Last updated: March 17, 2025
In Fishguard, United Kingdom, the weather in September presents a dynamic blend of warmth and moisture. With a maximum temperature peaking at 25°C (77°F) and an average of 15°C (59°F), the month offers pleasant conditions for outdoor activities. However, visitors should be prepared for a cooler minimum of 8°C (46°F), especially in the evenings. Rainfall is a notable feature, accumulating to 105 mm (4.1 in) over approximately 15 days, contributing to a humidity level of 85% that enhances the coastal charm of this picturesque town. Whether you're strolling along the harbor or exploring the surrounding countryside, September's fluctuating temperatures and frequent showers create a uniquely refreshing experience.
September in Fishguard, United Kingdom, marks a delightful transition as summer gently gives way to autumn. With minimum temperatures averaging around 8°C (46°F), and daily highs peaking at an inviting 25°C (77°F), this month retains the warmth of summer while gradually cooling down. The average temperature of 15°C (59°F) signals a comfortable climate, ideal for exploring coastal paths or enjoying the picturesque countryside. As September progresses, the lingering warmth begins to drop, yet it remains a pleasant time for outdoor activities before the chill of October sets in. This month beautifully embodies a balance between seasons, inviting both relaxation and adventure in its crisp, refreshing air.
In September, Fishguard experiences a notable surge in precipitation, with 105 mm (4.1 in) of rainfall spread over 15 days. This marks a slight increase from August's 101 mm, illustrating a gradual transition into the wetter autumn months. As summer fades, the frequency of rain begins to rise, setting the stage for October, which typically sees even higher totals. This consistent pattern highlights Fishguard’s characteristic maritime climate, where the shift from summer warmth to autumnal chill often brings more frequent and heavier downpours. As the month unfolds, residents can expect a blend of rainy days, encouraging a cozy retreat indoors amidst nature's vibrant seasonal changes.
In September, Fishguard experiences a slight dip in humidity, averaging around 85%. This marks a subtle transition from the peak summer months, where humidity levels hovered at 87% in July and 86% in August. Throughout the year, humidity remains relatively high, showcasing a trend of moisture that starts strong in the early months, peaking in the summer, and settling slightly as autumn approaches. The overall consistency in humidity levels—from a low of 80% in December to a high of 87% in July—illustrates Fishguard's temperate climate, where moisture is a constant companion, even as the seasons change.
In September, Fishguard experiences a UV Index of 6, categorized as high, which means sun protection is essential during your outdoor activities. This month marks a slight decrease from the peak summer months of July and August, where the UV Index reached 8. Despite this reduction, sunburn time remains at 25 minutes, so it's important to remain vigilant about sun safety. As the warm summer days fade, this trend indicates a transition towards lower UV levels, but with the lingering heat of late summer, protective measures are still necessary. For more details on UV Index trends throughout the year, visit Fishguard UV Index.
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September in Fishguard, United Kingdom, ushers in a vibrant transition from the sun-drenched summer days, boasting an impressive 318 hours of sunshine. This month follows the peak of July, which saw a glorious 425 hours, and maintains a noticeable glow as the days gradually shorten. Although September's sunlight trickles down from the heights of summer, it still stands out when compared to the drab, cloudier months of November and December, where sunshine drops to 138 and 111 hours respectively. The gradual decline through the autumn months can be felt, yet September remains a delightful balance, offering an inviting blend of warmth and light, perfect for those wishing to enjoy the picturesque coastal scenery before winter descends.
As September rolls in, Fishguard experiences a notable shift in its weather patterns. The chance of sunny days during this month sits at 29%, marking a slight dip from the peak of 53% in April, but it remains above the summer months of July and August, which offer 41% and 35% respectively. This trend illustrates a gradual transition toward the cooler fall season, with sunny days becoming less frequent as autumn progresses. While September may not boast the highest probability of sunshine, it still offers a fair chance for those seeking a few pleasant, sunlit moments amidst the idyllic Welsh scenery.
As summer transitions to autumn, September in Fishguard offers a gentle shift in daylight, basking in approximately 12 hours of sunlight. This gradual decline follows the peak brightness of June and July, where the days stretch their longest, reaching 16 hours. As we move closer to winter, daylight dwindles steadily, with September standing as a bridge between the vibrant late-summer glow and the more subdued autumn light. Notably, in comparison to earlier months, September still retains a generous amount of sun, making it a delightful time to enjoy the coastal beauty before the darker months set in. This trend of decreasing daylight, while expected, brings a charming, cozy atmosphere perfect for reflecting on the changing seasons.
As September unfolds in Fishguard, the average wind speed gently settles at 4.3 m/s (10 mph), marking a transition from the summer breezes of August. This slight dip in wind velocity continues a trend observed throughout the late summer months, with July recording the calmest winds at 3.9 m/s (9 mph). However, as autumn approaches, the winds are poised to pick up again, with October predicted to see an increase to 7.1 m/s (16 mph). This pattern reflects a seasonal shift, suggesting that as the warmth of summer recedes, the briskness of autumn begins to take hold, enhancing the vibrant coastal atmosphere of Fishguard.
The weather in Fishguard 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 Fishguard and find detailed weather information for every month.
September and January present contrasting weather patterns, reflecting the shift from late summer to winter. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 25°C (77°F), with an average of 15°C (59°F) and high humidity at 85%. This month experiences about 105 mm (4.1 in) of precipitation over approximately 15 days, contributing to a relatively wet, yet warm, environment. In contrast, January sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 14°C (57°F), averaging around 8°C (46°F). Precipitation is also present in January, at 85 mm (3.4 in) over 14 days, but with slightly lower humidity at 81%. For more detailed insights into January weather specifics, you can check Fishguard weather in January.
September and February present quite the contrast in weather conditions. In September, temperatures typically range from a minimum of 8°C (46°F) to a pleasant average of 15°C (59°F), peaking at 25°C (77°F). The month sees about 105 mm (4.1 in) of precipitation over 15 days, coupled with high humidity at 85%. In contrast, February is much colder, with temperatures ranging from a minimum of -1°C (31°F) to an average of 7°C (46°F), and a maximum of only 13°C (56°F). Precipitation slightly increases to 107 mm (4.2 in) across 17 days, while humidity remains relatively stable at 84%. For more detailed weather insights in February, you can visit Fishguard weather in February.
In comparing the weather in September and March, we see notable differences in temperature and conditions. September enjoys milder temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 25°C (77°F), with an average of 15°C (59°F). In contrast, March is much cooler, with temperatures dipping as low as -4°C (26°F) and peaking at 15°C (59°F) for an average of just 8°C (46°F). Both months experience significant precipitation, with September receiving 105 mm (4.1 in) over 15 days, while March records 94 mm (3.7 in) across 17 days. Humidity levels are relatively high in both months, at 85% in September and slightly lower at 83% in March. For a deeper look at March weather specifics, you can check out Fishguard weather in March.
September weather is generally milder than that of April, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 25°C (77°F), compared to April's range of 3°C (37°F) to 19°C (66°F). While September experiences more rainfall, totaling 105 mm (4.1 in) over about 15 days, April sees less precipitation at 54 mm (2.1 in) over roughly 10 days. Humidity levels are fairly similar in both months, with September slightly higher at 85% compared to April's 84%. For a detailed look at April weather, you can visit Fishguard weather in April.
In September, the weather features a broader temperature range, with minimums around 8°C (46°F), averages of 15°C (59°F), and maximums peaking at 25°C (77°F). This month also experiences higher precipitation levels, averaging 105 mm (4.1 in) over 15 days. In contrast, May tends to be cooler, with minimum temperatures of 5°C (41°F), average temperatures of 11°C (53°F), and maximums reaching 21°C (70°F). Precipitation is significantly lower in May, amounting to 59 mm (2.3 in) over just 9 days, yet the humidity remains constant at 85%. For a detailed overview, check out Fishguard weather in May.
When comparing the weather in September and June, we notice some intriguing differences. September boasts a slightly wider temperature range, with minimums around 8°C (46°F), an average of 15°C (59°F), and maximums reaching up to 25°C (77°F). In contrast, June has a similar minimum of 8°C (47°F), but a slightly lower average temperature of 14°C (57°F) and maximums peaking at 23°C (73°F). Additionally, September experiences more precipitation, totaling 105 mm (4.1 in) over 15 days, compared to June's 83 mm (3.3 in) across 14 days. Humidity levels are quite comparable in both months, with September at 85% and June at 86%. For more detailed information about June weather, you can visit Fishguard weather in June.
September weather tends to be slightly cooler than July, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 25°C (77°F), compared to July’s range of 11°C (53°F) to 25°C (76°F). While both months can reach similar maximum temperatures, September's overall averages are lower, reflecting the transition into autumn. Additionally, September experiences more precipitation, with 105 mm (4.1 in) over 15 days, compared to July’s 68 mm (2.7 in) over 11 days. Humidity levels are also comparable, with September at 85% and July at 87%. For a more detailed look at July's climate in Fishguard, you can visit Fishguard weather in July.
In comparing September and August, it is evident that September experiences slightly cooler temperatures, with a minimum of 8°C (46°F) compared to August's minimum of 11°C (52°F). The average temperature in September is 15°C (59°F), while August's average is slightly warmer at 16°C (61°F). Maximum temperatures reach 25°C (77°F) in September, surpassing August's maximum of 23°C (73°F). Precipitation levels are comparable, with September recording 105 mm (4.1 in) and August just slightly lower at 101 mm (4.0 in), both occurring over about 15 days. Humidity remains high in both months, with September at 85% and August at 86%. For more detailed insights on August weather, you can check Fishguard weather in August.
September generally offers milder temperatures compared to October, with average highs reaching up to 25°C (77°F), while October sees a drop, peaking at 19°C (67°F). The minimum temperatures also decline, from September's 8°C (46°F) to October's cooler 3°C (38°F). Additionally, October experiences increased precipitation, totaling 138 mm (5.4 in) over 18 days, compared to September's 105 mm (4.1 in) over 15 days. Despite similar humidity levels of 85% in both months, October's overall weather feels more humid and damp, often leading to a chillier atmosphere. For more detailed information on October weather, you can refer to Fishguard weather in October.
September generally offers milder weather compared to November, with average temperatures peaking at 15°C (59°F) and highs reaching up to 25°C (77°F). In contrast, November brings cooler temperatures, with an average of just 10°C (50°F) and highs of 15°C (60°F). Both months experience significant rainfall, but November tends to be wetter, accumulating 144 mm (5.7 in) of precipitation over 21 days, compared to September's 105 mm (4.1 in) over 15 days. Humidity levels remain relatively high in both months, with September slightly more humid at 85% compared to November’s 82%. For a closer look at November weather specifics, you can visit Fishguard weather in November.
In comparing the weather between September and December, there is a notable shift in temperatures and precipitation. September enjoys a wider temperature range, with minimums around 8°C (46°F) and maximums reaching 25°C (77°F), while December sees cooler temperatures, with highs only peaking at 13°C (56°F) and lows dropping to 2°C (36°F). Additionally, December experiences a higher amount of rainfall, totaling 165 mm (6.5 in) over approximately 22 days, compared to September's 105 mm (4.1 in) across 15 days. Despite the increased precipitation in December, humidity remains fairly high at 80%, just slightly lower than September’s 85%. For more detailed seasonal insights, you can explore Fishguard weather in December.
As September rolls in, Fishguard's weather undergoes a noticeable shift, characterized by a blend of mild temperatures and increased precipitation. With an average temperature of 15°C, the month often feels fresh and invigorating, as cooler air replaces the warmth of summer. While occasional sunny days can reach up to 25°C, the notable increase in humidity at 85% serves as a reminder that autumn is on the horizon. Expect frequent showers, with rainfall occurring on about half the days of the month, making it distinctly wetter compared to the drier summer months. For a deeper dive into how Fishguard's weather varies throughout the year, check out Fishguard Climate.