C (54°F). It's also a wetter month, with precipitation rising to 84 mm (3.3 in) over 12 days and increased humidity at 90%. For more specific information on October weather, you can check Hammersmith weather in October.
When comparing the weather in September and November, a noticeable shift in temperatures and conditions is evident. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). This month typically experiences lower precipitation at 45 mm (1.8 in) over about 10 days, alongside a humidity level of 82%. In contrast, November brings cooler temperatures, with a minimum dipping to -2°C (29°F) and a maximum of 16°C (62°F), resulting in an average of just 8°C (47°F). The month is slightly wetter, with precipitation amounting to 52 mm (2.0 in) spread over 11 days, and a higher humidity of 92%. For more detailed weather insights, you can explore Hammersmith weather in November.
In September, the weather is relatively mild, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The month experiences about 45 mm (1.8 in) of precipitation across approximately 10 days, alongside a humidity level of 82%. In contrast, December brings a notable drop in temperature, with minimums reaching -4°C (24°F) and maximums at just 14°C (58°F), averaging around 6°C (44°F). Precipitation increases to 84 mm (3.3 in) over 13 days, and humidity rises slightly to 92%. For more detailed information, check out Hammersmith weather in December.
As September transitions from summer to autumn, Hammersmith experiences a notable shift in weather patterns. The warmth of summer lingers with maximum temperatures reaching up to 28°C (83°F), but an average of 15°C (59°F) highlights the cooling trend. The rainy days increase, with approximately 10 days experiencing precipitation, leading to a humidity level of 82% that can make the air feel heavier. Compared to the preceding months, these changes mark a distinct turning point, as nature prepares for the crispness of fall. For a deeper understanding of how Hammersmith’s weather evolves throughout the year, check out the detailed insights on Hammersmith Climate.