Last updated: March 17, 2025
In September, Truro, United Kingdom, experiences a delightful transition into autumn, with temperatures ranging from a comfortable maximum of 27°C (81°F) to a cooler minimum of 6°C (43°F). The average temperature settles at a pleasant 15°C (59°F), creating a refreshing atmosphere perfect for outdoor activities. However, the month also brings about 60 mm (2.3 in) of rainfall over approximately 10 days, contributing to a notably high humidity level of 85%. This unique blend of warm days and crisp evenings makes September an ideal time to explore the scenic beauty of Truro while enjoying the vibrant colors of early fall.
In September, Truro enjoys a transition toward the cooler months, with temperatures reflecting the shift in seasons. The minimum temperature settles at a mild 6°C (43°F), setting a comfortable tone, while the average hovers around 15°C (59°F), inviting outdoor exploration. As summer's warmth lingers, the maximum reaches a pleasant 27°C (81°F), making this month ideal for lingering late-summer activities. Compared to the preceding months, September exhibits a subtle decrease from August's temperatures, yet it still offers a delightful blend of warmth, perfect for enjoying the scenic beauty of Cornwall before the autumn chill sets in.
In September, Truro experiences a moderate precipitation level of 60 mm (2.3 in), accompanied by rainfall on 10 days of the month. This marks a slight decrease from the wetter summer months of June and July, which feature more substantial rainfall, yet it remains consistent with the relatively dry August that had a similar total. As autumn approaches, these patterns hint at the transition to the wetter months ahead, particularly October, which typically sees a significant uptick in both precipitation and rainy days. Overall, September's weather serves as a gentle reminder of the changing seasons while providing a comfortable lead-in to the upcoming fall.
As summer transitions into autumn, September in Truro, United Kingdom, showcases a modest dip in humidity, settling at 85%. This slight decrease follows a peak in the more sultry months of July and August, which boasted humidities of 87% and 86%, respectively. Throughout the year, humidity levels in Truro display an overall pattern of slow increases during the warmer months, peaking in July before gently descending into autumn. Interestingly, September maintains comparable moisture levels to the preceding months, reinforcing the region's reputation for consistent humidity. As temperatures cool into October, one can expect humidity to remain relatively stable, suggesting that Truro's maritime climate continues to offer a damp, yet temperate, experience even as the season shifts.
As September arrives in Truro, the UV Index reflects a transition towards cooler autumn days, registering a high level of 6. This indicates a modest risk of harm from unprotected sun exposure, with a burn time of just 25 minutes for most skin types. Following the intense summer months where UV levels peaked at 9 in June, September's UV Index suggests that while the sun is still strong, the urgency for sun protection begins to wane. As days shorten and temperatures drop, it's essential to remain vigilant, especially during midday hours. For those looking to better understand sun safety throughout the year, check out the detailed Truro UV Index for comprehensive insights.
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As September rolls into Truro, the golden days of summer begin to wane, yet the city still basks in a generous 329 hours of sunshine. This month, while it marks a notable decline from the sun-soaked heights of July and August, holds its own charm, providing a gentle transition into autumn. With sunshine hours gradually decreasing from the peak of 427 hours in July, September showcases a vibrant blend of warmth and the crisp beginnings of fall, paving the way for shorter days ahead. As the year progresses, sunshine dims significantly, plunging to a mere 96 hours by January, making each sunlit moment in September all the more precious for locals and visitors alike.
In September, Truro, United Kingdom, experiences a 31% chance of sunny weather, placing it amongst the more favorable months for sunshine. Following a relatively bright April with a notable 51%, the likelihood of sun begins to dip, yet September remains more promising compared to the dreary winter months ahead. While summer months like July and August hold slightly lower chances at 36% and 28% respectively, September holds its own with a respectable chance, hinting at those beautiful early autumn days. As the year transitions into autumn, sun seekers in Truro may find September a delightful, albeit slightly unpredictable, opportunity to bask in pleasant weather.
As summer fades into autumn in Truro, September experiences a noticeable shift in daylight duration, offering about 12 hours of sunlight. This marks a gentle decline from the 16 hours of daylight enjoyed in June, reminding us of the vibrant summer days. The month serves as a transition, bridging the longer days of summer with the shorter, cozy evenings of fall. Following the peak in June, daylight gradually decreases, reflecting nature's rhythm as we prepare for the cooler months ahead. With its balance of lingering warmth and the promise of autumn's colors, September is a precious time for both reflection and adventure under a moderate sun.
As September unfolds in Truro, the average wind speed gently settles at 4.0 m/s (9 mph), marking a continuation of the milder breezes typical for late summer. This slight dip is part of a trend observed from the more blustery spring months, where winds reached up to 6.6 m/s (15 mph) in February. The transitional season of September showcases a gradual decrease, shifting from the relatively calm summer winds of 3.8 m/s (8 mph) in June to a whisper of autumn's approach. With October expected to bring back slightly stronger gusts at 5.1 m/s (11 mph), the changing winds effectively signal the onset of fall, creating a captivating atmosphere perfect for cozy walks along Truro’s scenic paths.
The weather in Truro 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 Truro and find detailed weather information for every month.
September and January present contrasting weather patterns, reflecting the transition from late summer to winter. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 27°C (81°F), with an average temperature of 15°C (59°F) and relatively high humidity at 85%. This month also sees around 60 mm (2.3 in) of precipitation over approximately 10 days, suggesting a gradual shift towards cooler, wetter conditions.
In contrast, January brings colder temperatures, with a minimum of -2°C (29°F) and a maximum of 14°C (58°F), leading to an average of just 7°C (45°F). The precipitation remains similar to September at 59 mm (2.3 in), but spread over a slightly longer duration of 11 days and a more moderate humidity level of 81%. For a detailed overview of January weather, visit Truro weather in January.
In September, temperatures range from a cooler minimum of 6°C (43°F) to a warm maximum of 27°C (81°F), providing an average of 15°C (59°F) for the month. This month sees about 60 mm (2.3 in) of precipitation over approximately 10 days, with humidity levels high at 85%. In contrast, February presents a much colder climate, with temperatures dipping as low as -3°C (26°F) and peaking at 15°C (60°F), resulting in an average of 8°C (46°F). Precipitation is slightly higher at 75 mm (3.0 in) spread over 14 days, while humidity remains quite consistent at 84%. For more specific details on February weather, you can visit Truro weather in February.
September and March exhibit distinct weather characteristics, highlighting the transition between seasons. September enjoys milder temperatures, ranging from a minimum of 6°C (43°F) to a pleasant average of 15°C (59°F), peaking at 27°C (81°F). In contrast, March is cooler, with temperatures dipping as low as -5°C (24°F) and averaging only 8°C (47°F), reaching a maximum of 17°C (64°F). While September receives 60 mm (2.3 in) of precipitation over about 10 days, March sees an increase in rainfall to 79 mm (3.1 in) over 15 days, though the humidity levels in both months remain relatively high at around 85% and 83%, respectively. This shift illustrates the cooling atmosphere of early spring compared to the late-summer warmth. For more specifics on March weather, check out Truro weather in March.
September and April present distinct weather contrasts. In September, temperatures range from a mild 6°C (43°F) at night to a warm 27°C (81°F) during the day, averaging around 15°C (59°F). This month experiences about 60 mm (2.3 in) of precipitation over roughly 10 days, accompanied by high humidity levels at 85%. In comparison, April starts off cooler with minimum temperatures around 0°C (32°F) and peaks at 22°C (72°F), averaging 10°C (50°F). April typically sees slightly less rainfall, with 49 mm (1.9 in) spread across about 8 days, while humidity remains relatively stable at 84%. For a detailed look at April's weather, check out Truro weather in April.
In September, the weather generally ranges from a minimum of 6°C (43°F) to a maximum of 27°C (81°F), with an average temperature of 15°C (59°F), while May sees slightly cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 25°C (77°F), averaging at 12°C (55°F). Both months experience high humidity at around 85%, contributing to a comfortable climate. Precipitation levels are somewhat similar, with September receiving 60 mm (2.3 in) over 10 days and May seeing 67 mm (2.6 in) over 12 days. For more specific weather details, you can visit Truro weather in May.
In comparing the weather from September to June, both months exhibit fairly mild average temperatures, ranging around 15°C (59°F) to 15°C (60°F). However, June tends to be slightly warmer than September, with maximum temperatures reaching 30°C (86°F) compared to September's peak of 27°C (81°F). Additionally, June experiences higher overall precipitation at 83 mm (3.3 in) over 13 days, while September sees a bit less, with 60 mm (2.3 in) during 10 days. Humidity levels remain quite similar, with September at 85% and June slightly higher at 86%. For more detailed information about weather specifics in June, you can check Truro weather in June.
In comparing the weather of September and July, we notice some interesting contrasts. September tends to be slightly cooler, with minimum temperatures around 6°C (43°F) and an average of 15°C (59°F), while July has a minimum of 9°C (49°F) and an average of 17°C (63°F). Although July experiences a marginally higher maximum temperature of 28°C (83°F) compared to September's 27°C (81°F), the overall feeling is that September is crisper and more refreshing due to its lower humidity of 85% compared to July’s 87%. Rainfall is also somewhat similar, with September recording 60 mm (2.3 in) over 10 days and July having 68 mm (2.7 in) over 11 days. For more detailed information on July weather, you can visit Truro weather in July.
September shows a noticeable drop in temperatures compared to August, with minimums falling from 10°C (50°F) to 6°C (43°F) and average temperatures decreasing from 17°C (62°F) to 15°C (59°F). While August maintains slightly higher max temperatures at 26°C (79°F) compared to September's max of 27°C (81°F), September has slightly higher precipitation levels with 60 mm (2.3 in) over 10 days, compared to August's 59 mm (2.3 in) over 13 days. Humidity levels remain fairly similar, with September at 85% and August at 86%. For more details, you can visit Truro weather in August.
September typically features warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 27°C (81°F), while averaging around 15°C (59°F). In contrast, October sees cooler conditions, including a minimum of 0°C (32°F) and a maximum of 20°C (68°F), with an average temperature of 12°C (55°F). Precipitation also increases in October, totaling 102 mm (4.0 in) over 13 days, compared to September's 60 mm (2.3 in) over 10 days. Both months maintain a high humidity level of 85%, but the changing temperatures and increased rainfall in October mark a noticeable transition into autumn. For more details, check out Truro weather in October.
September generally enjoys milder temperatures compared to November, with a minimum of 6°C (43°F) and an average of 15°C (59°F) peaking at 27°C (81°F). This month experiences about 60 mm (2.3 in) of precipitation over 10 days, while humidity remains relatively high at 85%. In contrast, November sees cooler temperatures, with a minimum dipping to 1°C (34°F) and an average of only 10°C (50°F), reaching a maximum of 16°C (61°F). Rainfall also increases, totaling 83 mm (3.3 in) across 14 days, and humidity is slightly lower at 82%. For more specific weather conditions in November, you can visit Truro weather in November.
In September, the weather in Truro is typically milder, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 27°C (81°F) and an average of 15°C (59°F). The month experiences around 60 mm (2.3 in) of precipitation spread over 10 days, with a relative humidity of 85%. In contrast, December is significantly cooler, with temperatures dropping to a minimum of 0°C (33°F) and averaging just 9°C (48°F), peaking at 14°C (58°F). Precipitation increases to 102 mm (4.0 in) over 17 days, while the humidity decreases slightly to 80%. For a detailed look at the conditions, check out Truro weather in December.
September in Truro marks a transition, blending the warmth of summer with the crispness of autumn. While temperatures can reach a pleasant maximum of 27°C (81°F), the average dips to a cooler 15°C (59°F), making it a comfortable month to explore the outdoors. This month often sees increased humidity at 85% and around 10 days of rainfall, with a total of 60 mm of precipitation, hinting at the changing seasons. As the days get shorter and the air becomes fresher, September offers a unique charm that sets it apart from the hotter summer months. For more detailed insights, visit Truro Climate.