Last updated: March 17, 2025
September in Bognor Regis, United Kingdom showcases a delightful transition from summer to autumn. With maximum temperatures reaching 23°C (74°F) and an average of 16°C (62°F), the weather remains pleasantly mild for outdoor activities. Nights cool down to a minimum of 9°C (49°F), inviting cozy evenings. However, this month also brings some moisture, with a total precipitation of 61 mm (2.4 in) spread over 10 days, resulting in an average humidity level of 82%. Embrace the charm of September in Bognor Regis, where the blend of warm days and fresh coastal air sets the stage for autumn's arrival.
In Bognor Regis, September marks a delightful transition into autumn, offering a pleasant blend of lingering summer warmth and the crispness of fall. With minimum temperatures averaging around 9°C (49°F) and maximums reaching up to 23°C (74°F), the month retains a comfortable warmth that is perfect for outdoor activities. The average temperature sits at a mild 16°C (62°F), providing an inviting atmosphere for beach strolls or coastal picnics. This month showcases a gradual decline from the heights of summer, with temperatures hinting at the approaching chill of October, yet still allowing for enjoyable sunny days. As Bognor Regis dons its early autumn hues, the climate remains a wonderful invitation to experience the seaside charm before the cooler season truly sets in.
In September, Bognor Regis experiences moderate precipitation, with an average of 61 mm (2.4 in) falling over the month. This is a noticeable decrease from the wetter conditions of August when 83 mm (3.3 in) were recorded. The month brings about 10 days of rainfall, signaling the transition into autumn. As the year progresses, September's precipitation prepares the landscape for the more intense rainfall typical of the upcoming months, particularly October, which averages a substantial 126 mm (5.0 in). This trend highlights a shift from summer's sporadic showers to the more persistent and heavier downpours of fall, making September a vital month for the region's weather narrative.
In September, Bognor Regis experiences a noticeable rise in humidity, reaching 82% as summer begins to fade. This increase follows a dip to 71% in July and a moderate 76% in August, reflecting the transitional nature of the season. As the days grow shorter and temperatures cool, the humidity creeps back up, hinting at the wetter months ahead. Notably, September's humidity is significantly lower than the winter peak of 90% in October and a staggering 92% in both November and December, creating a refreshing yet damp environment that characterizes the British coastal autumn.
As September rolls into Bognor Regis, residents can expect a UV Index of 6, falling within the high exposure category. This marks a slight decline from the peak summer months but still necessitates mindful sun protection, with a recommended burn time of just 25 minutes. The transition from the very high levels of June and July to a high index this month highlights the gradual shift towards autumn while reminding sun-seekers that UV rays can still pose a risk even as the temperature begins to drop. For those planning outdoor activities, it's essential to remain vigilant, ensuring you take the necessary precautions to enjoy the lingering warmth of late summer safely. For more detailed information, visit Bognor Regis UV Index.
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September in Bognor Regis offers a delightful blend of summer warmth and gentle autumn breezes, contributing to an impressive 322 hours of sunshine. As the days begin to shorten, this month still shines brightly compared to the colder months ahead, showing a significant decline from the peak of 424 hours in July, yet remaining notably robust against the January gloom with just 105 hours. This transition reflects a seasonal shift, where the remnants of summer linger, allowing visitors to enjoy outdoor activities amidst a backdrop of early autumn colors. While the sunshine tapers off from the grandeur of summer, September’s charm lies in its mild days that invite leisurely strolls along the coast, making it a perfect time to relish the last vestiges of sun before the winter sets in.
In Bognor Regis, the likelihood of sunny weather in September stands at 37%, marking a notable shift as summer transitions into autumn. This month experiences a slight uptick compared to the preceding August (35%) while staying above the percentages recorded in the cooler months like October (31%) and January (21%). Interestingly, September's score falls just short of the peak April figure of 58%, suggesting that while the summer sun may be waning, there are still ample opportunities for clear skies. As temperatures begin to cool, those enjoying the last of the summer's warmth can take comfort that September still offers a decent chance for sunny days, bridging the gap between the vibrant summer and the crisp onset of autumn.
As summer fades into autumn, September in Bognor Regis marks a transition with its 12 hours of daylight. Following the longest days of summer, where June boasts an impressive 16 hours, the daylight gradually decreases, creating a slower descent into the shorter days of fall. After basking in the 15 hours of daylight in July and 14 in August, September offers a gentle reminder that the longer days are giving way to the crispness of autumn, as daylight begins to mirror the 10 hours seen in October. This trend not only highlights the shifting seasons but also invites residents and visitors to make the most of the daylight while it lasts, basking in the warm glow of early autumn sunshine.
As September rolls into Bognor Regis, the average wind speed settles at a gentle 5.2 m/s (12 mph), marking a transition into calmer autumnal breezes. This slight dip follows the summer peak, where July and August saw winds reaching up to 5.8 m/s (13 mph), creating pleasant beach days. Historically, September tends to maintain a moderation in the wind, comparable to April, which also experiences 5.2 m/s (12 mph). This pattern reflects a gradual shift from the brisk winds of earlier months, like January's 7.1 m/s (16 mph) and February's 7.5 m/s (17 mph), paving the way for the cooler, more spirited winds of October. Overall, the September winds provide a delightful backdrop for outdoor activities as the seasons change, inviting both locals and visitors to enjoy the picturesque seaside.
The weather in Bognor Regis 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 Bognor Regis and find detailed weather information for every month.
In comparing the weather between September and January, one can see a noticeable shift in temperature and conditions. September tends to be milder, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 23°C (74°F), making it a comfortable month for outdoor activities. In contrast, January is much cooler, with average temperatures between 1°C (33°F) and 13°C (55°F), adding a chill to the air. Additionally, while both months experience precipitation, January has slightly more rainfall at 75 mm (2.9 in) over 12 days compared to September’s 61 mm (2.4 in) over 10 days. January is also characterized by higher humidity levels, reaching 91% compared to September's 82%. For more detailed insights, you can refer to Bognor Regis weather in January.
September and February present two distinct weather experiences. In September, temperatures range from a minimum of 9°C (49°F) to a pleasant maximum of 23°C (74°F), with an average of 16°C (62°F). The month sees about 61 mm (2.4 in) of rainfall over approximately 10 days, with humidity levels at a comfortable 82%. In contrast, February is much cooler, with temperatures dipping to a minimum of -2°C (29°F) and peaking at just 12°C (54°F), averaging around 7°C (45°F). It is also wetter, receiving 82 mm (3.2 in) of precipitation across 13 days and a higher humidity of 89%. For a detailed breakdown of the February weather, you can check Bognor Regis weather in February.
September and March present contrasting weather conditions, with September generally warmer and milder. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 23°C (74°F), while March sees a chillier range from -2°C (29°F) to 13°C (56°F). Precipitation is also notable; September experiences 61 mm (2.4 in) over 10 days, whereas March has slightly more at 73 mm (2.9 in) across 14 days, resulting in a wetter atmosphere. Additionally, humidity levels are higher in March at 86% compared to 82% in September. For more specific information about weather in this period, you can check out Bognor Regis weather in March.
September and April offer contrasting weather experiences. In September, temperatures range from a minimum of 9°C to a maximum of 23°C, averaging around 16°C. The month sees more precipitation, totaling 61 mm over approximately 10 days, and maintains a humidity level of 82%. In contrast, April features cooler temperatures, with a minimum of 2°C and a maximum of 17°C, averaging only 9°C. This month is relatively drier, recording 31 mm of rainfall over about 6 days, and a slightly higher humidity of 85%. For further details, you can check Bognor Regis weather in April.
September and May present distinct weather patterns, with September generally being warmer and slightly more humid. In September, temperatures range from a chilly minimum of 9°C (49°F) to a pleasant maximum of 23°C (74°F), while May features cooler temperatures, peaking at 20°C (68°F) with a minimum of 5°C (42°F). Precipitation levels are somewhat comparable, with September receiving 61 mm (2.4 in) and May totaling 51 mm (2.0 in), both occurring over 10 days. Humidity is also slightly higher in September at 82% compared to May’s 79%. For more details on May weather, you can check Bognor Regis weather in May.
In September, the weather tends to be slightly warmer than in June, with average temperatures reaching 16°C (62°F) compared to June's average of 15°C (60°F). While September sees a maximum temperature of 23°C (74°F), June's peak is a bit lower at 22°C (72°F). However, September experiences a bit more precipitation, accumulating 61 mm (2.4 in) over 10 days, while June has 70 mm (2.8 in) over just 9 days. Humidity levels are similar in both months, with September at 82% and June at 80%. For more detailed information, you can check Bognor Regis weather in June.
When comparing the weather in September and July, a few notable differences emerge. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 23°C (74°F), with an average of 16°C (62°F). This month experiences slightly higher precipitation, totaling 61 mm (2.4 in) over about 10 days, and has increased humidity at 82%. In contrast, July showcases warmer minimum temperatures starting at 13°C (55°F) and maintains a similar maximum of 23°C (74°F), yet with a slightly lower average of 18°C (64°F). Precipitation in July is slightly less, at 59 mm (2.3 in) over 11 days, and the humidity is lower at 71%. For more detailed information, check out Bognor Regis weather in July.
In comparing the weather between August and September, September generally brings cooler temperatures, with minimums dipping to 9°C (49°F) compared to August's 12°C (53°F). The average temperature in September is 16°C (62°F), slightly lower than August's average of 18°C (64°F), and September's maximum temperature reaches 23°C (74°F), which is also a bit less than August's high of 25°C (77°F). Precipitation increases in September, with 61 mm (2.4 in) falling over about 10 days, while August sees slightly more rain at 83 mm (3.3 in) across 12 days. Additionally, humidity is higher in September at 82%, compared to 76% in August. For more detailed information about August weather, check Bognor Regis weather in August.
September generally offers milder temperatures, with averages around 16°C (62°F) and maxima reaching up to 23°C (74°F). In contrast, October sees a drop in temperatures, averaging 14°C (57°F) and peaking at 20°C (68°F). Additionally, October is noticeably wetter, with precipitation totaling 126 mm (5.0 in) over 16 days, compared to September's 61 mm (2.4 in) over 10 days. Humidity also rises in October to 90%, up from September's 82%. For more detailed weather insights, check out Bognor Regis weather in October.
September generally offers milder weather compared to November, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 23°C (74°F) and an average of 16°C (62°F). In contrast, November sees a significant drop in temperatures, with a minimum of 2°C (35°F) and an average of only 10°C (51°F), peaking at 16°C (61°F). Precipitation is also higher in November, accumulating to 98 mm (3.9 in) over 16 days, compared to September's 61 mm (2.4 in) over 10 days. Additionally, November experiences increased humidity at 92%, up from September's 82%. For more detailed information, you can visit Bognor Regis weather in November.
September and December present distinctly different weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a comfortable maximum of 23°C (74°F), with an average of 16°C (62°F). The month also experiences a moderate level of precipitation at 61 mm (2.4 in) over approximately 10 days, accompanied by a humidity level of 82%. In contrast, December sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of only 13°C (56°F) while averaging around 8°C (47°F). Additionally, December is significantly wetter, receiving 131 mm (5.2 in) of precipitation across 17 days and a higher humidity of 92%. For a more detailed look at the December weather, check out Bognor Regis weather in December.
As summer fades, September in Bognor Regis ushers in a delightful transition to cooler temperatures, with an average temperature that reflects the gentle shift from warm to mild. While still retaining a few sunny days, the month also introduces a noticeable increase in humidity and a bit more rain, evident with around 10 days of precipitation. This blend of warmth and moisture creates a unique atmosphere, perfect for enjoying the lingering outdoor activities while preparing for the autumn chill. For those interested in a more detailed understanding of how September compares to other months, check out the complete overview at Bognor Regis Climate.