September Weather in Woolwich, United Kingdom

Last updated: March 17, 2025

September in Woolwich, United Kingdom, showcases a blend of warm and cool weather, making it a transitional month. With a maximum temperature soaring to 28°C (83°F), the average settles at a comfortable 15°C (60°F), while the nights can dip to a brisk 4°C (40°F). Rainfall is notable, with 45 mm (1.8 in) of precipitation falling over 9 days, contributing to a humidity level of 80% that envelops the month in a refreshing embrace. Whether you're enjoying sunny afternoons or cozy evenings, September offers a dynamic and inviting atmosphere in Woolwich.

September Temperature in Woolwich

As summer transitions into autumn, September in Woolwich offers a pleasant shift in temperatures, with a minimum of 4°C (40°F) and an average of 15°C (60°F), peaking at a comfortable 28°C (83°F). This month marks a notable decrease from the peak summer heat, yet it still retains warmth, allowing for lingering outdoor activities. The averages illustrate a gentle dip as the month progresses, paving the way for the crisper air of October. Overall, September is a delightful time in Woolwich, where the temperate climate encourages both locals and visitors to savor the changing seasons before the cooler months set in.

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

The chart illustrates September temperature patterns in Woolwich, 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 Woolwich 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 Woolwich

In September, Woolwich experiences a moderate precipitation amount, receiving 45 mm (1.8 in) over nine days. This marks a notable decline from the heavier rains of August, where the region saw 72 mm (2.8 in). As summer transitions into autumn, September's relatively lower rainfall suggests a gradual shift, often bringing milder weather to the area. The trend of decreasing precipitation as the month progresses towards October also reflects the historical pattern, particularly with October typically being one of the wettest months, showcasing a seasonal surge as the year draws to a close. As the days grow cooler, Woolwich reminds us of the gentle balance between the lingering warmth of summer and the approaching chill of autumn.

September Precipitation Trends in Woolwich

The chart displays monthly precipitation patterns in Woolwich, 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.
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September Humidity in Woolwich

In September, Woolwich experiences a noticeable rise in humidity, averaging around 80%. This marks a shift from the more comfortable, summer lows of 73% in August, as the lingering warmth of early autumn coaxes moisture back into the air. While not as humid as the peak winter months, where levels soar to 91% in January and 92% in November and December, September's humidity sets the stage for the transitional chill of fall. This gradual increase in moisture hints at the approaching wetter months, making it a time when the air feels a touch heavier and the landscape begins its colorful transformation.

September Average Humidity in Woolwich

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

As September rolls into Woolwich, the UV Index reflects a notable shift towards higher levels of sun exposure, peaking at 6 on the scale, which categorizes it as high. With a burn time of just 25 minutes, it's essential to take protective measures when spending time outdoors, especially as the summer's blazing UV levels begin to taper off. This trend shows a gradual decline from the intense very high indices of summer, where June and July climbed to 8, to a more manageable but still significant level in September. As autumn approaches, it's a good reminder to balance enjoying the pleasant weather with necessary skin protection. For more detailed insights on UV levels throughout the year, visit Woolwich UV Index.

Maximum UV Index Levels in Woolwich for September

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

September in Woolwich is a delightful transition into autumn, basking in 300 hours of sunshine. This month typically glows with a vibrant warmth that mirrors the peak summer months, showcasing a noteworthy trend of sustained sunlight as the year progresses. Beginning from a modest 95 hours in January, the sunshine hours steadily climb, peaking in July with 405 hours. As the summer slowly wanes, September still holds onto a considerable amount of sunshine, demonstrating a significant drop from the midsummer highs but remaining more luminous than the earlier months of the year. With October's 240 hours, a noticeable decline begins, yet September’s golden hours serve as a beautiful ending note to the sun-drenched days of summer.

Monthly Sunshine Duration in Woolwich: September Highlighted

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

Chance of Sun in Woolwich During September

As September rolls in, the odds of enjoying sunny weather in Woolwich hover around 29%, mirroring the somewhat dreary summer months of July and August. This percentage reflects a slight dip in sunny prospects compared to the more cheerful 49% experienced in April, where spring's promise has begun to wane. However, the transition to autumn doesn't plunge too dramatically; October follows with a modest 25% chance of sun, hinting at a gradual move toward the cloudier months ahead. As such, while September may not offer the brightest of days, it still provides fleeting moments of sunshine that remind us of summer's warmth before winter's chill sets in.

Percentage of Sunny Days in September in Woolwich

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

Daylight Hours in Woolwich in September

As summer fades into autumn, Woolwich, United Kingdom, experiences a significant shift in daylight duration. September offers a balanced 12 hours of daylight, marking a transition from the long, sun-soaked days of June and July, which basked in an impressive 16 hours of light. While this month retains a sense of warmth with ample daylight compared to the earlier months of the year, it heralds the gradual decline that follows. As daylight shifts from the vibrant 15 hours in May to the more muted 10 hours by October, residents of Woolwich are reminded of the impending shorter days ahead, echoing the cyclical nature of the seasons. This gradual waning of light not only prepares the community for the cozy embrace of autumn but also highlights the dynamic interplay between seasonal change and daily rhythms.

Average Daylight Hours in Woolwich for September

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

September Winds in Woolwich

As September settles over Woolwich, the average wind speed dips to 3.2 m/s (7 mph), marking one of the calmer months of the year. This gentle breeze follows the warmer, more dynamic summer months, where winds hovered around 3.8 m/s (8 mph) in August. Notably, the wind speed declines again from a peak in May at 4.2 m/s (9 mph) and is one of the slowest since June. As the autumn approaches, this reduction in breeziness foreshadows the coming months of invigorating winds—October, typically more blustery, averages 4.3 m/s (10 mph). Overall, September's tranquility reflects a transition, embracing the softer whispers of fall as nature gradually prepares for the brisker days ahead.

Average September Wind Speed in Woolwich

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

How September Weather in Woolwich Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a pleasant average of 15°C (60°F), peaking at 28°C (83°F). The month sees a moderate amount of rainfall at 45 mm (1.8 in) over about 9 days, coupled with a humidity level of 80%. In contrast, January is considerably colder, with temperatures dropping to a minimum of -5°C (24°F) and averaging around 5°C (41°F), while the maximum rarely exceeds 14°C (58°F). January also experiences slightly more precipitation at 54 mm (2.1 in) during the same 9 days, but with an increased humidity of 91%. For more detailed insights, you can check the link: Woolwich weather in January.

September and February present contrasting weather patterns, showcasing a shift from late summer warmth to the chill of winter. 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) and the month typically sees about 45 mm (1.8 in) of precipitation over 9 days, combined with a humidity level of 80%. In stark contrast, February experiences much colder temperatures, with a minimum of -7°C (21°F), an average of 6°C (43°F), and a maximum of 18°C (65°F). This winter month brings slightly more rainfall, at 52 mm (2.0 in) over 11 days, and higher humidity at 89%. For a closer look at February's weather specifics, you can visit Woolwich weather in February.

September and March exhibit distinct weather patterns that reflect the transition between summer and spring. In September, the temperatures range from a cool 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 also sees a moderate level of precipitation at 45 mm (1.8 in) over about nine days, accompanied by a humidity level of 80%. Conversely, March experiences colder conditions, with nighttime temperatures dipping to -5°C (23°F) and daytime highs averaging around 22°C (72°F), leading to an average monthly temperature of 8°C (46°F). Precipitation slightly increases to 52 mm (2.1 in) over 13 days, resulting in a humidity level of 86%. For more detailed insights on March weather, you can check Woolwich weather in March.

When comparing the weather between September and April, we see notable differences in temperature and overall conditions. September boasts a broader temperature range, with nighttime lows around 4°C (40°F) and daytime highs reaching up to 28°C (83°F). In contrast, April's temperatures are generally milder, starting as low as -2°C (29°F) and peaking at 26°C (80°F). While September experiences more rainfall, totaling 45 mm (1.8 in) over about 9 days, April is slightly drier with only 32 mm (1.3 in) over 7 days. Additionally, humidity levels are relatively high in both months, with September at 80% and April a touch higher at 85%. For those interested in more detailed weather patterns, you can check Woolwich weather in April.

In comparing the weather of September and May, September generally offers warmer temperatures, with averages reaching up to 15°C (60°F) and maximums of 28°C (83°F), while May features cooler averages of 13°C (55°F) and max temperatures of 25°C (78°F). Precipitation is more prevalent in May, accumulating to 63 mm (2.5 in) over about 10 days compared to September's 45 mm (1.8 in) spread across 9 days. Humidity levels remain relatively high in both months, with September at 80% and May slightly higher at 82%. For a closer look at May's weather specifics, you can visit Woolwich weather in May.

When comparing the weather in September and June, it's clear that both months offer a range of temperatures and conditions. In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), with an average of 17°C (62°F) and slightly higher precipitation of 77 mm (3.0 in) over 8 days. This results in a warm month with optimal conditions for outdoor activities. In contrast, September sees a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching 28°C (83°F), leading to an average of 15°C (60°F). The month also features 45 mm (1.8 in) of rainfall over 9 days, indicating a noticeable increase in wet days. Both months have similar humidity levels, around 80-81%, but June generally feels warmer and more conducive to summer activities. For more detailed insights, you can check out Woolwich weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (60°F), while July is much warmer, featuring a minimum of 9°C (49°F) and an average of 18°C (65°F). The maximum temperature in July can reach a scorching 36°C (97°F), compared to September's milder maximum of 28°C (83°F). Additionally, July averages more rainfall, with 64 mm (2.5 in) over 11 days, compared to September's 45 mm (1.8 in) over 9 days. Humidity levels are relatively similar, at 80% in September and 76% in July, contributing to the overall feel of each month. For detailed weather conditions in July, you can check Woolwich weather in July.

In comparing the weather between September and August, we can see noticeable differences in temperature and precipitation. September experiences cooler conditions with minimum temperatures dropping to 4°C (40°F) and an average of 15°C (60°F), while August stands warmer, with minimums around 8°C (47°F) and an average of 18°C (64°F). The maximum temperatures also highlight this shift, peaking at 28°C (83°F) in September compared to a hot 34°C (94°F) in August. Additionally, September has a higher humidity of 80% and slightly less rainfall at 45 mm (1.8 in) over 9 days, compared to August's rainfall of 72 mm (2.8 in) across 12 days. For a closer look at August's weather specifics, check out Woolwich weather in August.

In September, the weather tends to be warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 28°C (83°F) and an average of 15°C (60°F). Precipitation is relatively low at 45 mm (1.8 in) over 9 rainy days, and humidity levels are around 80%. In contrast, October brings cooler temperatures, with lows of 1°C (34°F) and highs reaching 23°C (73°F) for an average of 12°C (54°F). The month sees increased rainfall, totaling 81 mm (3.2 in) over 12 days, and humidity rises to 89%. For more details, you can check out Woolwich weather in October.

In September, temperatures typically 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). The month experiences 45 mm (1.8 in) of precipitation over approximately 9 days, accompanied by a humidity level of 80%. In contrast, November sees much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 17°C (62°F), averaging just 8°C (47°F). Precipitation in November increases slightly to 48 mm (1.9 in) over about 10 days, with humidity rising to 92%. For more detailed information, refer to Woolwich weather in November.

Comparing the weather in September and December reveals a significant shift in temperatures and conditions. In September, temperatures range from a low of 4°C (40°F) to a high of 28°C (83°F), with an average of 15°C (60°F). The month sees about 45 mm (1.8 in) of precipitation over approximately 9 days, accompanied by a humidity level of 80%. In contrast, December brings much colder temperatures, with a minimum of -4°C (25°F), an average of 6°C (44°F), and a maximum of 14°C (58°F). Precipitation increases to 84 mm (3.3 in) over 14 days, and humidity rises to 92%. For a more detailed look at December's weather, visit Woolwich weather in December.

Compare Woolwich's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Woolwich

As September unfolds in Woolwich, it marks a transition into cooler days, setting it apart from the warmer summer months. With an average temperature of 15°C (60°F), the month experiences a significant dip compared to the peak heat of July and August, while still hosting the occasional warm day, with highs reaching up to 28°C (83°F). The humidity stays notably high at 80%, contributing to a slightly muggy feel and prompting the arrival of more frequent rain, as indicated by nine precipitation days totaling 45 mm (1.8 in). This blend of warmth and moisture creates a unique atmosphere, hinting at the forthcoming autumn. To explore more about the overall weather patterns in Woolwich, visit Woolwich Climate.