Last updated: March 17, 2025
In Bantry, Ireland, September presents a dynamic tapestry of weather, where temperatures fluctuate from a brisk 3°C (37°F) at night to a pleasant 26°C (79°F) during the day. The average temperature hovers around a comfortable 13°C (56°F), perfect for enjoying the picturesque landscapes. However, with 93 mm (3.6 in) of rain spread over 15 days, visitors should prepare for occasional downpours amid the lush beauty. The relatively high humidity of 85% adds to the area's vibrant atmosphere, making September a month of refreshing contrasts and natural splendor in this charming coastal town.
September in Bantry, Ireland offers a delightful transition from the warmth of summer to the cooler embrace of autumn. With nighttime temperatures dipping to 3°C (37°F), the crisp air beckons as the days bask in an average of 13°C (56°F), peaking at a pleasant 26°C (79°F). This month marks a significant shift, showcasing a notable decrease from the summer highs, yet retaining enough warmth to enjoy outdoor activities. As the landscape begins to don its autumn colors, September truly captures the essence of change, inviting visitors to experience both the lingering warmth and the freshness that heralds the seasonal transition.
September in Bantry, Ireland, brings with it 93 mm (3.6 in) of precipitation over approximately 15 days, making it a month of significant rainfall, albeit slightly less than the preceding August. This transition marks a gradual uptick from the drier summer months, reflecting a shift towards the wetter autumn season. Notably, while July and June recorded the least rainfall of the year with just 77 mm (3.0 in) and 81 mm (3.2 in) respectively, September shows an increase that foreshadows the even more substantial rainfall that October and December typically deliver, each averaging around 143 mm (5.6 in). This pattern underscores Bantry's characteristic maritime climate and highlights the importance of preparing for the increasingly rainy months ahead.
September in Bantry, Ireland, reveals a consistent pattern of humidity as the summer transitions into autumn. With humidity levels at 85%, the month mirrors the high humidity seen in the peak of summer, maintaining the oceanic climate's signature feel. Throughout the year, humidity fluctuates slightly, peaking in February at 85% and dipping to a minimum of 83% in January and December. This notable stability in humidity levels, remaining predominantly in the mid-80s, suggests that Bantry's charm lies in its lush, green landscapes nurtured by this moisture, making it a captivating destination for those who appreciate a maritime climate.
In September, Bantry, Ireland, experiences a moderate UV Index of 5, reflecting a gentle shift from the high and very high levels seen in the summer months. As the sun begins to lower in the sky, the exposure category remains moderate, allowing for about 30 minutes of safe sun exposure for most skin types. This trend marks a gradual decrease in UV intensity from August's high index of 7, suggesting that while it's still wise to enjoy the outdoors, protective measures become increasingly important. As we transition into autumn, it's crucial to stay aware of these changing levels to safeguard your skin. For more detailed information, visit Bantry UV Index.
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In September, Bantry, Ireland basks in a delightful 296 hours of sunshine, a fitting farewell to summer as daylight begins to wane. This month marks a notable decline in sunny hours compared to the bustling summer months of July and August, which boasted 387 and 352 hours, respectively. As the year transitions into autumn, the weather offers a charming blend of conditions; while the warmth of summer still lingers, the crispness of fall beckons. September's sunshine is not only a gateway to the upcoming coziness of winter but also a reminder of the vibrant brightness that characterized the previous months, giving way to a serene, golden glow before the days grow shorter.
In September, the likelihood of enjoying sunny weather in Bantry, Ireland is notably low, with only an 18% chance of sunshine. This reflects a downward trend as the summer months come to an end; July, for instance, peaks at 29%, providing a stark contrast to the gloomier September skies. Following a relatively brighter April at 40%, sunshine steadily diminishes into the autumn months, suggesting that those seeking warmth and light should plan their visits earlier in the year. As the season shifts, residents and visitors alike can expect to greet September with more overcast days, a characteristic signature of Ireland's transitional climate.
As September graces Bantry, Ireland, the days begin to transition from the long, sunlit hours of summer to the crispness of autumn. With approximately 12 hours of daylight, September witnesses a gentle decline from the vibrant 14 hours enjoyed in August. This gradual shift reflects a broader trend throughout the year, where daylight peaks in the summer months of June and July, basking in a generous 16 hours, before retreating into the shorter days of autumn and winter. This rhythmic dance of light not only marks the passage of the seasons but also invites residents and visitors alike to savor the lingering warmth and beauty of early fall evenings.
As autumn approaches, September winds in Bantry, Ireland gently whisper at an average speed of 3.3 m/s (7 mph), marking a slight dip from the summer months. This seasonal transition reflects a broader pattern where wind speeds tend to fluctuate throughout the year. Notably, January begins with a brisk 3.6 m/s, while February features a peak of 5.5 m/s (12 mph), only to taper off during the warmer months of July and August, when the winds become gentler at around 3.0 to 3.4 m/s (7-8 mph). As September rolls in, it sets the stage for the return of slightly stronger gusts in October, hinting at the winter’s approach. The cyclical nature of wind patterns in Bantry not only showcases the region's changing seasons but also evokes a sense of calm that wraps around the lush landscapes, inviting both residents and visitors to embrace the beauty of the onset of autumn.
The weather in Bantry 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 Bantry and find detailed weather information for every month.
September and January exhibit quite different weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). This month experiences higher humidity at 85% and approximately 93 mm (3.6 in) of precipitation over 15 days. In contrast, January presents cooler conditions, with temperatures ranging from -5°C (23°F) to a maximum of 13°C (56°F) and an average of 6°C (43°F). The precipitation is slightly lower at 84 mm (3.3 in) over 12 days, while the humidity remains relatively similar at 83%. For more insights on January weather in Bantry, you can check Bantry weather in January.
In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F) and an average of 13°C (56°F). This month experiences lower precipitation, with about 93 mm (3.6 in) over 15 days. In contrast, February brings colder temperatures, with a range from -3°C (26°F) to a maximum of 13°C (56°F) and an average of just 6°C (44°F). Precipitation levels increase significantly in February, totaling 155 mm (6.1 in) over 18 days. Both months share similar humidity levels at 85%, but February's chill and dampness create a very different atmosphere. For more detailed insights, you can explore Bantry weather in February.
The weather in September is generally warmer than in March, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F) and an average of 13°C (56°F). In contrast, March features cooler temperatures, with a minimum of -7°C (20°F), an average of 7°C (44°F), and a maximum of 17°C (63°F). While September experiences around 93 mm (3.6 in) of precipitation over 15 days, March has slightly more at 116 mm (4.6 in) across 17 days. Both months have similar humidity levels, with September at 85% and March at 84%. For more details on March weather in the region, check out Bantry weather in March.
September and April present distinct weather patterns, with September generally being warmer and more variable. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). In contrast, April sees cooler overall temperatures, with a minimum of -2°C (29°F), average of 9°C (48°F), and a maximum of 19°C (67°F). Both months receive similar amounts of precipitation—around 91 to 93 mm (3.6 in)—but September experiences slightly more rainfall spread over 15 days compared to April's 12 days of rain. Humidity is similar in both months, with September at 85% and April at 84%. For more detailed insight into April's weather, you can visit Bantry weather in April.
When comparing the weather in September and May, both months exhibit mild temperatures, but September tends to be slightly warmer. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), with an average of 13°C (56°F). In contrast, May sees temperatures ranging from 0°C (31°F) to 24°C (75°F), averaging around 11°C (52°F). Precipitation levels are quite similar, with September receiving 93 mm over 15 days and May receiving 91 mm over 14 days. Humidity is also comparable, at 85% in September and 84% in May, making both months feel quite humid. For more specific insights into the weather patterns of May, you can visit Bantry weather in May.
In September, the weather begins to transition towards cooler temperatures, with minimums around 3°C (37°F) and maximums reaching up to 26°C (79°F), offering an average temperature of 13°C (56°F). This month also sees higher precipitation, totaling 93 mm (3.6 in) over about 15 days, while humidity remains at 85%. In contrast, June brings slightly warmer temperatures with a minimum of 5°C (40°F) and maximums climbing to 29°C (85°F), resulting in an average of 14°C (57°F). Rainfall is somewhat less prevalent in June at 81 mm (3.2 in) over 14 days, but the humidity level remains consistent at 85%. For more details on weather patterns, you can refer to Bantry weather in June.
In comparing the weather of September and July, September tends to be cooler with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), while July experiences slightly warmer conditions with temperatures between 7°C (45°F) and 28°C (82°F). Both months have high humidity levels at 85%, but September sees more precipitation, totaling 93 mm (3.6 in) over 15 days, compared to July's 77 mm (3.0 in) over 13 days. For a detailed overview of July's climate in Bantry, you can visit Bantry weather in July.
In comparing the weather of September and August, September experiences slightly cooler temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), compared to August's minimum of 6°C (43°F) and average of 15°C (59°F). The maximum temperature in September reaches up to 26°C (79°F), surpassing August's maximum of 23°C (74°F). However, September sees more precipitation overall, totaling 93 mm (3.6 in) across 15 days, while August has higher rainfall at 121 mm (4.8 in) over 18 days. Humidity levels remain relatively consistent, with September at 85% and August slightly lower at 84%. For more details on August's weather, you can check Bantry weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 3°C (37°F) and a maximum of 26°C (79°F), resulting in a more pleasant average of 13°C (56°F). The month sees about 93 mm (3.6 in) of precipitation over approximately 15 days, along with relatively high humidity at 85%. In contrast, October brings cooler temperatures, with lows dropping to -1°C (31°F) and highs peaking at 18°C (65°F), leading to a lower average of 10°C (51°F). This month experiences increased precipitation at 143 mm (5.6 in) over 17 days and slightly higher humidity at 86%. For those interested in the specifics of October weather, you can find more information here: Bantry weather in October.
September and November present contrasting weather patterns as autumn progresses. September enjoys milder temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), while November brings chillier air, dropping to a minimum of -1°C (30°F) and an average of 8°C (46°F). The likelihood of rain increases slightly in November, accumulating 110 mm (4.3 in) over 16 days compared to September's 93 mm (3.6 in) over 15 days. Both months maintain high humidity levels, with September at 85% and November slightly lower at 84%. For a detailed look at November weather conditions, visit Bantry weather in November.
In September, the weather is relatively mild, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), and an average of 13°C (56°F). The month experiences considerable rainfall of 93 mm (3.6 in) over 15 days, accompanied by high humidity at 85%. In contrast, December brings colder conditions, with temperatures dropping to a minimum of -2°C (28°F) and averaging around 7°C (45°F), reaching a maximum of 13°C (56°F). Rainfall increases to 143 mm (5.6 in) over 19 days, resulting in slightly lower humidity at 83%. For more details on the December weather, you can check Bantry weather in December.
As September unfolds in Bantry, the weather begins to transition from the warmth of summer to the crispness of autumn. Daytime temperatures can still reach a pleasant 26°C, but evenings feel noticeably cooler, often dipping down to 3°C. With an average temperature of 13°C, the month brings a blend of both warmth and chill. Rainfall becomes more frequent, with 15 days seeing precipitation, resulting in a total of 93 mm over the month, which contributes to the lush greenery characteristic of this region. The high humidity of 85% adds a certain mugginess to the air, differentiating September from the drier months that precede it. For those seeking a deeper understanding of Bantry's atmospheric patterns throughout the year, be sure to check out Bantry Climate.