September Weather in Wembley, United Kingdom

Last updated: March 17, 2025

September in Wembley, United Kingdom brings a delightful mix of mild temperatures and occasional rain. With a maximum temperature soaring to 28°C (83°F), the month encourages outdoor activities, while the average temperature settles comfortably at 15°C (59°F). However, the crisp evenings can dip as low as 4°C (39°F), reminding residents of the autumn chill. Rainfall is moderate, with a total of 45 mm (1.8 in) spread over approximately 10 days, leading to an overall humidity level of 82%, which adds to the fresh, invigorating feel of the early fall season. Embrace the fluctuating weather as Wembley transitions gracefully into autumn!

September Temperature in Wembley

In September, Wembley, United Kingdom, begins to transition from the warmth of summer to the chill of autumn, offering a delightful mixture of temperatures. The minimum dips to around 4°C (39°F), while the average climbs to a comfortable 15°C (59°F), and the maximum can reach a pleasant 28°C (83°F). This month tends to showcase a gradual decrease in warmth, as evidenced by the shift from the intense heat of July and August, which can soar to highs of 36°C (96°F) and 34°C (93°F), respectively. September is characterized by mild days that invite outdoor activities, but evenings may require a light jacket as the leaves begin to hint at their autumn colors. This blend of warmth and cooling nights makes it an ideal time to explore Wembley’s parks and attractions before the colder months set in.

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

The chart illustrates September temperature patterns in Wembley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Wembley 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 Wembley

In September, Wembley experiences a mild shift in precipitation, recording 45 mm (1.8 in) of rain over approximately 10 days. This follows the wettest summer months, with August reaching 70 mm and June peaking at 77 mm. September's rainfall, while lower, aligns with the trend of gradually decreasing precipitation as autumn approaches, marking a transition towards the typically wetter months ahead. With an average of just under half the precipitation of October's robust 84 mm, September serves as a gentle reminder of the changing seasons, offering a mix of sunny days and occasional showers.

September Precipitation Trends in Wembley

The chart displays monthly precipitation patterns in Wembley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545354336277647045845284
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wembley

As summer transitions to autumn, September in Wembley, United Kingdom, experiences a notable uptick in humidity, averaging around 82%. This increase marks a return to more tropical conditions compared to the warmer months when July recorded its lowest humidity at 71%. Following a moderately humid August, September's weather sets the stage for the upcoming autumn months, where humidity levels tend to rise sharply, peaking at 90% in October. Overall, this gradual rise in humidity highlights the shift toward a wetter climate as the year draws to a close, with the winter months ahead promising even higher levels of moisture in the air.

September Average Humidity in Wembley

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

As summer transitions into autumn, September in Wembley sees a UV Index of 6, categorizing it as having a high exposure level with a burn time of 25 minutes. This marks a slight dip from the intense August days, which boasted an index of 7, yet the need for sun protection remains crucial. After the peak of midsummer with very high UV levels in June and July, September still calls for vigilance to avoid sunburn during outdoor activities. As the days grow shorter and cooler, it’s a reminder that UV rays continue to pose a significant risk, making it essential to stay informed and protected. For more insights on UV levels throughout the year, visit Wembley UV Index.

Maximum UV Index Levels in Wembley for September

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

September in Wembley, United Kingdom, embraces a delightful 300 hours of sunshine, marking a notable mid-year highlight in the city's weather pattern. Following the sun-drenched peaks of July and August, which registered 404 and 368 hours respectively, September continues to offer ample daylight, though it signals the gradual transition towards the cooler, cloudier months. This shift, reflected in the decline from the summer’s vibrant glow, hints at the end of the sunny season but invites the charm of autumn. As the year progresses into the brisk October, where sunshine falls to 241 hours, September serves as a warm farewell to summer’s brilliance, allowing residents and visitors alike to bask in its lingering glow.

Monthly Sunshine Duration in Wembley: September Highlighted

The September sunshine duration represents the total number of hours Wembley 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: Wembley September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wembley During September

When considering the likelihood of sunny weather in September in Wembley, United Kingdom, one can see a notable trend in the data. At 29%, the chance of sunshine is relatively modest when compared with the invigorating sun of April, which peaks at 49%. September’s sunshine chances mirror the lower percentages of June, July, and August, each hovering around the 25-38% range. This suggests that as summer wanes, the sunny days of earlier months, like April, become fleeting, and the weather starts gearing up for the cooler months ahead. So, while September may still offer some pleasant days, it's wise to prepare for a shift towards more overcast skies.

Percentage of Sunny Days in September in Wembley

The chart illustrates the percentage of sunny days in Wembley 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 Wembley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%29%49%33%28%38%25%29%25%32%17%
Data source: Wembley September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wembley in September

As summer fades into autumn, September in Wembley sees a gentle transition in daylight duration. Following the long, sun-soaked days of June and July, which both bask in 16 hours of daylight, September offers a more moderate 12 hours. This change marks a gradual decline as we move toward the shorter, chillier days of October, with only 10 hours of daylight anticipated. September acts as the bridge between the exuberance of summer and the introspective nature of autumn, reminding us to savor those last warm afternoons before winter's early sunsets begin to dominate.

Average Daylight Hours in Wembley for September

The chart illustrates the variation in daylight duration in Wembley throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Wembley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wembley

As September unfolds in Wembley, the winds begin to whisper a gentle chorus, averaging just 3.3 m/s (7 mph). This transition marks a noticeable lull compared to the slightly breezier summer months, where July and August saw average speeds of 3.3 m/s and 3.8 m/s respectively. It's intriguing to observe how the windspeed dips after a season of warmth, signaling the impending arrival of autumn. In the broader context of the year, September's winds align closely with June and July, hinting at a calmer period before the gustier months of October and November. Overall, this subtle shift in wind reflects the serene yet transformative essence of early autumn in Wembley.

Average September Wind Speed in Wembley

The chart displays monthly wind speed patterns in Wembley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.43.54.23.13.33.83.3 m/s4.43.84.4
Data source: Wembley September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wembley Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures range from a mild 4°C (39°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (59°F). The month experiences about 45 mm (1.8 in) of precipitation over 10 days, and humidity sits at a relatively comfortable 82%. In stark contrast, January sees much colder weather, with temperatures ranging from a low of -5°C (24°F) to a high of 14°C (58°F), averaging just 5°C (41°F). Precipitation increases slightly to 54 mm (2.1 in) over the same number of days, and the humidity rises to 91%, contributing to a more damp and chilly atmosphere. For more specific details about January weather, visit Wembley weather in January.

September and February showcase contrasting weather conditions. 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). The month sees about 45 mm (1.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 82%. In comparison, February experiences colder temperatures, with a minimum of -5°C (23°F) and an average high of only 18°C (65°F), resulting in an average of 6°C (43°F). This winter month has a slightly higher precipitation at 53 mm (2.1 in) over around 11 days, with humidity peaking at 89%. For more detailed insights into February weather, check out Wembley weather in February.

When comparing the weather in September and March, notable differences emerge. September typically boasts a comfortable temperature range, with averages around 15°C (59°F) and highs reaching up to 28°C (83°F). In contrast, March experiences cooler temperatures, with an average of just 7°C (46°F) and nighttime lows dipping to -5°C (23°F). Additionally, September sees about 45 mm (1.8 in) of precipitation over approximately 10 days, while March is slightly wetter, with 54 mm (2.1 in) over 13 days. Humidity levels are elevated in both months, with September at 82% and March slightly higher at 86%. For a detailed look at March conditions, check out Wembley weather in March.

September and April present contrasting weather patterns as summer transitions into autumn and spring unfolds. 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 also sees about 45 mm of precipitation over approximately 10 days and maintains a humidity level of 82%. In contrast, April experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (80°F), averaging around 10°C (49°F). Precipitation is slightly less at 33 mm across 8 days, while humidity remains high at 85%. For more specific insights, check out Wembley weather in April.

In comparing the weather of September and May, we notice some distinct differences. September typically presents a broader temperature range, with minimums around 4°C (39°F) and maximums reaching up to 28°C (83°F), averaging 15°C (59°F). In contrast, May starts cooler with minimums around 1°C (35°F) and maximums peaking at 25°C (78°F), with an average of 13°C (55°F). While both months see a similar number of precipitation days—September with 10 days and May with 11—the total rainfall in May is slightly higher at 62 mm (2.5 in) compared to September’s 45 mm (1.8 in). Additionally, the humidity remains relatively high in both months, with September at 82% and May at 79%. For a detailed look at May weather specifics, you can visit Wembley weather in May.

When comparing the weather in September and June, several notable differences emerge. June tends to be warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (89°F), and an average temperature of 16°C (62°F). In contrast, September experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 28°C (83°F), averaging 15°C (59°F). Additionally, June receives more rainfall, with 77 mm (3.0 in) over about 9 days, compared to September’s 45 mm (1.8 in) over 10 days. Humidity levels are similar, at 82% in September and slightly lower at 80% in June, making the summer month feel a bit more comfortable. For more detailed insights into June weather, you can visit Wembley weather in June.

Comparing the weather in September and July, we observe distinct differences in temperature and precipitation. 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). In contrast, July is warmer, showcasing a minimum temperature of 9°C (49°F) and soaring to a maximum of 36°C (96°F), with an average of 18°C (65°F). While September experiences 45 mm (1.8 in) of precipitation over 10 days, July has slightly heavier rainfall at 64 mm (2.5 in) across 11 days, but maintains lower humidity at 71% compared to September's 82%. For more details on July weather, you can refer to Wembley weather in July.

In comparing the weather between August and September, August tends to be warmer with average temperatures peaking at 18°C (64°F) and reaching highs of 34°C (93°F), while September sees a decrease in both minimum and average temperatures, with a minimum of 4°C (39°F) and an average of 15°C (59°F). August also experiences more days of rainfall, totaling 70 mm (2.7 in) over 12 days, compared to September's 45 mm (1.8 in) over 10 days. Additionally, September has a higher humidity level at 82%, whereas August maintains a slightly lower humidity of 76%. For more detailed information about August weather, you can check Wembley weather in August.

September presents a more temperate climate compared to October, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F). This month typically experiences less precipitation, at 45 mm (1.8 in) over 10 days, and a lower humidity level of 82%. In contrast, October sees a notable drop in temperature, with averages between 1°C (34°F) and 22°C (73°F). This month also reports increased rainfall, with 84 mm (3.3 in) spread over 12 days and higher humidity at 90%. For more detailed weather patterns, check Wembley weather in October.

September generally offers warmer temperatures compared to November, with minimums around 4°C (39°F) and maximums reaching up to 28°C (83°F), resulting in an average of 15°C (59°F). In contrast, November sees a notable drop in temperature, with minimums of -2°C (29°F) and an average of just 8°C (47°F), capping at 16°C (62°F). Additionally, September experiences less precipitation at 45 mm (1.8 in) over 10 days, while November brings slightly more rain, totaling 52 mm (2.0 in) across 11 days. Humidity also tends to be higher in November at 92%, compared to 82% in September. For more detailed insights, check out Wembley weather in November.

September weather is characterized by milder temperatures with a minimum of 4°C (39°F) and an average of 15°C (59°F), soaring to a maximum of 28°C (83°F). With moderate precipitation totaling 45 mm (1.8 in) over about 10 days, humidity levels hover around 82%. In contrast, December brings colder conditions, with temperatures dropping to a minimum of -4°C (24°F) and an average of just 6°C (44°F), peaking at 14°C (58°F). The month is wetter, with precipitation reaching 84 mm (3.3 in) across 13 days and humidity rising to 92%. For a more detailed comparison, check Wembley weather in December.

Compare Wembley's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wembley

As September rolls in, Wembley's weather transforms, offering a delightful mix of warmth and crispness. With maximum temperatures soaring to 28°C (83°F), this month stands out for its comfortably warm days, contrasting sharply with the cooler days of October. However, as autumn takes hold, the humidity rises to 82%, and the month sees about 10 days of rainfall, hinting at the change in seasons. While the average temperature rests at a mild 15°C (59°F) and chilly nights can dip to 4°C (39°F), September strikes a charming balance between summer's warmth and autumn's approach. For a deeper dive into the climate throughout the year, check out Wembley Climate.