September Weather in Bow Street, United Kingdom

Last updated: March 17, 2025

September in Bow Street, United Kingdom, presents a captivating blend of weather experiences. With maximum temperatures reaching a warm 28°C (82°F) and an average of 14°C (57°F), it’s a month that showcases the onset of autumn while still embracing late summer warmth. Nights can dip to a brisk 2°C (36°F), reminding residents of the changing season. Rainfall is prominent, with 115 mm (4.5 in) of precipitation over 16 days, contributing to the region's lush greenery. A noteworthy humidity level of 85% adds a touch of moisture to the air, creating a unique atmosphere that characterizes Bow Street in September.

September Temperature in Bow Street

As September unfolds in Bow Street, the transition from the warmth of summer to the chill of autumn is palpable. Temperatures exhibit a significant range, with lows dipping to 2°C (36°F) and averages hovering around 14°C (57°F), marking a clear shift from the previous months. The daytime can still feel quite pleasant, peaking at a maximum of 28°C (82°F), allowing for lingering moments outdoors before the cooler months set in. This month's temperature profile not only underscores the gradual cooling trend typical of the season, but also offers a delightful mix of early autumn warmth, making it an ideal time to enjoy the scenic beauty of the region.

September Weather in Bow Street: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bow Street, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344485358616056524644
Data source: Temperature data for Bow Street 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 Bow Street

In September, Bow Street experiences a notable uptick in precipitation, with 115 mm (4.5 in) of rainfall recorded over 16 days. This volume reflects a shift from the drier summer months of June and July, where rainfall averaged around 96 mm and 89 mm, respectively. Interestingly, September's precipitation is also higher than the preceding months of May and April, suggesting the onset of the wetter autumn season. As a contrast, the month prepares the region for October's even heavier rainfall, which averages 149 mm. The transition into fall is highlighted not only by the increased rainfall but also by the growing number of wet days, painting a vivid picture of Bow Street's shifting climate as summer gives way to the more temperate and unpredictable weather of autumn.

September Precipitation Trends in Bow Street

The chart displays monthly precipitation patterns in Bow Street, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9613312860849689131115149133160
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bow Street

As summer transitions to autumn in Bow Street, September brings a noticeable increase in humidity, settling at 85%. This is a slight rise from the preceding months of July and August, which experienced lower humidity levels of 78% and 79%, respectively. It's a time when the balmy warmth of summer starts to fade, but the air remains notably damp—hinting at the approaching wet season. The higher humidity in September sets the stage for the even more humid months ahead, with October and November often peaking at 90% and 91%, respectively. Despite the decline from the highest levels observed in early winter, September's humidity reflects the shifting patterns of Bow Street's climate, encapsulating a brief transitional phase before the chill of winter sets in.

September Average Humidity in Bow Street

This chart illustrates the average monthly humidity levels in Bow Street, 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%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bow Street

As September rolls into Bow Street, the UV Index shows a notable drop from the height of summer, settling at 6, which falls into the high exposure category. This marks a slight decline from August's index of 7, yet it's still crucial to be mindful of sun exposure, with an average burn time of just 25 minutes for fair-skinned individuals. Throughout the year, we've observed a clear trend: the UV Index peaks during the summer months, soaring to a maximum of 8 in both June and July, before gradually tapering off as autumn approaches. With the UV levels still elevated in September, it's wise to protect your skin while enjoying the early fall sunshine. For more detailed insights, visit Bow Street UV Index.

Maximum UV Index Levels in Bow Street for September

The chart shows the monthly maximum UV Index (UVI) for Bow Street 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: Bow Street 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 Bow Street

September in Bow Street, United Kingdom, basks in 309 hours of sunshine, offering a delightful interlude before the clouds of autumn fully settle in. This month showcases a significant dip from the summer peak in July, which recorded 417 hours, but still maintains the vibrancy seen in August with 377 hours. As the year progresses, sunshine hours gradually decline, dropping sharply to 234 hours in October and plummeting further to 124 hours in November. The sunlight trend reflects the natural rhythm of the seasons, providing a bright transition that encourages outdoor activities while hinting at the cozy months ahead. Overall, September serves as a beautiful bridge, reminding us to savor the last golden rays before winter's approach.

Monthly Sunshine Duration in Bow Street: September Highlighted

The September sunshine duration represents the total number of hours Bow Street 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.
JanFebMarAprMayJunJulAugSepOctNovDec92h149h217h328h405h396h417h377h309h234h124h102h
Data source: Bow Street September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bow Street During September

In Bow Street, the likelihood of sunny weather sees a notable dip as summer transitions to autumn, with September offering a 22% chance of sun. This figure reflects a slight decrease from the peak sun-filled months of April and July, which boast chances of 50% and 37%, respectively. Coming off the heels of a fairly cloudy August, September’s weather can be unpredictable, reminding us that while the days may be getting shorter, there's still the possibility for pleasant sunny spells. As the year progresses toward winter, the overall trend shows decreasing opportunities for sunshine, with October dropping to 16%, reinforcing the notion that September is one of the last chances for genuine sunny days before winter's gray sets in.

Percentage of Sunny Days in September in Bow Street

The chart illustrates the percentage of sunny days in Bow Street 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 Bow Street experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%21%26%50%29%23%37%25%22%16%23%17%
Data source: Bow Street September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bow Street in September

As September unfolds in Bow Street, the daylight hours begin their gentle descent, offering about 12 hours of sunlight each day. This month marks a transition from the peak of summer, where daylight soared to a remarkable 16 hours in June and July. The gradual decline signals the approach of autumn, as the verdant landscapes of summer start to prepare for the cooler months ahead. With the days becoming noticeably shorter than the 14 hours enjoyed in August, September invites a more reflective mood, blending the lingering warmth of late summer with the crisp promise of fall. As daylight wanes in the coming months, the cozy embrace of autumn will soon envelop Bow Street, foreshadowing the shorter days of October and November.

Average Daylight Hours in Bow Street for September

The chart illustrates the variation in daylight duration in Bow Street throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 15m9h 54m11h 54m13h 58m15h 46m16h 43m16h 12m14h 35m12h 35m10h 33m8h 43m7h 44m
Data source: Bow Street daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bow Street

As summer gives way to autumn in Bow Street, September greets residents with a gentle breeze, reflected in the average wind speed of 2.9 m/s (7 mph). This marks a slight decrease from the more spirited gusts of the previous months, highlighting a gradual transition that starts in July when winds begin to mellow. The trend of lower wind speeds continues into September from a peak in February at 5.2 m/s (12 mph), suggesting a shift towards the calmer, cooler days ahead. In this season of change, September's winds whisper promises of the vibrant foliage and crisp air that will soon envelop the UK.

Average September Wind Speed in Bow Street

The chart displays monthly wind speed patterns in Bow Street, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.15.24.33.13.73.02.53.42.9 m/s4.53.84.6
Data source: Bow Street September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bow Street Compares to Other Months

The weather in Bow Street 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 Bow Street and find detailed weather information for every month.

In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (82°F), with an average of 14°C (57°F). The month experiences significant rainfall, totaling 115 mm (4.5 in) over approximately 16 days, while humidity levels hover around 85%. In contrast, January presents a much cooler climate, with temperatures dipping to a minimum of -4°C (26°F) and maxing out at 13°C (56°F), averaging around 5°C (42°F). While January receives slightly less precipitation at 96 mm (3.8 in) over 13 days, humidity is slightly higher at 89%. For more detailed information, visit Bow Street weather in January.

When comparing the weather in September to that of February, notable differences emerge. In September, temperatures range from a cooler 2°C (36°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). Humidity is relatively high at 85%, and precipitation occurs on about 16 days, totaling 115 mm (4.5 in). In contrast, February experiences much colder temperatures, with a minimum of -5°C (23°F) and a maximum of 18°C (65°F), averaging around 6°C (43°F). This month also sees slightly higher rainfall, with 133 mm (5.2 in) over 17 days and a humidity level of 88%. For a more detailed overview of the February climate, you can check Bow Street weather in February. Overall, February tends to be chillier and wetter compared to the more temperate and drier September.

September and March present contrasting weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). The month sees considerable rainfall, totaling 115 mm (4.5 in) over approximately 16 days and an overall humidity of 85%. In contrast, March is cooler, with temperatures dipping as low as -6°C (21°F) and reaching a maximum of 19°C (67°F), averaging around 7°C (44°F). The precipitation is slightly higher at 128 mm (5.0 in), distributed over 18 days, and the humidity is marginally higher at 86%. For more detailed insights on weather during this month, you can check Bow Street weather in March.

In comparing the weather of September and April, notable differences emerge. September tends to be warmer, with average temperatures reaching 14°C (57°F) and maximums climbing to 28°C (82°F), while April's averages are cooler at 9°C (48°F), with maximums of 22°C (72°F). Despite both months experiencing relatively high humidity, September is slightly more humid at 85% compared to April's 84%. Furthermore, September sees a significantly higher amount of precipitation, totaling 115 mm (4.5 inches) over 16 days, in contrast to April, which has only 60 mm (2.3 inches) over 11 days. For more detailed insights into April's weather, you can visit Bow Street weather in April.

September and May offer distinct weather patterns, showcasing the transition from the warmth of summer to the coolness of autumn. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (82°F), averaging around 14°C (57°F). This month experiences higher humidity at 85% and significant precipitation, with about 115 mm (4.5 in) falling over 16 days. In contrast, May features milder conditions, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 27°C (80°F), and an average temperature of 11°C (53°F). Rainfall is also less prevalent in May, totaling 84 mm (3.3 in) over 13 days and accompanied by lower humidity at 79%. For more detailed information, you can check Bow Street weather in May.

In comparing the weather of September and June, we see notable similarities and differences. September experiences a wider temperature range, with minimums dropping to 2°C (36°F) and maximums soaring to 28°C (82°F), while June maintains slightly higher minimums at 5°C (41°F) and a peak of 29°C (84°F). Both months share an average temperature close to 14-15°C (57-59°F) and record approximately 16 days of precipitation, but September sees a higher total rainfall of 115 mm (4.5 in) compared to June’s 96 mm (3.8 in). Humidity levels are also slightly elevated in September at 85%, compared to June's 81%. For a detailed look at June weather, you can explore Bow Street weather in June.

When comparing the weather in September and July, one can observe some notable differences. September tends to have a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 28°C (82°F), while July’s temperatures are generally milder, with a minimum of 6°C (43°F) and a maximum of 29°C (84°F). Moreover, September experiences more precipitation, totaling 115 mm (4.5 in) over 16 days, compared to July's 89 mm (3.5 in) across 15 days. Humidity levels also rise in September to an average of 85%, compared to 78% in July, indicating a more humid feel as summer transitions into autumn. For a detailed look at July weather in Bow Street, you can refer to Bow Street weather in July.

In comparing the weather of September and August, September showcases a broader temperature range with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), compared to August's milder minimum of 7°C (45°F) and a maximum of 27°C (81°F). Despite a slightly lower average temperature in September at 14°C (57°F) versus 15°C (60°F) in August, it experiences more significant precipitation, totaling 115 mm (4.5 in) over 16 rainy days compared to August's 131 mm (5.2 in) over 21 days. Additionally, September has higher humidity levels at 85%, compared to August's 79%. For more detailed insights, you can refer to Bow Street weather in August.

September offers a much warmer experience with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (82°F) and an average of 14°C (57°F). In contrast, October sees a notable drop in temperatures, with minimums plummeting to -3°C (28°F) and averaging around 11°C (52°F), while the maximum temperature reaches 22°C (71°F). Additionally, October experiences increased precipitation, totaling 149 mm (5.9 in) over 19 days, compared to September's 115 mm (4.5 in) over 16 days. Humidity also rises slightly in October to 90%, up from 85% in September. For more details, check out Bow Street weather in October.

September generally offers milder temperatures, with averages around 14°C (57°F) and peaks reaching up to 28°C (82°F), while November cools down significantly, averaging only 8°C (47°F) and maxing out at 15°C (60°F). However, November brings increased precipitation, with 133 mm (5.3 in) over 18 days compared to September's 115 mm (4.5 in) on 16 days. Humidity levels also rise in November to 91%, slightly higher than September’s 85%. For more details, you can check Bow Street weather in November.

In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 28°C (82°F), with an average of 14°C (57°F). The month sees about 115 mm (4.5 in) of precipitation over 16 days, with humidity levels around 85%. In contrast, December experiences much colder weather, with temperatures dipping to a minimum of -3°C (27°F) and an average of 7°C (44°F), peaking at 13°C (55°F). Precipitation increases to 160 mm (6.3 in) over 21 days, accompanied by slightly higher humidity at 89%. For more details on the December climate, visit Bow Street weather in December.

Compare Bow Street's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bow Street

As September unfolds in Bow Street, it presents a notable transition from the warmer summer months to the cooler embrace of autumn. The temperatures begin to dip, with warm highs giving way to brisk evenings, while frequent rainfall transforms the landscape and adds a touch of moisture to the air. With humidity levels lingering around 85%, this month feels distinctly crisper, making it a refreshing change from the hot summer season. While September may bring more days of precipitation compared to the drier months, it also offers a unique charm, setting the stage for the vibrant colors of fall. For a deeper dive into the seasonal shifts, explore more about the Bow Street Climate.