Last updated: March 17, 2025
September in Saint Leonards-on-Sea, United Kingdom offers a pleasant transition from summer to autumn. With maximum temperatures reaching 22°C (71°F) and an average of 16°C (62°F), the weather invites outdoor exploration. However, prepare for some rain, as 11 days see precipitation totaling 66 mm (2.6 in), contributing to a humidity level of around 80%. This blend of warmth and moisture enhances the vibrant coastal scenery, making it an ideal time for visitors to enjoy the town's charm.
As summer transitions to autumn, September in Saint Leonards-on-Sea offers a delightful balance of mild temperatures. With daily highs typically reaching 22°C (71°F) and average temperatures settling around 16°C (62°F), this month provides a comfortable climate for outdoor activities. The minimum temperatures also reflect a gentle decline, averaging 10°C (50°F)—warm enough to enjoy lingering evenings by the coast. Compared to the heights of summer, September marks a gradual cooldown while still retaining a pleasant warmth, making it an ideal time for visitors to explore the seaside charm and beautiful landscapes of this picturesque coastal town.
In September, Saint Leonards-on-Sea experiences an average precipitation of 66 mm (2.6 in), mirroring the rainfall levels of August. This month typically sees 11 days of rain, continuing the trend of relatively consistent moisture as summer transitions to fall. Notably, the overall precipitation begins to rise in the following months, with October expected to deliver a significantly wetter climate, averaging 129 mm (5.1 in). This increase in rainfall foreshadows the shift to winter, where the monthly totals peak in December at 146 mm (5.8 in). Thus, September serves as a bridge between the drier summer months and the wetter autumn and winter periods, maintaining a balanced rhythm of precipitation in this picturesque coastal town.
In September, Saint Leonards-on-Sea experiences a noticeable fluctuation in humidity, averaging a comfortable 80%. This marks a slight increase from the drier summer months of July and August, which recorded 76% and 73% respectively. As autumn approaches, the humidity levels begin to rise again, echoing the patterns seen in earlier months like April and May. This seasonal shift sets the stage for a more humid atmosphere as the region transitions into the wetter months of October and November, where humidity levels soar to 89% and 92%. Overall, September serves as a bridge between the warmth of summer and the dampness of fall, offering a refreshing yet slightly more humid experience for residents and visitors alike.
In September, Saint Leonards-on-Sea experiences a UV Index of 6, placing it in the high exposure category, with a burn time of approximately 25 minutes. This marks a slight decrease from the peak levels observed in the summer months of July and August, which boasted a UV Index of 8 and 7, respectively. However, September still calls for caution as the sun remains potent, particularly as the days begin to shorten. Following a gradual decline from the summer highs, this month serves as a reminder that while autumn approaches, sun protection remains essential. For more information on UV levels throughout the year, check out Saint Leonards-on-Sea UV Index.
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September in Saint Leonards-on-Sea marks a delightful transition as summer edges towards autumn. With 327 hours of sunshine, this month enjoys a notable warmth that lingers from the peak of summer, where July recorded the highest at 428 hours. As the days shorten, September still offers a vibrant sun-filled escape, eclipsing the gloomy winter months ahead, which average just 162 hours in November. The trend of increasing daylight from the beginning of the year peaks between May and July, showcasing the region's lush and sun-kissed charm. Visitors in September can relish the tail-end of summer's sparkle while avoiding the crowds, making it an ideal time to experience the coastal beauty of this seaside town.
As September rolls in, the chance of sunny weather in Saint Leonards-on-Sea stands at 39%, marking a slight dip from the summer months but still offering a pleasant opportunity for outdoor activities. This month typically showcases the tail end of the sunny season, where the warmth from August lingers, albeit less consistently. In comparison to the earlier months of the year, such as March with 42% and April peaking at 58%, September holds its own with a respectable likelihood of sunshine. Although it may not boast the highest chances of clear skies, it certainly remains a desirable time to soak up the fading summer rays amid the picturesque seaside charm.
As September unfolds in Saint Leonards-on-Sea, the daylight hours begin their gentle decline, offering approximately 12 hours of light each day. This transition marks a shift from the vibrant brightness of summer, where June boasts a peak of 16 hours, gradually tapering off to the 14 hours enjoyed in August. The shortening days of fall remind us of nature’s rhythm as it prepares for the long winter months ahead. With daylight dwindling to 10 hours by October, September serves as a bittersweet bridge, blending the lingering warmth of summer with the crisp onset of autumn.
As summer gently gives way to autumn, September in Saint Leonards-on-Sea showcases a noticeable shift in wind dynamics. The average wind speed drops to 5.7 m/s (13 mph), marking a decline from the breezy summer months, particularly when compared to the robust 6.4 m/s (14 mph) of August. This transition reflects a gradual calming of the winds as the region prepares for the gustier conditions of fall. Yet, as October approaches, a resurgence is anticipated, with winds expected to pick up again, reminiscent of the stronger gales seen earlier in the year. Overall, September stands as a bridge between the high-energy summer breezes and the invigorating autumn winds, offering a tranquil yet refreshing experience for residents and visitors alike.
The weather in Saint Leonards-on-Sea 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 Saint Leonards-on-Sea and find detailed weather information for every month.
September and January exhibit quite distinct weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 22°C (71°F), with an average of 16°C (62°F). This month experiences moderate rainfall, totaling 66 mm (2.6 in) over about 11 days, and a comfortable humidity level of 80%. In contrast, January is significantly colder, with temperatures ranging from 1°C (34°F) to 13°C (55°F) and an average of just 7°C (45°F). It sees a slightly higher rainfall of 79 mm (3.1 in) spread over approximately 13 days, accompanied by increased humidity at 91%. For more detailed information, check out Saint Leonards-on-Sea weather in January.
September and February present contrasting weather patterns that highlight the transition from summer to winter. In September, temperatures range from a mild 10°C (50°F) to a pleasant high of 22°C (71°F), accompanied by an average humidity of 80%. Precipitation is relatively moderate, with 66 mm (2.6 in) occurring over 11 days. On the other hand, February experiences much cooler temperatures, with lows sinking to -1°C (31°F) and highs peaking at 12°C (54°F). This month is also wetter, with precipitation totaling 77 mm (3.0 in) spread across 14 days and a higher humidity of 89%. For more detailed information on the February weather, you can check Saint Leonards-on-Sea weather in February.
In comparing the weather of September and March, notable differences emerge in temperature and conditions. September enjoys a milder climate with minimum temperatures around 10°C (50°F) and maximums reaching 22°C (71°F), while March sees much cooler temperatures, starting as low as -2°C (29°F) and peaking at just 13°C (56°F). Both months experience similar precipitation levels, with September receiving 66 mm (2.6 in) over 11 days and March having slightly less at 65 mm (2.6 in) across 12 days. However, humidity is higher in March at 86% compared to September's 80%. For a closer look at March's weather specifics, visit Saint Leonards-on-Sea weather in March.
The weather in September is generally milder and more temperate compared to April. September sees an average temperature range from 10°C (50°F) to 22°C (71°F), with a more comfortable average of 16°C (62°F). In contrast, April experiences cooler temperatures, averaging between 2°C (37°F) and 15°C (59°F), resulting in a mean of 9°C (49°F). Additionally, September receives more precipitation, with 66 mm (2.6 in) over about 11 days, while April has only 31 mm (1.2 in) over 6 days. Humidity levels are slightly higher in April at 85%, compared to 80% in September. For more detailed insights into April weather, check out Saint Leonards-on-Sea weather in April.
When comparing the weather in September and May, September boasts warmer temperatures, with a minimum of 10°C (50°F) and an average high of 22°C (71°F), whereas May's temperatures range from a minimum of 6°C (43°F) to a maximum of 18°C (65°F). The precipitation in September is slightly higher at 66 mm (2.6 in) over 11 days, compared to May's 51 mm (2.0 in) over 10 days. Both months experience high humidity, with September at 80% and May at 82%. For a more detailed look at May's weather, check out Saint Leonards-on-Sea weather in May.
In comparing the weather between September and June, September tends to feature slightly warmer temperatures, with average highs of 22°C (71°F), compared to June's average max of 23°C (73°F). However, September's minimum temperature of 10°C (50°F) is marginally lower than June's 11°C (51°F). Precipitation levels are also higher in September, with 66 mm (2.6 in) of rain over 11 days, compared to June's 55 mm (2.2 in) over just 8 days. Both months experience high humidity, around 80% in September and 81% in June, creating a moist atmosphere. For a detailed look at June's weather in this charming coastal town, check out Saint Leonards-on-Sea weather in June.
In comparing the weather between September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 22°C (71°F), while July exhibits warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching 25°C (77°F). September also sees a higher average precipitation level of 66 mm (2.6 in), distributed over approximately 11 days, compared to July's 47 mm (1.8 in) over 9 days. Despite the increased rainfall in September, the humidity is only marginally higher at 80% compared to July’s 76%. For more details about July weather, you can check this link: Saint Leonards-on-Sea weather in July.
In comparing the weather between September and August, September presents cooler temperatures with a minimum of 10°C (50°F) and an average of 16°C (62°F), while August is warmer, starting at a minimum of 12°C (54°F) and averaging 18°C (64°F). Both months record similar rainfall, with 66 mm (2.6 in) over 11 days, but September experiences higher humidity at 80% compared to August's 73%. As the summer transitions into autumn, the temperature range narrows in September, making it feel noticeably cooler than the warmer days of August. For more detailed insights, you can check Saint Leonards-on-Sea weather in August.
September generally features milder weather compared to October, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 22°C (71°F). In contrast, October sees temperatures drop slightly, with minimums of 6°C (43°F) and maximums of 20°C (68°F). Precipitation also increases in October, accumulating to 129 mm (5.1 in) over 17 days, compared to September's 66 mm (2.6 in) over 11 days. Notably, the humidity levels in October are higher at 89%, compared to 80% in September, which adds to the overall chill of the month. For a detailed look at the weather conditions, check out Saint Leonards-on-Sea weather in October.
September and November present notable differences in weather conditions. In September, temperatures range from a mild 10°C (50°F) to a pleasant maximum of 22°C (71°F), with an average of 16°C (62°F). The month typically experiences 66 mm (2.6 in) of precipitation over about 11 days, and humidity averages around 80%.
In contrast, November sees a drop in temperatures, with minimums of 3°C (38°F) and a maximum of 17°C (62°F), resulting in a cooler average of 11°C (52°F). The month is wetter, with 121 mm (4.8 in) of precipitation spread over approximately 15 days, and humidity rises to 92%. For a detailed look at November's conditions, you can refer to Saint Leonards-on-Sea weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a mild minimum of 10°C (50°F) to a pleasant maximum of 22°C (71°F), with an average of 16°C (62°F). This month sees approximately 66 mm (2.6 in) of precipitation over 11 days and a humidity level of 80%. In contrast, December brings much cooler conditions, with temperatures dipping to a minimum of 2°C (36°F) and averaging just 9°C (48°F), peaking at 14°C (57°F). Precipitation significantly increases to 146 mm (5.8 in) over 18 days, accompanied by higher humidity at 92%. For more detailed insights on December weather, you can check Saint Leonards-on-Sea weather in December.
As September unfolds in Saint Leonards-on-Sea, its weather offers a gentle transition from the warmth of summer to the crispness of autumn. The average temperatures remain pleasantly mild, creating a comfortable atmosphere for outdoor activities. However, this month is also marked by a notable increase in humidity and occasional rainfall, with precipitation occurring on about a third of the days. While still featuring some sunny spells, September tends to be more unpredictable compared to the preceding summer months, setting the stage for the cooler days ahead. For a deeper exploration of the region's weather patterns, visit Saint Leonards-on-Sea Climate.