Last updated: March 17, 2025
September in Donaghadee, United Kingdom, offers a mild yet variable climate, with maximum temperatures reaching around 19°C (66°F) and an average of 14°C (57°F). Cool evenings can bring temperatures down to a minimum of 9°C (49°F). However, expect a fair amount of rain, with approximately 107 mm (4.2 in) falling over 17 days throughout the month. The high humidity level at 88% adds to the overall dampness, creating a characteristic autumnal feel. Despite the rain, this picturesque coastal town provides a unique charm, making it a captivating destination to explore during September.
In September, Donaghadee experiences a transition from summer warmth to the cool embrace of autumn. The temperatures range from a mild 9°C (49°F) at night to a comfortable 19°C (66°F) during the day, offering a pleasant average of 14°C (57°F). This month marks a notable change, as it sits comfortably above the cooler early months of the year, while still retaining a hint of summer's warmth. As the days shorten and the leaves begin to turn, September provides a delightful backdrop for outdoor activities and scenic walks, making it an ideal time to enjoy the picturesque coastal views. Overall, the climate strikes a perfect balance, inviting both locals and travelers to relish the beauty of Donaghadee before the chill of autumn sets in.
September in Donaghadee sees a notable shift in precipitation patterns, with 107 mm (4.2 in) of rain spread over 17 days. This increase follows the higher rainfall of August, which recorded the year's peak at 127 mm (5.0 in). As the month transitions into autumn, the frequency and volume of rain suggest a gradual return to the wetter weather typical of the latter part of the year. With October and November looming, both of which average above 140 mm, September serves as a precursor, hinting at the more persistent rainfall to come. This trend illustrates how Donaghadee's climate evolves, embracing a damp and dramatic shift as the seasons change.
September in Donaghadee brings a notable increase in humidity, reaching 88%, the highest level since March. This uptick marks the end of summer, transitioning into autumn, where humidity remains relatively high throughout the fall months. Historically, Donaghadee experiences a gradual decline in humidity from these peak levels, as the weather cools down. The consistent high humidity in September, alongside the surrounding months of August and July at 86%, creates a moist atmosphere that can enhance the occasional brisk sea breeze, offering a unique and refreshing experience as the seasons shift.
As summer gives way to autumn in Donaghadee, September brings a moderate UV Index of 5, encouraging outdoor enthusiasts to remain vigilant about sun protection. This marks a slight decline from the high levels experienced in August (UV Index 6), yet it still requires attentive care when basking in the sun, with a recommended burn time of 30 minutes. Following a trend seen throughout the year, the UV Index in September mirrors that of April, showcasing the shifting sunlight as we approach the cooler months. As you enjoy the early autumn days, be mindful of UV exposure and stay informed about local conditions by checking the Donaghadee UV Index for updates.
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September in Donaghadee is a delightful transition from summer to autumn, bathing the town in an impressive 302 hours of sunshine. This marks a notable decline from the sun-soaked peak of 415 hours in July, yet it still outshines October’s 233 hours. The month embraces the lingering warmth of summer, encouraging locals and visitors alike to revel in the scenery before the shorter days of winter set in. As the sunshine begins to taper off from the vibrant highs of the summer months, September stands as a glorious farewell to the sunny days, providing ample opportunity for outdoor adventures amidst the breathtaking coastal landscape.
In Donaghadee, the likelihood of sunny weather takes a noticeable dip come September, with just a 23% chance of sunshine. This pattern aligns with the trend observed from the peak of spring, where April enjoys a much brighter 49%, to the less favorable conditions of late autumn, which see a further decline, dropping to 20% in October. Comparatively, September's sunshine probability mirrors that of August and March, suggesting that as summer fades, so too does the sun's presence. Overall, if you're hoping for clear skies, early autumn appears to be less promising than the vibrant spring months that precede it.
As summer fades, September in Donaghadee, United Kingdom, brings a gentle transition in daylight duration, with an average of 12 hours of sunlight. This marks a slight decline from the summer peak of 17 hours in June and 16 hours in July, reflecting the gradual shift towards autumn. The days are still relatively long, offering a warm glow as nature begins to prepare for the cooler months ahead. Visitors can enjoy the last of the summery light, as daylight slowly decreases to 10 hours by October, making September a perfect time to relish the lingering warmth before the shorter days of winter arrive.
In September, the wind in Donaghadee begins to pick up from the calmer summer months, averaging 4.7 m/s (11 mph)—a slight increase from August's gentle breezes. This transition marks a pivotal shift in the season as the coastline prepares for the more robust winds of autumn. Compared to the notably strong gusts of January and October, where average speeds exceed 6.9 m/s (15 mph) and 7.1 m/s (16 mph) respectively, September's winds offer a more serene atmosphere perfect for leisurely coastal walks. As the month progresses, one can feel the crispness in the air hinting at the approaching fall, while still enjoying a touch of summer's lingering calm.
The weather in Donaghadee 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 Donaghadee and find detailed weather information for every month.
September and January present distinctly different weather conditions. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F), providing a mild and relatively warm environment. However, this month also sees considerable precipitation, totaling 107 mm (4.2 in) over 17 rainy days, with high humidity at 88%. In contrast, January experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 13°C (55°F), averaging 7°C (45°F). Although January has less precipitation at 90 mm (3.5 in) over 15 days, the humidity remains similarly high at 87%. For more detailed information, check out this link: Donaghadee weather in January.
The weather in September is generally milder than in February, with average temperatures reaching around 14°C (57°F) compared to February's cooler 7°C (44°F). September experiences slightly higher maximum temperatures of up to 19°C (66°F), while February peaks at just 11°C (53°F). Both months see considerable precipitation, with September receiving about 107 mm (4.2 in) and February slightly more at 121 mm (4.8 in), each with rain on approximately 17 days. Humidity levels are quite similar, with September at 88% and February at 86%. For more detailed information about February weather, you can check Donaghadee weather in February.
In comparison to March, September offers notably warmer temperatures, with average highs reaching 19°C (66°F) compared to just 13°C (55°F) in March. The minimum temperatures also reflect this difference, as September's lows are 9°C (49°F), while March can drop to -1°C (30°F). Although both months experience about 17 days of precipitation, September sees slightly higher rainfall at 107 mm (4.2 in) versus March's 99 mm (3.9 in). Humidity levels are somewhat similar, with September at 88% and March at 86%, indicating that both months can feel quite damp. For a closer look at March weather specifics, visit Donaghadee weather in March.
In comparing the weather between September and April, September boasts a milder climate with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), while April is cooler, with temperatures averaging between 3°C (37°F) and 13°C (55°F). Additionally, September experiences significantly higher precipitation, totaling 107 mm (4.2 in) over 17 days, compared to April's 43 mm (1.7 in) spread over just 9 days. Despite this difference, both months maintain relatively high humidity levels, with September at 88% and April at 85%. For those interested in a closer look at April's climate, check out Donaghadee weather in April.
When comparing the weather in September and May, September tends to be slightly warmer, with temperatures averaging 14°C (57°F) compared to May's 10°C (50°F). The maximum temperatures in September can reach up to 19°C (66°F), while May peaks at 15°C (59°F). Additionally, September experiences more precipitation, with 107 mm (4.2 in) spread over 17 days, compared to May's 67 mm (2.6 in) over just 12 days. Humidity levels are also higher in September at 88%, while May has a relatively lower humidity of 82%. For a more detailed look at May's weather, you can visit Donaghadee weather in May.
When comparing the weather in September and June, September tends to be warmer overall, with an average temperature of 14°C (57°F) and a maximum reaching 19°C (66°F), compared to June, which has an average of 12°C (55°F) and a maximum of 17°C (62°F). Additionally, September experiences higher precipitation, totaling 107 mm (4.2 in) over 17 days, while June sees 93 mm (3.7 in) over 14 days. Humidity is slightly higher in September at 88%, compared to 84% in June, contributing to the overall feeling of mugginess in late summer. For a detailed look at Donaghadee's June weather, you can visit Donaghadee weather in June.
In comparing the weather of September and July, we see that both months have similar average temperatures, with highs reaching 19°C (66°F). However, September experiences slightly cooler minimum temperatures than July, which has a low of 11°C (51°F) compared to September's 9°C (49°F). Precipitation is relatively high in both months, with September recording a total of 107 mm (4.2 in) over 17 days, while July has slightly more at 113 mm (4.4 in) over 14 days. Humidity levels are comparable, with September at 88% and July at 86%. For more detailed insights about July weather, you can visit Donaghadee weather in July.
September experiences slightly cooler temperatures compared to August, with minimums dropping from 11°C (52°F) in August to 9°C (49°F) in September. While the average temperature remains consistent around 14°C (58°F), maximum temperatures are marginally higher in August at 18°C (65°F) compared to 19°C (66°F) in September. Precipitation levels decline as well, with September recording 107 mm (4.2 in) over 17 days, contrasting with August's 127 mm (5.0 in) across 18 days. Interestingly, September has a higher humidity level at 88% compared to August's 86%. For more detailed information on the weather in August, you can check Donaghadee weather in August.
September and October in Donaghadee present a noticeable shift in weather patterns. September typically enjoys slightly warmer temperatures, with averages around 14°C (57°F) and highs reaching 19°C (66°F), while October sees an overall cooler average of 12°C (53°F) and maximums of 17°C (62°F). The transition into October also brings increased precipitation, with October recording 143 mm (5.6 in) over 21 days, compared to September's 107 mm (4.2 in) across 17 days. Humidity remains relatively high in both months, slightly increasing from 88% in September to 89% in October. For more detailed information, check out Donaghadee weather in October.
September and November exhibit a notable shift in weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F). The month experiences 107 mm (4.2 in) of precipitation over 17 days, coupled with a high humidity level of 88%. In contrast, November sees temperatures drop further, with a minimum of 4°C (40°F) and an average of just 9°C (49°F), peaking at 14°C (58°F). Rainfall increases to 147 mm (5.8 in) over 22 days, and humidity slightly rises to 90%. To learn more about the weather specifics in November, you can visit Donaghadee weather in November.
September and December display notable differences in weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 14°C (57°F). This month sees about 107 mm (4.2 in) of precipitation over 17 days, accompanied by high humidity levels at 88%. In contrast, December experiences cooler temperatures, with a minimum of 3°C (37°F), an average of 8°C (46°F), and a maximum of 13°C (55°F). Additionally, December is wetter, with 135 mm (5.3 in) of precipitation spread over 21 days, while humidity remains slightly lower at 86%. For more specific insights about December weather, you can visit Donaghadee weather in December.
As summer transitions to autumn, September in Donaghadee brings a refreshing change in weather, characterized by cooler temperatures and increased humidity. While the maximum temperature is still moderately pleasant, the month is marked by higher rainfall, with significant precipitation on many days, making it one of the wetter months of the year. This shift not only refreshes the landscape but also invites a unique blend of cozy attire and vibrant surroundings. For a deeper dive into the climate trends in this charming coastal town, explore Donaghadee Climate.