September Weather in Hackney, United Kingdom

Last updated: March 17, 2025

September in Hackney, United Kingdom, presents a delightful blend of summer's warmth and autumn's embrace. With maximum temperatures reaching up to 28°C (83°F) and an average of 15°C (60°F), the month offers a comfortable climate for outdoor adventures. However, cool nights can surprise, dropping to a minimum of 4°C (40°F). Expect some moisture in the air, as Hackney experiences about 45 mm (1.8 in) of rain over 9 days, coupled with a high humidity level of 80%. This combination creates a vibrant atmosphere, ideal for enjoying the early fall charm in this lively locale.

September Temperature in Hackney

As summer transitions into autumn, September in Hackney, United Kingdom, brings a delightful shift in temperatures. The month starts with a minimum of around 4°C (40°F) during the nights, rising to a pleasant average of 15°C (60°F) by day. With maximum temperatures reaching a comfortable 28°C (83°F), it’s the perfect time for outdoor activities as the warmth lingers without the intensity of midsummer’s heat. This gradual cooling signals the approach of fall, creating a lovely balance where residents can enjoy milder days while savoring the crispness of the season's onset. The trend is clear: September is a delightful month in Hackney, marked by warm, inviting days and refreshing evenings.

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

The chart illustrates September temperature patterns in Hackney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656459544643
Data source: Temperature data for Hackney generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hackney

In September, Hackney experiences a moderate dip in rainfall, with total precipitation measuring 45 mm (1.8 in) across 9 days. This marks a noticeable decrease compared to the summer months, creating a transition into the wetter autumn season. While August's rainfall reached 72 mm (2.8 in), the September weather hints at a shift, preparing residents for the wet conditions typical of October, which sees an increase to 81 mm (3.2 in). As the summer warmth begins to fade, September's relatively drier spell offers a brief respite before the heavier showers of fall take hold.

September Precipitation Trends in Hackney

The chart displays monthly precipitation patterns in Hackney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545253326377647245814884
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hackney

As summer fades into autumn, September in Hackney brings a noticeable shift in humidity, averaging around 80%. This marks a slight increase from the drier months of July and August, where humidity levels dipped to 76% and 73%, respectively. The gentle uptick is a precursor to the wetter months ahead, as the city braces for higher humidity levels that return in October at 89% and settle at 92% throughout the winter. Thus, September serves as a transitional month, blending the lingering warmth of summer with the impending coolness of autumn, where the air begins to feel a bit more saturated in anticipation of the rainy season.

September Average Humidity in Hackney

This chart illustrates the average monthly humidity levels in Hackney, 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%82%81%76%73%80%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hackney

As September unfolds in Hackney, the UV Index stands at 6, indicating a high exposure category, with a burn time of just 25 minutes. This marks a slight decrease from the peak summer months where the Index reached 8 in both June and July. However, it remains significantly higher than the early spring levels, showcasing a transitional period where sun protection is still crucial. As we move towards autumn, the UV Index gradually declines, reminding residents to stay mindful of sun safety even as temperatures cool. To learn more about the UV Index and its implications in Hackney, check out Hackney UV Index.

Maximum UV Index Levels in Hackney for September

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

As September arrives in Hackney, the lingering warmth of summer is still felt, with 300 hours of sunshine lighting up the month. This marks a notable decline from the sun-drenched days of July and August, but it remains a significant part of Hackney's vibrant late-summer charm. The trend shows a steady increase in sunlight from January through May, peaking in the heart of summer with July's impressive tally. However, as autumn looms, the gradual reduction in sunlight signals a transition to the cooler months ahead, where October's hours drop significantly to 240. September captures this beautiful blend of summer's last rays and the early whispers of fall, making it a perfect time to soak up the sun before the days grow shorter.

Monthly Sunshine Duration in Hackney: September Highlighted

The September sunshine duration represents the total number of hours Hackney 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h146h211h319h398h393h405h372h300h240h142h106h
Data source: Hackney September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hackney During September

In Hackney, September brings a moderate 29% chance of sunny weather, positioning it among the more variable months of the year. While this figure reflects a slight increase from the summer months of July and August, which sit at 39% and 25% respectively, it also suggests a retreat from the earlier months of spring, particularly April's peak of 49%. This trend indicates that while there's a decent opportunity to bask in sunshine, locals and visitors alike should remain prepared for the unpredictability typical of transitioning seasons. As autumn begins to set in, the likelihood of cloudier days becomes a distinct possibility, reminding everyone that sunshine in September can be a delightful surprise rather than a guarantee.

Percentage of Sunny Days in September in Hackney

The chart illustrates the percentage of sunny days in Hackney 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 Hackney experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%29%49%34%29%39%26%29%25%32%17%
Data source: Hackney September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hackney in September

As summer fades into autumn, September in Hackney welcomes a soft transition in daylight duration, offering approximately 12 hours of light. This marks a gradual decline from the peak of 16 hours in June and July, reflecting nature's shift as the days begin to shorten. Following the bright and lengthy days of summer, September's light still encourages outdoor activities and social gatherings, yet hints at the cozy evenings of fall ahead. The daylight trend clearly showcases a rhythmic ebb and flow, where daylight waxes until mid-year and wanes into the colder months, culminating in the shorter days of winter that promise a quieter time ahead.

Average Daylight Hours in Hackney for September

The chart illustrates the variation in daylight duration in Hackney 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 33m16h 4m14h 30m12h 35m10h 36m8h 49m7h 53m
Data source: Hackney daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hackney

As September unfolds in Hackney, the average wind speed dips slightly to 3.2 m/s (7 mph), marking a gentle transition into autumn. This mellow breeze contrasts with the invigorating gusts of earlier months, particularly February's peak of 4.6 m/s (10 mph). Now, as summer wanes, the wind's embrace becomes softer, reflecting nature's shift towards a more tranquil atmosphere. Historically, the winds in Hackney start off strong in the early months, peaking around winter, before mellowing out toward late summer and early autumn. The trend suggests a cyclic rhythm, where the brisk winds of the changing seasons invite a reflective pause in September, offering residents a serene moment before the return of winter's lively gusts.

Average September Wind Speed in Hackney

The chart displays monthly wind speed patterns in Hackney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.64.43.44.23.03.33.83.2 m/s4.33.74.3
Data source: Hackney September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hackney Compares to Other Months

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

In September, the weather is generally mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). The month sees about 45 mm (1.8 in) of precipitation over 9 days, with humidity levels at 80%. In stark contrast, January brings colder conditions, with temperatures dipping to a minimum of -5°C (24°F) and a maximum of 14°C (58°F), resulting in an average of just 5°C (41°F). This winter month experiences slightly higher precipitation at 54 mm (2.1 in) over the same 9 days, alongside increased humidity levels at 91%. For more detailed insights, check out Hackney weather in January.

September generally offers milder weather compared to February, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 28°C (83°F). In contrast, February experiences cooler temperatures, with a range from -7°C (21°F) to 18°C (65°F), making it significantly chillier. Additionally, September sees lower humidity at 80% and less precipitation, with an average of 45 mm (1.8 in) over 9 days. Meanwhile, February tends to be wetter, with 52 mm (2.0 in) of rain spread over 11 days and higher humidity at 89%. For more details on February weather, check out Hackney weather in February.

September and March present notably different weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (60°F). The month experiences about 45 mm (1.8 in) of precipitation over approximately 9 days, with humidity around 80%. Conversely, March is considerably cooler, with nighttime lows dipping to -5°C (23°F) and daytime highs reaching up to 22°C (72°F), averaging 8°C (46°F). Precipitation increases slightly to 52 mm (2.1 in) over about 13 days, accompanied by higher humidity at 86%. For more detailed insights on March weather, you can refer to Hackney weather in March.

September weather in Hackney is generally warmer than April, with average temperatures ranging from a chilly 4°C (40°F) to a pleasant 28°C (83°F). In contrast, April experiences cooler conditions, with temperatures dipping as low as -2°C (29°F) and reaching a maximum of 26°C (80°F). While both months are relatively humid, September boasts a slightly lower humidity at 80% compared to April's 85%. Precipitation is also a noteworthy factor, with September receiving 45 mm (1.8 in) over 9 days, whereas April sees only 32 mm (1.3 in) over 7 days. For more detailed insights, you can explore Hackney weather in April.

September typically offers warmer temperatures compared to May, with a minimum of 4°C and a maximum reaching 28°C, compared to May's cooler range of 1°C to 25°C. Both months experience significant humidity, hovering around 80% in September and slightly higher at 82% in May. While precipitation is a bit heavier in May, with 63 mm over 10 days, September has a more moderate rainfall of 45 mm across 9 days. For more detailed insights into May weather, you can check Hackney weather in May.

In comparing the weather between June and September, June tends to be warmer with maximum temperatures reaching 32°C (89°F) compared to September's peak of 28°C (83°F). The average temperature in June is also slightly higher at 17°C (62°F), while September averages 15°C (60°F). When it comes to precipitation, June experiences more rainfall with 77 mm (3.0 in) over 8 days, in contrast to September's 45 mm (1.8 in) over 9 days. Humidity levels remain similar in both months, with September at 80% and June at 81%. For a closer look at June's weather patterns, visit Hackney weather in June.

In comparing the weather of September and July, significant differences in temperature and precipitation emerge. September generally experiences milder temperatures with a minimum of 4°C (40°F) and a maximum of 28°C (83°F), averaging around 15°C (60°F). In contrast, July is warmer, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 36°C (97°F), averaging 18°C (65°F). Precipitation is also more pronounced in July, totaling 64 mm (2.5 in) over 11 days, compared to September's 45 mm (1.8 in) across 9 days. Humidity levels remain relatively high in both months, with September at 80% and July slightly lower at 76%. For additional insights on July weather patterns, refer to Hackney weather in July.

In comparing the weather between August and September, it’s clear that September tends to be cooler and less humid. September features a minimum temperature of 4°C (40°F) and an average of 15°C (60°F), compared to August’s minimum of 8°C (47°F) and average of 18°C (64°F). Additionally, August experiences much higher maximum temperatures, reaching up to 34°C (94°F), while September's maximum peaks at 28°C (83°F). Rainfall is also more pronounced in August, with 72 mm (2.8 in) over 12 days, compared to September's 45 mm (1.8 in) across 9 days. Humidity levels are notably higher in September at 80%, versus August’s 73%. For more details, you can check Hackney weather in August.

September and October present a notable transition in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F), accompanied by relatively lower precipitation of 45 mm (1.8 in) over about 9 days and humidity at 80%. In contrast, October sees cooler temperatures with a minimum of 1°C (34°F) and a maximum of 23°C (73°F), averaging 12°C (54°F). This month experiences increased precipitation totaling 81 mm (3.2 in) over approximately 12 days, along with a rise in humidity to 89%. For more detailed information, visit Hackney weather in October.

In comparing September and November weather, we notice a distinct shift as autumn progresses. September boasts a milder average temperature of 15°C (60°F) with maximum highs reaching 28°C (83°F), while November cools down significantly, averaging just 8°C (47°F) and peaking at 17°C (62°F). Precipitation levels are quite similar, with September receiving 45 mm (1.8 in) over 9 days and November slightly higher at 48 mm (1.9 in) across 10 days. Additionally, humidity increases from 80% in September to a more humid 92% in November, making the latter month feel colder and damp. For more detailed information on November's weather specifics, you can visit Hackney weather in November.

In September, temperatures range from a mild 4°C (40°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (60°F). The month sees about 45 mm (1.8 in) of rainfall spread over approximately 9 days, accompanied by a humidity level of 80%. In contrast, December brings much cooler conditions, with temperatures ranging from a chilly -4°C (25°F) at night to a maximum of 14°C (58°F), averaging around 6°C (44°F). Additionally, December experiences higher precipitation, totaling 84 mm (3.3 in) over about 14 days, and an increased humidity of 92%. For more detailed insights into December's climate, visit Hackney weather in December.

Compare Hackney's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hackney

As September unfolds in Hackney, it presents a striking transition from the sultry summer months to the cooler embrace of autumn. The average temperature hovers at a comfortable 15°C, offering mild days that contrast with the maximum highs of 28°C seen earlier in the season. However, the occasional chill can be felt, especially as nights dip toward 4°C, signaling the changing seasons. While rain may grace around 9 days this month, adding up to 45 mm of precipitation, it serves as a gentle reminder that summer's hold is loosening. With humidity levels around 80%, the air carries a crispness that refreshes, making September in Hackney a time of nuanced weather contrasts. For more details on the local climate, check out Hackney Climate.