Last updated: March 17, 2025
September in Liverpool, United Kingdom, features a mix of mild temperatures and typical British rainfall. The maximum temperature reaches a pleasant 24°C (76°F), while the average hovers around 15°C (59°F), offering a comfortable climate for outdoor activities. However, visitors should be prepared for the minimum chill of 7°C (45°F) during cooler evenings. With 135 mm (5.3 in) of precipitation spread over 17 days, this month sees a fair share of rain, contributing to a high humidity level of 85%. Despite the wet conditions, September remains an inviting time to explore Liverpool's vibrant culture and scenic waterfront.
September in Liverpool marks the transition from summer to autumn, offering a delightful blend of mild temperatures and vibrant scenery. With minimums around 7°C (45°F) and a pleasant average of 15°C (59°F), days can still feel warm, peaking at a comfortable 24°C (76°F). This gradual cool-down is a stark contrast to the balmy highs of summer, signaling the onset of cozy sweater weather while still allowing for outdoor activities. As the days shorten, the temperature reflects a shift toward the crispness of fall, evident in the changing colors of the landscape. Overall, September is a perfect time to enjoy the lingering warmth before the chill of autumn fully sets in.
September in Liverpool is a month where the skies seem to open up, bringing an average precipitation of 135 mm (5.3 in), making it the wettest month of the year so far. With rainfall spread over 17 days, the city often finds itself under a persistent blanket of clouds. This trend continues from the heavier rainfall in August, leading to a noticeable uptick in precipitation compared to the previous months and hinting at the increasingly gloomy autumn ahead. As October approaches, precipitation is expected to increase even further, reaching 140 mm (5.5 in), showcasing Liverpool’s reputation for its capricious and moist climate.
As autumn ushers in a slight shift in weather patterns, September in Liverpool experiences a noticeable dip in humidity compared to the summer months, with an average of 85%. This transition reflects a gradual decline from the highs of July and August, where humidity hovered around 78-79%. While September is more humid than the springtime months, it still stands out as a brief respite before the winter months, which return to higher humidity levels, peaking at 90% in October. Overall, the city's humidity trends illustrate a clear cycle, characterized by elevated moisture during the colder months and a mild reduction as summer fades into fall.
In September, Liverpool experiences a moderate UV Index of 5, marking a decline from the very high levels seen in the summer months of June and July. With an exposure category that encourages caution, individuals should be mindful of their burn time, which averages around 30 minutes. Following the peak UV months of May through August, where protection becomes increasingly crucial, September offers a slight reprieve while still reminding residents and visitors to take care under the sun. This moderate level is a signal to enjoy the early autumn weather while still being aware of potential sun exposure. For more detailed information, check out the Liverpool UV Index.
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September in Liverpool ushers in plenty of sunshine, with an impressive 299 hours of sun illuminating the city. While this is a dip from the sun-drenched July and May, it still stands as a strong contributor to the overall annual figures. The fading summer warmth lingers, offering a delightful transition into autumn. This month's sunny hours are significantly brighter than the winter months, where sunshine diminishes to a modest 100 hours in December. As the vibrant seasons change, September serves as a reminder of the summer's generosity, providing ample opportunity to enjoy the beautiful parks and waterfronts before the chill sets in.
As September rolls into Liverpool, the likelihood of basking in sunny weather remains modest at 24%—a slight dip compared to the more promising spring months like April. This trend showcases a pattern where the summer months retain the highest chances of sunshine, with July peaking at 37%. While September's sunshine probability is marginally better than the dreary autumn months that follow, notably October's 20%, it does highlight that the warm allure of summer is beginning to fade. Overall, while the skies may not be predominantly bright, Liverpool still offers moments of sunshine in this transitional month, inviting residents and visitors alike to take advantage of the fleeting warmth.
In September, Liverpool enjoys a modest reduction in daylight, as the sun graces the city for about 12 hours each day. This marks a gentle shift from the long, sun-drenched days of summer, peaking in June and July with 16 hours of daylight. As autumn approaches, daylight gradually wanes, yet September still offers a comfortable balance, bridging the gap between the vibrant summer months and the early onset of winter's shorter days. This transition not only highlights the rhythm of the seasons but also hints at the cozy, golden hues of fall that will soon envelop the city.
As September rolls into Liverpool, the wind begins to shift, offering a gentle respite after the summer months. With an average wind speed of 4.1 m/s (9 mph), the September breeze is noticeably milder than in the preceding months, continuing the trend of decreasing winds observed from mid-summer onward. This marks a subtle transition, as the city prepares for the brisker gusts of autumn. In fact, the wind speeds begin to rise again in October, reaching 6.1 m/s (14 mph), hinting at the change in seasons ahead. Overall, September's winds carry a hint of warmth while also foreshadowing the invigorating breezes that autumn will bring.
The weather in Liverpool 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 Liverpool and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to an average of 15°C (59°F) and can peak at 24°C (76°F), making it notably warmer. The month experiences significant precipitation, totaling 135 mm (5.3 in) over 17 days, and an average humidity of 85%. In contrast, January is much colder, with temperatures ranging from -1°C (31°F) to a maximum of 14°C (57°F), averaging around 6°C (43°F). The precipitation in January is lower at 93 mm (3.7 in) over 14 days, while humidity slightly increases to 89%. For more detailed information on January conditions, you can check Liverpool weather in January.
In comparing the weather between September and February, we see a stark contrast in temperatures and conditions. September typically enjoys milder temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 24°C (76°F), with an average of around 15°C (59°F). However, it also brings considerable rainfall, averaging 135 mm (5.3 in) over 17 days, alongside high humidity levels of 85%. In contrast, February is much colder, with temperatures dropping to a minimum of -3°C (28°F) and an average of just 6°C (43°F), peaking at a maximum of 14°C (58°F). While it experiences slightly less precipitation at 102 mm (4.0 in) over 16 days, the humidity is a tad higher at 88%. For a more detailed look at February's weather, you can check out Liverpool weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a pleasant maximum of 24°C (76°F), with an average of 15°C (59°F). This month sees significant precipitation, totaling 135 mm (5.3 in) over 17 days, and humidity levels are relatively high at 85%. In contrast, March experiences cooler temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 17°C (64°F), with an average of only 7°C (45°F). Although March has slightly less precipitation at 105 mm (4.2 in) over the same number of rainy days, humidity remains similar at 86%. For more information on Liverpool's weather during March, you can explore Liverpool weather in March.
When comparing the weather between September and April, September generally features milder temperatures, with a minimum of 7°C (45°F) and an average of 15°C (59°F), while April has a cooler minimum of just 1°C (35°F) and an average of 9°C (48°F). The maximum temperatures in September can reach up to 24°C (76°F), whereas April sees a maximum of 20°C (69°F). Additionally, September experiences higher precipitation levels, with 135 mm (5.3 in) spread over 17 days, compared to April's 53 mm (2.1 in) over 10 days. Humidity levels are relatively similar, with September at 85% and April slightly lower at 84%. For more detailed insights, you can refer to Liverpool weather in April.
In comparing the weather between September and May, notable differences emerge. September typically experiences warmer temperatures, with average highs reaching 24°C (76°F) compared to May's maximum of 23°C (74°F). However, May boasts slightly cooler minimum temperatures, averaging 4°C (39°F) versus September's 7°C (45°F). Additionally, September is marked by higher precipitation, accumulating 135 mm (5.3 in) over 17 days, while May sees less rain at 64 mm (2.5 in) across 13 days, making it the drier month. The humidity levels are also higher in September at 85%, compared to 79% in May. For more details, you can check Liverpool weather in May.
September and June share similar average temperatures, hovering around 15°C (59°F), but their overall feel varies significantly. September experiences slightly cooler minimum temperatures, dipping to 7°C (45°F), while June starts a bit warmer at 9°C (48°F) and boasts a higher maximum temperature of 26°C (78°F) compared to September's 24°C (76°F). Additionally, September brings more precipitation, with 135 mm (5.3 in) over 17 days, compared to June's 107 mm (4.2 in) across 14 days, resulting in a moister atmosphere reflected in September's higher humidity of 85% compared to June's 81%. For a closer look at June's weather patterns, check out Liverpool weather in June.
When comparing the weather in September to that of July, notable differences emerge in both temperature and precipitation. September generally experiences cooler temperatures, with minimums dropping to 7°C (45°F) and averages around 15°C (59°F), while July enjoys warmer conditions, not dropping below 11°C (51°F) and averaging 17°C (62°F). Additionally, July has a maximum temperature of 27°C (80°F), compared to September's peak of 24°C (76°F). Although both months have similar days of precipitation, September sees a higher total rainfall of 135 mm (5.3 in) across 17 days, compared to July's 107 mm (4.2 in) over 16 days. Humidity levels are also slightly higher in September, averaging 85%, compared to 78% in July. For more detailed information, you can check Liverpool weather in July.
In comparing the weather of September and August, we see a notable shift towards cooler temperatures and increased precipitation. September experiences a minimum temperature of 7°C (45°F), dipping lower than August's 10°C (50°F), and an average temperature of 15°C (59°F) compared to August's 16°C (62°F). The maximum temperature in September also falls slightly to 24°C (76°F), while August sees a higher peak of 26°C (79°F). Moreover, September is characterized by increased rainfall, with 135 mm (5.3 in) over 17 days, whereas August sees 132 mm (5.2 in) of rain across 21 days. Humidity levels are also higher in September at 85%, compared to August’s 79%. For more details about the weather in August, you can visit Liverpool weather in August.
September typically offers milder temperatures, with an average of 15°C (59°F) and highs reaching 24°C (76°F). However, it's also marked by considerable rainfall, with precipitation occurring on 17 days and totaling 135 mm (5.3 in). In contrast, October brings cooler conditions, evident in a lower average temperature of 12°C (54°F) and maximums of 20°C (68°F). The month sees a slight increase in precipitation to 140 mm (5.5 in) over 20 days, along with higher humidity levels at 90%. For more detailed insights, you can check Liverpool weather in October.
September and November present notably different weather patterns. September is generally milder, with average temperatures ranging from 7°C (45°F) to a maximum of 24°C (76°F), while November sees cooler temperatures, with a range of 0°C (33°F) to 16°C (61°F) and an average of just 9°C (48°F). September typically experiences more sunshine and less humidity, averaging around 85%, compared to November's higher humidity level of 91%. Precipitation is slightly less in September, totaling 135 mm (5.3 in) over 17 days, compared to November's 124 mm (4.9 in) across 20 days, highlighting the onset of wetter conditions as autumn progresses. For more detailed information on November weather, you can visit Liverpool weather in November.
September and December showcase a stark contrast in weather conditions. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F), providing a relatively mild climate. In contrast, December brings colder temperatures, with a minimum of 0°C (32°F), an average of 7°C (45°F), and a maximum of 13°C (55°F). Both months experience significant precipitation, with September seeing 135 mm (5.3 in) over 17 days and December slightly wetter at 142 mm (5.6 in) across 20 days. Additionally, December has a higher humidity level of 89%, compared to September's 85%. For more detailed insights, you can check Liverpool weather in December.
September in Liverpool marks a transition from the warm summer days to the cooler embrace of autumn. With temperatures averaging around 15°C, this month is distinctively milder compared to the sweltering heights of July and August. However, it also brings increased rainfall, with precipitation occurring on nearly half the days, creating a damp and humid atmosphere, averaging 85% humidity. As the city prepares to welcome the vibrant hues of fall, September is a month of charming unpredictability, offering a blend of mild warmth and the sweet scent of impending change. For a more in-depth understanding of the city’s weather patterns, check out Liverpool Climate.