September Weather in Belsize Park, United Kingdom

Last updated: March 17, 2025

September in Belsize Park, United Kingdom, showcases a delightful transition from summer to autumn, with maximum temperatures reaching up to 28°C (83°F) and an average of 15°C (59°F). The month can bring cooler evenings, as minimum temperatures drop to 4°C (39°F), creating a broad temperature range. Alongside the mild weather, precipitation totals around 45 mm (1.8 in) over 10 days, contributing to an average humidity of 82%. This mix of warmth and occasional rain makes September a unique time to experience the charm of Belsize Park.

September Temperature in Belsize Park

In September, Belsize Park experiences a pleasant transition from summer's warmth to the cooler embrace of autumn. Temperatures range from a minimum of 4°C (39°F) to a comfortable maximum of 28°C (83°F), with an average of 15°C (59°F). This month marks a notable shift as summer highs begin to wane, yet the lingering warmth still invites outdoor activities. The gradual decrease in daily temperatures, compared to the sweltering peaks of July and August, signifies the onset of a more temperate climate, perfect for enjoying the vibrant fall scenery in the park.

September Weather in Belsize Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Belsize Park, 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 Belsize Park 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 Belsize Park

September in Belsize Park typically ushers in a transition as summer fades into autumn, bringing an average precipitation of 45 mm (1.8 in) over 10 days. This marks a noticeable decline from the wetter months of August and June, with their respective totals of 70 mm (2.7 in) and 77 mm (3.0 in), hinting at the onset of drier weather ahead. As children return to school and leaves start to turn, September's rainfall can be viewed as a gentle reminder of the changing season, striking a balance between the vibrancy of summer and the crispness of fall. Overall, the month offers a refreshing yet moderate dose of rain, perfectly complementing the shifting landscape of Belsize Park.

September Precipitation Trends in Belsize Park

The chart displays monthly precipitation patterns in Belsize Park, 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 Belsize Park

September in Belsize Park sees a notable shift in humidity, with levels averaging around 82%. This marks a rise from the drier summer months of July and August, which recorded 71% and 76% respectively. As autumn approaches, the humidity begins to climb again, approaching the winter averages of 90% in October and lingering at 92% in both November and December. Overall, September serves as a transitional month, bridging the more comfortable summer conditions and the increasingly moist autumn weather, setting the stage for the chillier months ahead.

September Average Humidity in Belsize Park

This chart illustrates the average monthly humidity levels in Belsize Park, 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 Belsize Park

As September rolls into Belsize Park, the UV Index settles at a high level of 6, indicating a significant potential for sunburn with a burn time of just 25 minutes. This marks a slight drop from the peak summer months of July and June, which peaked at UV Index 8, but still showcases the lingering intensity of summer sun. Comparatively, spring months like March and April had moderate levels, while May ushered in high levels at 7. As autumn approaches, residents and visitors should remain mindful of the sun's strength, especially during midday hours. To stay informed on the UV Index throughout the year, visit Belsize Park UV Index.

Maximum UV Index Levels in Belsize Park for September

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

September in Belsize Park sees a radiant culmination of summer, boasting an impressive 300 hours of sunshine. Following the vibrant peak of July, which recorded 404 hours, the month presents a gentle decline, yet still outshines October's 241 hours. This trend illustrates a gradual tapering off of summer brightness, as the sunshine hours dip from the height of May's glorious 398 hours. Despite the upcoming autumn chill, September remains a month of warmth and light, allowing residents to savor the lingering rays before they yield to the darker days ahead.

Monthly Sunshine Duration in Belsize Park: September Highlighted

The September sunshine duration represents the total number of hours Belsize Park 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: Belsize Park September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Belsize Park During September

In Belsize Park, United Kingdom, the chances of sunny weather in September hover around 29%, which aligns with the trend of late summer and early autumn transitioning. While the likelihood of sunshine rises significantly in April to nearly 49%, it plateaus and starts to wane into the fall months, leading to a comparable percentage as seen in early spring. Interestingly, September's sun chances echo those of March, suggesting that this month can be a bit unpredictable, offering occasional bright days amid the encroaching chill. As summer's warmth gives way to autumn's embrace, residents can expect a mix of sunny spells and typical UK dreariness, making for a varied September climate.

Percentage of Sunny Days in September in Belsize Park

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

Daylight Hours in Belsize Park in September

As summer transitions to autumn, September in Belsize Park sees a decline in daylight, with the days shortening to 12 hours of light. This marks a gentle shift from the long, sun-soaked days of July and August, which each boasted 16 and 14 hours of daylight respectively. The progress into fall continues to be characterized by gradually dimming days, as October brings an even shorter 10 hours of daylight. Interestingly, this pattern highlights a consistent trend: each month from June through September showcases a decrease in sunlight, offering a reminder of the cyclical nature of the seasons as nature prepares for the quieter months ahead.

Average Daylight Hours in Belsize Park for September

The chart illustrates the variation in daylight duration in Belsize Park 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: Belsize Park daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Belsize Park

As September unfolds in Belsize Park, the gentle breeze settles to an average wind speed of 3.3 m/s (7 mph), marking a continuation of the lighter winds characteristic of the late summer months. This slight dip reflects a transition from the more blustery conditions of spring, where speeds peaked around 4.7 m/s (11 mph) in February. As the season shifts toward autumn, September offers a welcome reprieve, keeping the winds soft and inviting, reminiscent of the calm summer days but still hinting at the brisker gusts that October promises, with its average returning to 4.4 m/s (10 mph). Thus, Belsize Park experiences a serene blend of late summer warmth and a gentle foretaste of autumn's arrival, making it ideal for leisurely strolls amidst the changing leaves.

Average September Wind Speed in Belsize Park

The chart displays monthly wind speed patterns in Belsize Park, 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: Belsize Park September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Belsize Park Compares to Other Months

The weather in Belsize Park 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 Belsize Park and find detailed weather information for every month.

September and January present a stark contrast in weather patterns. September boasts a milder climate with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), making it a pleasant month with relatively comfortable weather. In contrast, January's temperatures are significantly lower, with averages between -5°C (24°F) and a maximum of 14°C (58°F), indicating the chill of winter. While both months receive precipitation on about 10 days, January experiences slightly higher rainfall at 54 mm (2.1 in) compared to September's 45 mm (1.8 in). Additionally, the humidity levels increase in January to 91%, higher than the 82% recorded in September, contributing to a colder and damp atmosphere. For more specific insights into January weather, you can check out Belsize Park weather in January.

In comparing the weather of September and February, significant differences emerge. September enjoys a milder climate with temperatures ranging from a minimum of 4°C (39°F) to a warm high of 28°C (83°F) and an average of 15°C (59°F). It experiences about 45 mm (1.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 82%. Contrastingly, February presents much cooler conditions, with temperatures dipping as low as -5°C (23°F) and peaking at 18°C (65°F), averaging around 6°C (43°F). The month sees slightly higher precipitation at 53 mm (2.1 in) over 11 days, along with a higher humidity of 89%. For more detailed weather insights, visit Belsize Park weather in February.

September and March offer distinct contrasts in weather. In September, temperatures range from a cool 4°C (39°F) at night to a warm 28°C (83°F) during the day, with an average temperature of 15°C (59°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 10 days, contributing to a fairly humid atmosphere with humidity levels around 82%. In contrast, March introduces cooler conditions, with nighttime lows plunging to -5°C (23°F) and daytime highs reaching 22°C (71°F) for an average of 7°C (46°F). Although March experiences a little more rainfall at 54 mm (2.1 in) over 13 days, humidity increases slightly to 86%. This comparison highlights the transition from the warm tail end of summer in September to the early spring chill of March. For more specific details, you can refer to Belsize Park weather in March.

In comparing the weather of September and April, we see notable differences in temperature and humidity. September boasts a wider temperature range, with minimums of 4°C (39°F), average highs of 15°C (59°F), and maximums reaching up to 28°C (83°F). This month also experiences higher humidity, averaging at 82%, alongside 45 mm (1.8 in) of precipitation over approximately 10 days. Conversely, April starts with cooler temperatures, with minimums dipping to -2°C (29°F), an average of 10°C (49°F), and maximums around 26°C (80°F). While it has less precipitation with 33 mm (1.3 in) over 8 days, the humidity is slightly higher at 85%. For more details on April weather, check out Belsize Park weather in April.

When comparing the weather in September and May, we see notable differences in both temperature and precipitation. September typically enjoys warmer conditions, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), while May tends to be slightly cooler, with temperatures fluctuating between 1°C (35°F) and 25°C (78°F). In terms of precipitation, May experiences more rainfall overall, with 62 mm (2.5 in) across 11 days compared to September's 45 mm (1.8 in) over 10 days. Humidity levels remain relatively high in both months, with September at 82% and May slightly lower at 79%. For more detailed weather insights, check out Belsize Park weather in May.

When comparing the weather in September and June, we see some notable differences. September tends to have a wider temperature range, with a minimum of 4°C (39°F) and a maximum of 28°C (83°F), resulting in an average of 15°C (59°F). In contrast, June starts warmer with a minimum of 7°C (45°F) and a maximum of 31°C (89°F), leading to an average of 16°C (62°F). Precipitation levels also vary, with September experiencing 45 mm (1.8 in) of rain over about 10 days, while June has higher precipitation at 77 mm (3.0 in) over 9 days. Humidity levels are slightly higher in September at 82%, compared to June's 80%. For those interested in more details about June weather, you can visit Belsize Park weather in June.

In comparing the weather between September and July, we notice distinct differences in temperature and humidity. September brings cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (59°F), while July is warmer, featuring a minimum of 9°C (49°F) and an average of 18°C (65°F). July also sees a much higher maximum temperature, reaching up to 36°C (96°F), in contrast to September's peak of 28°C (83°F). Additionally, humidity levels during September are higher at 82%, compared to July's 71%. Precipitation also varies slightly, with July receiving more rain at 64 mm (2.5 in) over 11 days, while September has 45 mm (1.8 in) spread over 10 days. For a closer look at July's weather specifics, you can check Belsize Park weather in July.

September's weather is noticeably cooler compared to August, with minimum temperatures dropping to 4°C (39°F) and average highs reaching only 28°C (83°F). In contrast, August experiences warmer conditions, with minimum temperatures around 8°C (47°F) and maximums soaring to 34°C (93°F). Additionally, September sees more rainfall, with 45 mm (1.8 in) over 10 days compared to August's 70 mm (2.7 in) across 12 days, although the humidity is slightly higher in September at 82% compared to August's 76%. For a detailed look at August weather, you can check Belsize Park weather in August.

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 experiences approximately 45 mm (1.8 in) of precipitation over about 10 days, accompanied by a humidity level of 82%. In contrast, October brings cooler weather, with temperatures dipping to a minimum of 1°C (34°F) and a maximum of 22°C (73°F), averaging around 12°C (54°F). This month sees increased precipitation at 84 mm (3.3 in) over around 12 days, and humidity rises to 90%. For more detailed information, you can check out Belsize Park weather in October.

September and November present distinct weather patterns. 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 sees around 45 mm (1.8 in) of precipitation over approximately 10 days, with humidity levels at 82%. In contrast, November offers cooler conditions, with temperatures dropping to a nighttime minimum of -2°C (29°F) and a daytime maximum of 16°C (62°F), averaging 8°C (47°F). Precipitation increases slightly to 52 mm (2.0 in) across 11 days, accompanied by a higher humidity of 92%. For more detailed insights, check out Belsize Park weather in November.

In September, the weather is notably milder, 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 a moderate 45 mm (1.8 in) of precipitation over about 10 days, with humidity levels at 82%. In contrast, December ushers in colder temperatures, dropping to a minimum of -4°C (24°F) and averaging only 6°C (44°F), peaking at 14°C (58°F). Precipitation increases to 84 mm (3.3 in) over 13 days and humidity rises slightly to 92%. For more detailed information on December conditions, you can check Belsize Park weather in December.

Compare Belsize Park's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Belsize Park

As summer bids farewell, September in Belsize Park presents a unique blend of mild warmth and refreshing coolness. The month often experiences a pleasant average temperature, contrasted by cooler nights, making it a transitional period in the weather cycle. With occasional rain gracing about a third of the month, the humidity levels rise, enveloping the area in a soft, often misty ambiance. This shift towards autumn is marked by shorter days and a vibrant palette of falling leaves, offering a charming backdrop for outdoor activities. For a deeper understanding of the overall pattern, you can explore Belsize Park Climate.