Last updated: March 17, 2025
September in Lancaster, United Kingdom, showcases a mild yet variable climate, marked by a maximum temperature reaching 26°C (80°F). The average temperature hovers around a comfortable 14°C (57°F), while cooler nights dip to a minimum of 4°C (39°F). Visitors can expect a relatively wet month, with 127 mm (5.0 in) of rainfall spread over 16 days, contributing to a humidity level of 85%. This transitional period from summer to autumn offers a blend of warmth and refreshing rains, highlighting Lancaster's unique charm as the season changes.
As September unfolds in Lancaster, the transition from summer to autumn is evident in the temperatures. With minimums around 4°C (39°F) and an average of 14°C (57°F), the chill of early autumn begins to replace the warm summer days. Max temperatures can reach a pleasant 26°C (80°F), providing lingering warmth for outdoor activities. This month marks a significant dip from the sweltering heat of July and August, yet it still holds onto the remnants of summer, making September a delightfully transitional time. As the days grow shorter and the air crisper, residents can start to enjoy the cozy charm of fall without the harshness of winter just yet.
In September, Lancaster experiences a notable increase in precipitation, with an average of 127 mm (5.0 in) of rain falling over 16 days. This month marks a transition from the drier summer months, particularly compared to July and August, which see similar precipitation levels but with more rain days. September's rainfall is a significant precursor to the wetter fall months ahead, especially as October averages an even higher 161 mm (6.4 in). This trend highlights Lancaster's shift from the warmth of summer to the cooler, wetter autumn, setting the stage for the months laden with rainfall.
As summer transitions to autumn, September in Lancaster experiences a rise in humidity, reaching 85%—a noticeable increase from the drier months of July and August, which average around 78-79%. This shift heralds the approach of the wetter season, with humidity gradually climbing towards the year's peak in the colder months, marked by 90% in October and 91% in November. While September offers a taste of autumn's coziness, its heightened moisture serves as a reminder of the prevailing damp climate characteristic of Lancaster, suggesting that sweater weather is not far behind.
As September arrives in Lancaster, the UV Index drops to 5, indicating a moderate exposure category with a burn time of 30 minutes for unprotected skin. This shift follows the peak summer months, where June and July recorded UV Index values of 8, classified as very high, necessitating heightened sun protection measures. August sees a slight decrease to 7, but September reins in the intensity, signaling the end of summer. As the days grow shorter and temperatures cool, it's essential to remain mindful of sun exposure, especially during midday hours. For more detailed insights, check out the Lancaster UV Index.
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September in Lancaster, United Kingdom, shines with an impressive 302 hours of sunshine, marking a delightful transition from the vibrant summer months. As the days begin to shorten, this month boasts more sunlight than the cooler October and the dreary November, which sees just 120 hours and 100 hours respectively. Following the peak of summer, July's average of 416 hours, September retains a significant amount of light, leading up to the autumnal shift. The consistent decline in sunshine hours from May to October paints a clear picture of the waning warmth, yet September offers a splendid blend of summer's embrace and the crisp beginnings of fall, making it a particularly enchanting time in Lancaster.
In Lancaster, United Kingdom, the likelihood of sunny weather in September is relatively low, with only a 21% chance of sun. This trend aligns closely with the previous months of late summer, where August saw a marginally better chance at 25%. As the seasons shift into autumn, the chances of sunshine decline further, reflecting the overall pattern that beginning in October, the likelihood dips to 16%. It’s clear that while September maintains a slim opportunity for sun, the chances are diminishing as the year progresses, setting the stage for the chillier, cloudier months ahead.
As summer gives way to autumn, September in Lancaster, United Kingdom, offers a gentle transition with 12 hours of daylight. This month marks a noticeable shift from the sun-drenched days of summer, where June dazzles with 17 hours, to the shorter, crisper days that characterize the coming months. Throughout September, the daylight slowly begins to wane, yet the glow of the setting sun still lingers longer than in October, which sees a dip to 10 hours. This gradual decrease in light highlights a rhythm of nature, where each season gracefully prepares the next, making September a delightful midpoint that balances fading summer warmth with the crisp anticipation of autumn.
As September rolls into Lancaster, the transition from summer to autumn is marked by a gentle breeze, with average wind speeds reaching 3.6 m/s (8 mph). This slight uptick from the languid July and August winds reflects the seasonal shift, where the air begins to carry the crispness of fall. Compared to the earlier months, September's winds remain subtle yet invigorating, just a precursor to the stronger gusts that will accompany October, which typically sees an increase to 5.3 m/s (12 mph). Overall, September is characterized by a delicate balance, inviting locals and visitors alike to enjoy the mild breezes as they prepare for the more formidable winds of autumn.
The weather in Lancaster 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 Lancaster and find detailed weather information for every month.
September and January present distinctly different weather patterns. In September, temperatures range from a mild 4°C (39°F) to a warm 26°C (80°F), with an average of 14°C (57°F). The month sees significant precipitation, totaling 127 mm (5.0 in) over 16 days, and humidity is relatively high at 85%. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid -3°C (27°F) to a maximum of 13°C (56°F), averaging just 5°C (41°F). While January has less precipitation at 92 mm (3.6 in) across 13 days, humidity slightly increases to 89%. For more detailed information, you can visit Lancaster weather in January.
In September, the weather typically features a mild average temperature of 14°C (57°F), with daytime highs reaching up to 26°C (80°F) and lows around 4°C (39°F). The month experiences around 127 mm (5.0 in) of precipitation over 16 days, along with a humidity level of 85%. In contrast, February presents a cooler climate, with an average temperature of 6°C (42°F) and maximums of 17°C (63°F). The minimum temperature can dip to -4°C (25°F) and precipitation slightly increases to 135 mm (5.3 in) over 17 days, accompanied by a higher humidity of 88%. For those interested in more detailed information, check out Lancaster weather in February.
September and March present contrasting weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 26°C (80°F), with an average of 14°C (57°F). The month experiences about 127 mm (5.0 in) of precipitation over 16 days, coupled with high humidity at 85%. In contrast, March sees much cooler temperatures, with a minimum of -5°C (24°F), an average of 6°C (44°F), and a maximum of 17°C (63°F). Precipitation is slightly less, at 124 mm (4.9 in) across 17 days, with humidity slightly higher at 86%. For more details on March weather, visit Lancaster weather in March.
When comparing the weather in September and April, notable differences emerge despite their similar humidity levels. September boasts a warmer temperature range, with minimums around 4°C (39°F) and maximums reaching up to 26°C (80°F), while April is cooler, featuring minimums of -2°C (29°F) and maximums of 21°C (70°F). Additionally, September experiences significantly more rainfall, totaling 127 mm (5.0 in) over 16 days, compared to April's 51 mm (2.0 in) over 9 days. This distinction highlights September's transition into autumn, making it a wetter and warmer month than the crisp beginnings of April. For detailed insights into April weather, you can visit Lancaster weather in April.
September and May offer distinct weather experiences. In September, temperatures range from a chilly 4°C (39°F) to a warm 26°C (80°F) with an average of 14°C (57°F). This month is characterized by higher precipitation, totaling 127 mm (5.0 in) over 16 days, and a notable humidity level of 85%. In contrast, May features milder temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (78°F), averaging around 11°C (53°F). Precipitation is significantly lower at 65 mm (2.6 in) across 12 days, coupled with a slightly lower humidity of 79%. For a more detailed look at May's conditions, visit Lancaster weather in May.
When comparing the weather in September to that of June, we observe some notable differences. September typically experiences a slightly broader temperature range, with minimums around 4°C (39°F) and maximums reaching 26°C (80°F), while June's temperatures are marginally higher, starting at 6°C (44°F) and peaking at 27°C (81°F). Both months have a similar average temperature of around 14-15°C (57-59°F). Regarding precipitation, September sees more rainfall at 127 mm (5.0 in) over 16 days compared to June's 109 mm (4.3 in) across the same number of days. Humidity levels are also slightly higher in September at 85%, compared to June's 81%. For more detailed insights, you can visit this link: Lancaster weather in June.
In comparing the weather of September and July, we can see some notable differences. September experiences lower temperatures, with a minimum of 4°C (39°F) and an average of 14°C (57°F), compared to July's milder minimum of 7°C (45°F) and an average of 16°C (61°F). Additionally, July boasts higher maximum temperatures, reaching up to 30°C (86°F), while September's maximum is slightly cooler at 26°C (80°F). Precipitation levels are relatively similar, with September recording 127 mm (5.0 in) over 16 days and July slightly lower at 109 mm (4.3 in) across 15 days. Notably, September also has higher humidity at 85%, compared to July's 78%. For more details on July weather, you can visit Lancaster weather in July.
In September, the weather tends to be cooler compared to August, with minimum temperatures dropping to 4°C (39°F) and average temperatures at 14°C (57°F), while August experiences warmer conditions with minimums starting at 8°C (46°F) and averages around 16°C (61°F). August also boasts slightly higher maximum temperatures, peaking at 28°C (83°F), compared to September's maximum of 26°C (80°F). Precipitation is more abundant in September, with 127 mm (5.0 in) over 16 days, while August records 153 mm (6.0 in) across 20 days, suggesting more frequent but lighter showers as the summer months draw to a close. Interestingly, September holds higher humidity levels at 85% compared to August’s 79%, contributing to a more muggy feel despite lower temperatures. For more detailed insights on August, visit Lancaster weather in August.
September and October present a notable transition in weather patterns. In September, temperatures range from a mild 4°C (39°F) to a comfortable high of 26°C (80°F), averaging 14°C (57°F), while precipitation totals 127 mm (5.0 in) over 16 days. The month is characterized by high humidity at 85%. In contrast, October brings cooler temperatures with a minimum of -1°C (31°F), an average of 11°C (52°F), and a maximum of 21°C (70°F). Rainfall increases to 161 mm (6.4 in) on 20 days, and humidity rises slightly to 90%. For a detailed look at the weather specifics, check out Lancaster weather in October.
September and November exhibit distinct differences in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 26°C (80°F), with an average of 14°C (57°F). This month also experiences significant rainfall, totaling 127 mm (5.0 in) over 16 days, paired with a humidity level of 85%. In contrast, November brings cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 15°C (60°F), leading to an average temperature of just 8°C (47°F). The month sees slightly less rainfall at 119 mm (4.7 in) but more frequent precipitation over 19 days, along with increased humidity at 91%. For further details about the weather in November, you can refer to Lancaster weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a mild minimum of 4°C (39°F) to a pleasant maximum of 26°C (80°F), with an average of 14°C (57°F). This month experiences a total precipitation of 127 mm (5.0 in) over 16 days, and the humidity hovers around 85%. In contrast, December is significantly colder, with temperatures dipping to a minimum of -5°C (24°F) and an average of 6°C (43°F), reaching a maximum of 13°C (55°F). December also sees a slight increase in precipitation, totaling 140 mm (5.5 in) across 18 days, and higher humidity at 89%. For more detailed insights into December weather, check out Lancaster weather in December.
As September rolls in, Lancaster experiences a transition that sets it apart from the summer months. The temperatures start to cool down significantly, creating a refreshing atmosphere after the heat of August. With average daily temperatures resting at a comfortable level, the crispness in the air hints at the approaching autumn. However, this month also brings increased precipitation, with more rainy days than the summer, contributing to the lush, vibrant landscape typical of this time of year. The humidity lingers, giving the air a heavier feel, perfect for cozy sweaters and warm drinks. For a deeper dive into how Lancaster's weather evolves throughout the year, explore Lancaster Climate.