Last updated: March 17, 2025
In September, Bath experiences a delightful transition from summer to autumn, with maximum temperatures reaching up to 29°C (84°F), creating the perfect backdrop for outdoor exploration. The average temperature hovers around a comfortable 14°C (58°F), while the nights can dip to a cool 2°C (37°F), reminding visitors of the forthcoming seasonal shift. With 54 mm (2.1 in) of precipitation over 9 days, a bit of rain can be expected, but this only adds to the charm of Bath’s picturesque landscapes. Humidity levels, at 82%, wrap the city in a cozy embrace, making it a unique and refreshing time to experience the rich history and culture that Bath has to offer.
In September, Bath, United Kingdom, experiences a delightful transition as summer gives way to autumn. With minimum temperatures dipping to 2°C (37°F) and averages settling around 14°C (58°F), the month offers a refreshing reprieve from the heat of August. The maximum temperatures reach a pleasant 29°C (84°F), allowing for a few lingering warm days that invite outdoor exploration. This gradual cooling trend signals the end of the warmer season, as residents and visitors alike relish in the vibrant fall scenery beginning to emerge. September in Bath beautifully balances the tail end of summer warmth with the crisp beginnings of autumn, making it an ideal time for leisurely strolls and cultural festivities.
In September, Bath, United Kingdom, experiences a relatively mild precipitation level of 54 mm (2.1 in), accompanied by just 9 days of measurable rain. This marks a slight dip from the wetter summer months, particularly August, which recorded 76 mm (3.0 in) over 13 days. As autumn approaches, the weather begins to shift, with precipitation volumes typically increasing in October to 104 mm (4.1 in), suggesting a trend towards more substantial rainfall as the season progresses. Overall, September serves as a transitional month that bridges the drier summer with the wetter fall, inviting a sense of change in the air while maintaining a pleasantly moderate climate.
As summer fades and autumn approaches, September in Bath, United Kingdom witnesses a shift in humidity levels, settling at a comfortable 82%. This marks an increase from the drier summer months—July and August, where humidity dipped to 71% and 76% respectively. However, it remains significantly lower than the winter months of January and February, which boast high humidity levels of 91% and 89%. This transition signifies a blend of lingering warmth and the crispness of impending fall, making September a time where the air feels refreshingly humid yet not overly oppressive, inviting residents and visitors alike to enjoy the charm of Bath before the chill of winter sets in.
As summer gives way to autumn in Bath, the September UV Index drops slightly to 6, marking a transition to a high exposure category with a burn time of 25 minutes. This signals that while the sun's intensity is still notable, it’s less fierce than the peak levels experienced in July and June, where the index hovered at 8. The month showcases a gradual decline from the heights of summer, yet it remains crucial for residents and visitors to remain cautious and protect their skin during outdoor activities. As you enjoy the changing colors of the season, remember to check the daily UV index for wise sun safety practices. For more detailed information, visit Bath UV Index.
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As summer gracefully transitions into autumn, September in Bath, United Kingdom, shines with an impressive 284 hours of sunlight. This month marks a notable decrease from the vibrant days of July and August—where sunshine peaked at 395 and 347 hours, respectively—but still offers a generous amount of daylight compared to the chillier months ahead. The gradual decline in hours from the summer's zenith provides a serene backdrop as the city prepares for autumn’s embrace. With the warmth of late summer lingering, September allows locals and visitors alike to relish the beauty of Bath, making it a time to savor outdoor moments before the shorter days of October set in, which fall to 231 hours of sunshine.
In Bath, United Kingdom, September offers a modest 26% chance of sunny weather, making it a transitional month as summer fades. This percentage is slightly higher than the peak months of July and August, which see chances of sun at 36% and 25%, respectively. Interestingly, it follows the more optimistic 52% of sunshine in April, highlighting a shift toward cooler, cloudier days as autumn approaches. Overall, while September doesn't boast the brightest forecasts, it still provides opportunities for pleasant, sunny outings amidst the changing season.
As summer gracefully transitions into autumn, September in Bath, United Kingdom, offers a delightful balance of daylight, with 12 hours illuminating the day. Following the peak of 16 hours in June and July, the daylight begins to wane, reflecting the natural rhythm of the seasons. This reduction carries the promise of cozy autumn evenings, yet still allows for ample time to enjoy the vibrant colors of early fall. Compared to the 14 hours of August, September's daylight is a gentle reminder that while summer's warmth is fading, opportunities for outdoor exploration and appreciation of nature remain abundant. The gradual decrease in daylight continues into October, but for now, September strikes a harmonious chord between summer's brightness and the approaching chill of winter.
As September unfolds in Bath, the average wind speed gently settles at 3.4 m/s (8 mph), mirroring the softer breezes of late summer. This month stands out as a transitional period, with winds gradually tapering from the moderate gusts of early spring and summer. Following the slightly higher winds of August, which clocked in at 3.7 m/s (8 mph), September’s calm offers a serene backdrop for the onset of autumn. Interestingly, this slight decrease in wind speed aligns with a noticeable pattern throughout the year, where the early months often showcase brisk winds that taper off as the seasons change. With October poised to bring a subtle uptick back to 4.4 m/s (10 mph), Bath’s September winds invite a reflective pause, making it an ideal time to enjoy the city’s stunning landscapes as they transition into autumnal splendor.
The weather in Bath 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 Bath and find detailed weather information for every month.
In September, the weather is generally warmer with average temperatures ranging from a low of 2°C (37°F) to a high of 29°C (84°F), making it quite pleasant for outdoor activities. Although the month does see some rainfall, with about 54 mm (2.1 in) over approximately 9 days, the humidity level is lower at 82%. In contrast, January brings much colder temperatures, averaging between -4°C (25°F) and a maximum of 14°C (57°F). The precipitation increases slightly to 57 mm (2.3 in) spread over about 10 days, and humidity rises to 91%, contributing to a more frigid and damp atmosphere. For more details about the winter weather, you can check Bath weather in January.
In comparing the weather of September and February, September tends to be warmer, with temperatures ranging from a chilly 2°C (37°F) to a pleasant 29°C (84°F), while February experiences lower temperatures, peaking at 18°C (64°F) and dipping as low as -5°C (23°F). Additionally, September has an average temperature of 14°C (58°F) compared to February's average of 6°C (43°F), resulting in a more mild and comfortable environment in the former. Precipitation is slightly higher in February, with 66 mm (2.6 in) over 13 days, compared to September's 54 mm (2.1 in) across 9 days; this contributes to February's higher humidity at 89%, compared to September's 82%. For more specific details about February weather, you can check Bath weather in February.
In September, the weather is generally warmer with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 29°C (84°F) and an average of 14°C (58°F). The month is moderately humid at 82% and receives about 54 mm (2.1 in) of precipitation over 9 days. In contrast, March experiences cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 21°C (70°F), averaging around 7°C (45°F). March sees slightly higher precipitation at 72 mm (2.8 in) over 14 days and a higher humidity level of 86%. For more detailed information on the specific weather conditions in Bath during this month, you can check Bath weather in March.
In comparing the weather conditions of September and April, we can observe some notable differences. September features a wider temperature range, with minimums around 2°C (37°F) and maximums reaching up to 29°C (84°F), resulting in an average of 14°C (58°F). In contrast, April tends to be cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 23°C (74°F) and an average of 9°C (49°F). Although both months experience similar precipitation levels—54 mm (2.1 in) in September and 48 mm (1.9 in) in April—April tends to feel more humid, with humidity levels slightly higher at 85% compared to September's 82%. For more detailed information, you can visit Bath weather in April.
In September, temperatures can range from a cool 2°C (37°F) at night to a warm maximum of 29°C (84°F) during the day, with an average temperature of 14°C (58°F). The month tends to be quite humid at 82%, and there's an average of 54 mm (2.1 in) of precipitation spread over 9 days. In contrast, May presents a slightly cooler climate with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F) and an average of 12°C (54°F). Although May has a slightly higher precipitation total of 74 mm (2.9 in) across 12 days, the humidity is also slightly lower at 79%. For more detailed insights into May weather, visit Bath weather in May.
When comparing the weather in September and June, it’s clear that both months offer a mix of mild temperatures and occasional rainfall, but with some distinct differences. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 29°C (84°F), averaging around 14°C (58°F), with precipitation totaling 54 mm (2.1 in) over about 9 days and a humidity level of 82%. In contrast, June experiences slightly warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 30°C (87°F), averaging 16°C (61°F). However, June also sees a higher rainfall total of 72 mm (2.8 in) over 12 days, while humidity remains relatively stable at 80%. For a detailed look at June's weather patterns, you can check out Bath weather in June. Overall, June feels a bit warmer and wetter than September, presenting a different experience in terms of outdoor activities and comfort.
In comparing the weather of September and July, we notice distinct differences in temperature and precipitation patterns. September has a wider range of temperatures, with a minimum of 2°C and a maximum of 29°C, leading to an average temperature of 14°C. In contrast, July enjoys a milder minimum of 8°C and a maximum of 31°C, resulting in an average of 18°C. Rainfall is slightly heavier in July, accumulating 67 mm over 12 days, compared to September's 54 mm across 9 days. Additionally, September's humidity is higher at 82% compared to July's 71%, indicating a more humid atmosphere as summer transitions into autumn. For a detailed look at July's weather conditions, check out Bath weather in July.
In comparing the weather of September to that of August, September generally experiences cooler temperatures, with minimums dropping to 2°C (37°F) compared to August's 7°C (46°F). The average temperature in September is also lower at 14°C (58°F) versus August’s 17°C (62°F). While both months see variability in conditions, August tends to be drier, with 76 mm (3.0 in) of precipitation over 13 days, compared to September's precipitation of 54 mm (2.1 in) across 9 days. Humidity levels are slightly higher in September at 82%, in contrast to August's 76%. For more details about August weather, you can refer to Bath weather in August.
September's weather is characterized by a broader temperature range, with minimums reaching 2°C (37°F) and maximums peaking at 29°C (84°F). The month averages a comfortable 14°C (58°F) and experiences 54 mm (2.1 in) of precipitation over about 9 days, maintaining a humidity level of 82%. In contrast, October introduces a more pronounced chill, with minimum temperatures dropping to 0°C (32°F) and daily averages falling to 11°C (53°F). While maximum temperatures are still pleasant at 23°C (73°F), October is wetter, accumulating 104 mm (4.1 in) of precipitation over 14 days and exhibiting a higher humidity of 90%. For more details on October conditions, you can view Bath weather in October.
September typically offers warmer weather compared to November, with temperatures ranging from a minimum of 2°C (37°F) to a pleasant maximum of 29°C (84°F). In contrast, November sees a much cooler average temperature of 8°C (46°F), with highs reaching only 16°C (62°F) and lows dipping to -2°C (28°F). Additionally, while September experiences about 54 mm (2.1 in) of precipitation over 9 days, November sees a slight increase in rainfall to 65 mm (2.5 in) spread over 13 days. The humidity also rises from 82% in September to 92% in November, making for a decidedly chillier and wetter month. For more information on November weather, visit Bath weather in November.
September's weather is generally more moderate, with temperatures ranging from a pleasant 2°C (37°F) at night to a warm 29°C (84°F) during the day, and an average of 14°C (58°F). The month sees around 54 mm (2.1 in) of precipitation over about 9 days, accompanied by a humidity level of 82%. In contrast, December experiences colder temperatures, with a minimum of -3°C (26°F) and a maximum of 14°C (57°F), averaging just 6°C (44°F). This month also sees increased rainfall, totaling 90 mm (3.6 in) over 15 days, coupled with slightly higher humidity at 92%. For more details on December weather, you can visit Bath weather in December.
As September unfolds in Bath, the weather begins its gentle transition from the warmth of summer to the cooler embrace of autumn. Visitors can expect pleasant days where temperatures peak at a balmy 29°C (84°F), contrasted by cooler nights dipping down to just 2°C (37°F). With an average temperature of 14°C (58°F), September offers a comfortable climate, though with a notable 82% humidity that can make it feel a bit muggy at times. Rain is also a common guest this month, with 54 mm (2.1 in) of precipitation spread over about 9 days, signaling the changing seasons. For a comprehensive overview of what to expect year-round, explore more at Bath Climate.