Last updated: March 17, 2025
September in Sidmouth, United Kingdom, offers a delightful mix of mild temperatures and occasional rain. With maximums reaching 27°C (81°F) and an average of 15°C (59°F), days can be pleasantly warm, while nights may dip to a cool 3°C (38°F). Expect a moderate precipitation amount of 45 mm (1.8 in) over the month, with rainfall spread across about 8 days, contributing to the region's lush landscapes. Humidity levels hover around 79%, creating a refreshing atmosphere that enhances the charm of this coastal town. Enjoy the balance of sun and showers that define Sidmouth's September weather!
As summer gracefully fades into autumn, Sidmouth, United Kingdom, experiences a vibrant September that hints at the warmth of the season's end. With minimum temperatures averaging around 3°C (38°F), the coastal charm retains a pleasant touch, while the average temperature rises to a comfortable 15°C (59°F), setting the stage for delightful outdoor excursions. On particularly warm days, residents and visitors alike can bask in the sun with highs reaching up to 27°C (81°F), making September one of the last opportunities to enjoy the balmy beachside before the cooler months set in. This transitional month not only showcases a gradual drop from the peaks of summer but also invites a blend of lingering warmth and the crispness of early autumn.
September in Sidmouth, United Kingdom, marks a gentle transition into autumn with a pleasant average precipitation of 45 mm (1.8 in) spread over just 8 days. This slight dip in rainfall reflects the tail end of summer, where monthly totals begin to wane compared to the wetter months of July and August. Interestingly, the number of rainy days in September remains among the lower averages for the year, suggesting that sunlight and mild weather still have a firm grip this time of year. As the region gears up for the autumn, these trends hint at an inviting climate, allowing residents and visitors to enjoy the scenic coastal charm before the more substantial rains of October arrive.
In September, Sidmouth experiences a slight dip in humidity, sitting at 79%, which marks a gentle transition from the more humid summer months. Throughout the year, humidity levels have shown a gradual decrease from a high of 88% in January and February, tapering to 70% in the warmth of July. As autumn approaches, the humidity begins to rise again, with October and November climbing back to 89% and 90% respectively. This pattern highlights a distinct trend where the late summer yields to the crisp, cooler air of autumn, contributing to a refreshing shift in the coastal atmosphere of this charming UK seaside town.
As September rolls into Sidmouth, the UV Index maintains a high rating of 6, which signifies that sun exposure can lead to skin damage for those not adequately protected. Following the peak summer months, where the UV Index often hit a scorching 8, this slight decrease in intensity still requires vigilance, with a burn time of just 25 minutes for fair-skinned individuals. This trend mirrors the gradual decline of UV levels as autumn approaches, allowing for more comfortable outdoor activities while still emphasizing the importance of sun safety. With UV radiation lingering in the high category, locals and visitors alike should remain cautious and prepared. For further insights on sun safety, check out Sidmouth UV Index.
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As summer transitions into autumn, September in Sidmouth boasts a delightful 313 hours of sunshine. This month, while slightly quieter than the sun-drenched heights of July (418 hours) and August (376 hours), still offers a generous amount of bright days to enjoy. Moving from the vibrant warmth of late spring, which peaked at 399 hours in May, this gentle dip in daylight marks the start of shorter days, yet September remains a splendid time to relish the coastal charm of Sidmouth. With longer evenings approaching, the town's beauty shines even in the fading light, making this month a perfect blend of summer's warmth and autumn's crispness.
In Sidmouth, September offers a 30% chance of sunny weather, marking a slight uptick from the summer months that peak in July at 38% but face a dip in August to 28%. As the autumn season beckons, the likelihood of sunshine begins to taper off—dropping to 24% in October. This trend reflects the transition from the more vibrant summer days to the cooler, cloudier atmosphere characteristic of fall in the UK. While September does not boast the sunniest days of the year, it offers a delightful window for outdoor activities before the arrival of the wetter months.
As summer transitions to autumn in Sidmouth, United Kingdom, September greets residents with a pleasant 12 hours of daylight. This marks a gentle decline from the sun-drenched days of July and August, which boast 15 and 14 hours respectively. The longer days of spring peak in June at a generous 16 hours, while September signifies the start of shorter days as the year approaches its end. Following September, daylight dips further, settling into 10 hours by October and dwindling to just 8 hours in the depths of winter. This gradual reduction highlights the shifting seasons, inviting residents to enjoy the beautiful golden hues of early autumn before the shorter, darker days of winter set in.
As September unfolds in Sidmouth, the coastal winds settle into a gentle rhythm, with an average speed of 3.5 m/s (8 mph). This marks a decrease from the bustling breezes of summer, when winds typically hover around 4.0 m/s (9 mph) in August. The transition to autumn introduces a calming atmosphere, as the gusty winds of winter slowly approach. Notably, September resembles the quieter months of April and July, where wind speeds dipped to 3.5 m/s (8 mph) and 3.6 m/s (8 mph), offering a serene backdrop for afternoon strolls along the picturesque seafront. As we look ahead, the winds will pick up slightly in October, hinting at the seasonal shift while still preserving the tranquility that characterizes early autumn by the sea.
The weather in Sidmouth 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 Sidmouth and find detailed weather information for every month.
In September, the weather is relatively mild, with temperatures ranging from a cool 3°C (38°F) at night to a pleasant 27°C (81°F) during the day, averaging around 15°C (59°F). The month experiences moderate rainfall of 45 mm (1.8 in) spread over about 8 days, accompanied by a humidity level of 79%. In contrast, January brings much cooler conditions, with temperatures dipping to a minimum of -3°C (26°F) and peaking at 14°C (58°F), resulting in an average of just 6°C (43°F). Despite a similar amount of precipitation at 46 mm (1.8 in) over the same number of days, January feels much wetter, with humidity reaching 88%. For more details on January weather, you can visit Sidmouth weather in January.
September and February present contrasting weather patterns that highlight the transition from late summer to winter. In September, temperatures range from a mild minimum of 3°C (38°F) to a warm average of 15°C (59°F) and a high of 27°C (81°F), accompanied by relatively low precipitation of 45 mm (1.8 in) over 8 days and a humidity level of 79%. In stark contrast, February experiences much colder temperatures, with lows around -5°C (23°F) and an average of 7°C (44°F), peaking at only 15°C (60°F). This month sees increased precipitation, totaling 60 mm (2.4 in) across 11 days, and humidity rising to 88%. For a more detailed overview of February's weather, you can check Sidmouth weather in February.
In comparing the weather of September and March, it's clear that each month brings distinct characteristics. September enjoys milder temperatures, with averages around 15°C (59°F), peaking at 27°C (81°F), alongside a relatively comfortable humidity level of 79%. It experiences about 45 mm (1.8 in) of precipitation over approximately 8 days. In contrast, March has a chillier climate, with an average temperature of 8°C (46°F), reaching a maximum of 19°C (66°F), while dropping to a minimum of -6°C (22°F). This month is wetter, with around 75 mm (2.9 in) of rainfall spread over 14 days, and a higher humidity of 86%. For a more detailed look at the weather specifics, you can refer to Sidmouth weather in March.
In September, temperatures tend to be milder with a minimum of 3°C (38°F) and an average of 15°C (59°F), peaking at a comfortable 27°C (81°F). The month sees about 45 mm (1.8 in) of precipitation over 8 days, with humidity hovering around 79%. In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to an average of 9°C (49°F), and a maximum of 22°C (72°F). Despite slightly higher precipitation at 48 mm (1.9 in) over 9 days, the humidity is marginally higher at 84%. For more specific details about April weather, you can visit Sidmouth weather in April.
In September, temperatures generally range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 15°C (59°F). This month experiences around 45 mm (1.8 in) of precipitation over approximately 8 days, and the humidity levels sit at 79%. In contrast, May sees slightly cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 24°C (75°F), averaging 12°C (54°F). However, it has a higher precipitation total of 69 mm (2.7 in) spread across 11 days and a similar humidity level of 80%. For more detailed weather insights, you can visit Sidmouth weather in May.
When comparing the weather in September and June, September generally presents cooler temperatures, with a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum of 27°C (81°F). In contrast, June starts off warmer, featuring a minimum of 7°C (44°F), an average of 16°C (60°F), and a maximum of 29°C (84°F). While September experiences less precipitation at 45 mm (1.8 in) over 8 days, June tends to be wetter, with 73 mm (2.9 in) falling across 10 days. Humidity levels are quite similar between the two months, with September at 79% and June slightly higher at 80%. For a closer look at June's climate, you can refer to Sidmouth weather in June.
When comparing the weather of September and July, it is evident that July tends to be warmer with an average temperature of 18°C (64°F) compared to September's cooler average of 15°C (59°F). The maximum temperatures in July also reach 29°C (84°F), making it the warmer month overall, while September has a maximum of 27°C (81°F). Additionally, July experiences more precipitation at 59 mm (2.3 in) over 12 days, whereas September sees slightly less rain with 45 mm (1.8 in) over 8 days. Humidity levels are higher in September at 79%, compared to 70% in July, indicating a noticeable difference in comfort levels. For more insights into July weather, you can visit Sidmouth weather in July.
In comparing the weather of September and August, September tends to be cooler, with minimum temperatures dropping to 3°C (38°F) compared to August's milder 9°C (48°F). The average temperature in September is 15°C (59°F), while August holds a slightly warmer average of 17°C (62°F). Additionally, the maximum temperature in September reaches 27°C (81°F), only slightly lower than August's peak of 29°C (84°F). Precipitation is also less frequent in September, with 45 mm (1.8 in) over 8 days, compared to August's 70 mm (2.7 in) over 12 days. Furthermore, September exhibits higher humidity at 79%, while August's humidity is recorded at 73%. For a more detailed overview, you can refer to Sidmouth weather in August.
September and October exhibit notable differences in weather patterns. September boasts a wider temperature range, with minimums around 3°C (38°F) and highs reaching up to 27°C (81°F), resulting in an average of 15°C (59°F). In comparison, October sees temperatures drop, featuring a minimum of 0°C (33°F) and a maximum of 21°C (69°F), averaging about 12°C (54°F).
Furthermore, October is significantly wetter, with precipitation totaling 97 mm (3.8 in) over 13 days, compared to September's 45 mm (1.8 in) across 8 days. This increase in rainfall is accompanied by higher humidity levels in October, reaching 89% compared to September's 79%. To learn more about the weather specifics for this month, you can visit Sidmouth weather in October.
September generally offers warmer temperatures compared to November, with average highs of 27°C (81°F) and a pleasant overall average of 15°C (59°F). In contrast, November sees cooler temperatures, with an average high of just 16°C (61°F) and an overall average of 9°C (48°F). Precipitation also increases in November, with 61 mm (2.4 in) over 11 days, compared to September’s 45 mm (1.8 in) over 8 days. Additionally, humidity rises significantly in November to 90%, up from September's 79%. For more detailed information, you can check Sidmouth weather in November.
In September, the weather is relatively mild with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), averaging around 15°C (59°F). The month experiences lower rainfall, accumulating about 45 mm (1.8 in) over approximately 8 days, with a humidity level of 79%. In contrast, December brings a sharp drop in temperatures, with lows reaching -1°C (30°F) and highs capping at 14°C (58°F), averaging only 8°C (46°F). This month sees increased rainfall, totaling 88 mm (3.4 in) over 13 days, and a higher humidity level of 89%. For a more detailed look at December weather, you can visit Sidmouth weather in December.
As summer gracefully transitions into autumn, September in Sidmouth presents a delightful mixture of warmth and refreshing breezes. With temperatures reaching a comfortable maximum, the month showcases the last vestiges of summer's charm while also hinting at cooler days ahead. Compared to the peak summer months, September tends to be more humid, but with fewer precipitation days, it offers plenty of opportunities to enjoy the outdoors. Visitors can expect a unique blend of sunny and crisp moments, making it an ideal time for those who appreciate a softer climate. For a more comprehensive view of what to expect, check out Sidmouth Climate.