Last updated: March 17, 2025
In September, Tenby experiences a delightful transition into autumn with maximum temperatures reaching 25°C (77°F) and an average of 15°C (59°F). While the days can be pleasantly warm, the evenings can bring a cool touch with minimum temperatures dipping to 7°C (45°F). However, this month also sees significant rainfall, with 101 mm (4.0 in) accumulated over 15 days, lending a fresh vibrancy to the coastal scenery. Humidity levels hover around 79%, ensuring that even in the cooler weather, Tenby's charm remains inviting for locals and visitors alike.
As September rolls into Tenby, the temperatures begin to show a delightful shift, becoming more inviting after the cool summer months. With minimum temperatures averaging around 7°C (45°F) and maximum highs reaching up to 25°C (77°F), there's a noticeable warmth in the air that beckons both locals and visitors alike. This month boasts an average temperature of 15°C (59°F), striking a balance that is perfect for enjoying the scenic coastal beauty. The transition into autumn is felt, yet there’s still a lingering summer warmth, making September an ideal time for outdoor activities and leisurely strolls along the stunning beaches. Overall, Tenby in September offers a charming blend of summer's end and autumn's beginnings, providing a unique experience for all who visit.
In September, Tenby experiences a notable transition in its precipitation patterns, with an average rainfall of 101 mm (4.0 in) over approximately 15 days. This marks a slight dip from the wetter month of August, which received 113 mm (4.4 in), yet it still signifies a robust beginning to autumn. As summer fades, September’s rainfall sets the stage for the increasingly damp October, which typically brings the year’s highest precipitation levels. Despite the decrease in rainfall compared to the peak summer months, September's conditions suggest a continuation of the region's characteristic maritime climate, where showers remain a frequent companion to the changing foliage.
In Tenby, United Kingdom, September marks a transition in humidity levels, with averages settling at 79%. As summer fades, the humidity begins to rise again after reaching a low of 70% in July. This gradual increase hints at the impending return of the chillier months. Notably, the September humidity is a comfortable middle ground, bridging the serene summer atmosphere and the more pronounced dampness of autumn, characterized by October’s hike to 89%. With each month, Tenby's humidity tends to oscillate, creating a climate that ranges from muggy to fresh, inviting both visitors and locals to embrace the scenic beauty of the coastal town.
As we transition into September in Tenby, the UV Index stabilizes at a high level of 6, requiring a burn time of approximately 25 minutes for fair-skinned individuals. This marks a slight decrease from the very high levels noted in the peak summer months of June and July, where the UV Index reached 8. However, September still maintains a significant risk for sun exposure, comparable to the spring months. With autumn approaching, it’s essential to remain vigilant and protect your skin, as UV rays can still be potent. For more detailed information on sun safety in Tenby, visit the Tenby UV Index.
UV Risk Categories
As summer gently fades into autumn, September in Tenby welcomes a delightful shift in the weather, boasting an impressive 315 hours of sunshine. While the month may not match the peak brightness of July's 424 hours, it still shines brightly compared to the drizzly winter months ahead. Following the lively summer, where the sun drenched the town in a vibrant glow, September offers a lovely balance of warmth and comfort, making it an ideal time for leisurely beach walks and scenic coastal views. With the shorter days ahead, this month serves as a sweet reminder of sunny pleasures before the chill of October envelops the region.
September in Tenby, United Kingdom, continues the pattern of inconsistent sunshine typical of the late summer. With a 28% chance of sunny weather, it mirrors the somewhat dreary outlook of January and June, which also see similar probabilities. However, it's noteworthy that September precedes October, a month that drops to just 21% likelihood of sun, signaling the approaching autumn chill. While the chance of clear skies may be lower than the peak spring months like April, which boasts 52%, September remains a transitional period where the warmth of summer lingers just before the weather turns, making each sunny day a cherished occurrence.
As summer fades in Tenby, September heralds a gentle transition with 12 hours of daylight, a graceful decline from the vibrant 16 hours enjoyed in June and July. This shift marks the beginning of autumn, where daylight diminishes gradually, creating a cozy atmosphere ideal for enjoying the unique beauty of the coastal town. Compared to August's 14 hours, September's daylight invites a slower pace, encouraging leisurely strolls along the beach as the sun sets earlier, casting a warm glow over the landscape. The trend of decreasing daylight continues into the fall, reminding us of nature's rhythm while offering a final chance to bask in the fading warmth of the summer sun.
In September, Tenby experiences a refreshing transition as the average wind speed settles at 4.3 m/s (10 mph), mirroring the lighter breezes of summer yet hinting at the briskness of autumn ahead. This gentle wind flow follows a gradual decline from the warmer months of July and August, where more substantial gusts brought energetic vibes to the coastal town. With the approach of October, wind speeds begin to increase once again, suggesting a shift back to the more dynamic conditions typical of the fall season. September, therefore, serves as a perfect bridge, offering a mild and pleasant atmosphere while foreshadowing the invigorating winds to come.
The weather in Tenby 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 Tenby and find detailed weather information for every month.
September and January showcase distinctly different weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), with an average of 15°C (59°F). This month also experiences higher rainfall, with 101 mm (4.0 in) over 15 days and a humidity level of 79%. In contrast, January's temperatures are much cooler, ranging from 0°C (32°F) to 14°C (57°F), with an average of just 7°C (45°F). The precipitation in January is slightly less at 84 mm (3.3 in) over 13 days, combined with a higher humidity of 88%. For a detailed look at the weather patterns in January, you can check out Tenby weather in January.
September and February present quite a contrast in weather. September enjoys milder temperatures, with averages around 15°C (59°F) and highs reaching up to 25°C (77°F), while February is considerably colder, with average temperatures of just 7°C (45°F) and maximums of 13°C (56°F). Both months experience significant precipitation, with September seeing about 101 mm (4.0 in) over 15 days and February slightly higher at 108 mm (4.3 in) across 16 days. Humidity levels are also elevated, with September at 79% and February climbing to 88%. For more specific insights on the conditions during this winter month, you can check Tenby weather in February.
In comparing the weather of September and March, September tends to be warmer and more pleasant, with average temperatures reaching around 15°C (59°F) and maximums peaking at 25°C (77°F). In contrast, March is cooler, with average temperatures closer to 8°C (46°F) and nighttime lows dropping to minus 4°C (25°F). Both months experience considerable rainfall, with September receiving 101 mm (4.0 in) over 15 days and March slightly less at 97 mm (3.8 in) over 17 days. Additionally, humidity levels are slightly higher in March, reaching 86% compared to September's 79%. For more insights into March weather in Tenby, visit Tenby weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September enjoys a milder climate with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), while April features cooler temperatures, peaking at 18°C (64°F). Precipitation in September is also more abundant, with 101 mm (4.0 in) falling over approximately 15 days, compared to April's 54 mm (2.1 in) and just 10 days of rain. Interestingly, humidity levels are slightly higher in April at 84%, compared to September's 79%. For more details, check out Tenby weather in April.
In September, the weather generally features a wider temperature range, with minimums around 7°C (45°F) and maximums reaching 25°C (77°F), averaging 15°C (59°F). This month also sees higher precipitation at 101 mm (4.0 in) over approximately 15 days, and while humidity hovers around 79%, it feels quite damp due to the frequent rain. In contrast, May tends to be milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 22°C (71°F), averaging 12°C (53°F). Precipitation is lower at 71 mm (2.8 in) across about 11 days, and humidity is slightly higher at 80%. For more details on May's weather, you can check Tenby weather in May.
In comparing the weather between September and June, we observe similar average temperatures, both hovering around 15°C (59°F). However, September experiences a slightly wider range, with maximum temperatures reaching up to 25°C (77°F), while June's peaks are a touch lower at 24°C (75°F). Precipitation is slightly higher in September, with 101 mm (4.0 in) compared to June's 88 mm (3.5 in), even though both months see rain on about 15 days. Humidity levels are also comparable, with September at 79% and June at 80%, creating a similar atmosphere in both months. For a closer look at the weather in June, you can visit Tenby weather in June.
When comparing the weather in September and July, it's evident that both months experience similar maximum temperatures, averaging around 25°C (77°F) in September and 25°C (78°F) in July. However, September tends to be cooler overall, with average temperatures of 15°C (59°F) compared to July's 16°C (62°F). Additionally, September is wetter, receiving 101 mm (4.0 in) of precipitation over 15 days, while July has less rainfall, amounting to 74 mm (2.9 in) across 12 days. The humidity levels are also higher in September at 79%, compared to July's 70%. For a detailed look at July's weather, you can check out Tenby weather in July.
In comparing the weather of September and August, September experiences slightly cooler temperatures, with a minimum of 7°C (45°F) compared to August's 10°C (51°F). The average temperature in September is 15°C (59°F), which is just marginally lower than August's 16°C (62°F). Both months see comparable maximum temperatures, with September peaking at 25°C (77°F) and August at 24°C (75°F). Precipitation levels are somewhat similar, with September receiving 101 mm (4.0 in) over 15 days and August receiving 113 mm (4.4 in) over 16 days. However, September boasts slightly higher humidity at 79% versus August's 73%. For more detailed information, you can refer to Tenby weather in August.
September weather showcases a milder climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), and an average of 15°C (59°F). The month experiences considerable rainfall, accumulating 101 mm (4.0 in) over 15 days, accompanied by an average humidity of 79%. In contrast, October brings a notable drop in temperatures, with a minimum of just 1°C (35°F) and a maximum of 19°C (67°F), resulting in an average temperature of 13°C (55°F). Rainfall increases to 142 mm (5.6 in) over 18 days, and humidity rises to 89%, making October a much wetter and cooler month. For a detailed look at the weather conditions in October, check out Tenby weather in October.
September typically experiences milder weather with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), making it a pleasant transition from summer. Despite having 15 days of precipitation totaling 101 mm (4.0 in), the humidity averages around 79%, creating a comfortable atmosphere. In contrast, November brings cooler temperatures, with averages dipping to a minimum of 2°C (37°F) and a maximum of 15°C (60°F). Rainfall increases to 137 mm (5.4 in) over 19 days, contributing to a higher humidity level of 90%. For more detailed information, you can visit Tenby weather in November.
September and December present distinct differences in weather patterns. In September, temperatures range from a mild minimum of 7°C (45°F) up to a pleasant average of 15°C (59°F), with maxima reaching 25°C (77°F). This month experiences about 101 mm (4.0 in) of precipitation over approximately 15 days, and humidity levels sit at 79%. In contrast, December sees significantly cooler temperatures, with a minimum of 1°C (34°F) and an average of 8°C (48°F), peaking at only 13°C (56°F). Precipitation also increases to 156 mm (6.1 in) spread over around 20 days, accompanied by higher humidity at 89%. For more detailed weather information, visit Tenby weather in December.
As September unfolds in Tenby, the weather showcases a delightful transition, marked by mild temperatures that average around 15°C (59°F), inviting visitors to enjoy the early autumn ambiance. Unlike the sweltering summer months, this period brings a refreshing coolness, with highs reaching up to 25°C (77°F) and lows dipping to around 7°C (45°F), providing a welcome respite from the heat. However, travelers should be prepared for some rain, as the month sees about 15 days of precipitation, totaling around 101 mm (4.0 in), contributing to the lush landscapes. With humidity levels at 79%, the air feels invigorating yet crisp, offering a unique charm that sets September apart from the warmer summer days. For further insights on what to expect throughout the year, explore Tenby Climate.