September Weather in Kildare, Ireland

Last updated: March 17, 2025

In Kildare, Ireland, September showcases a diverse climate, with maximum temperatures reaching up to 26°C (80°F), allowing for invigorating late-summer days. The average temperature hovers around a crisp 13°C (57°F), while nights can dip to a chilly 0°C (33°F). During this month, residents and visitors can expect about 67 mm (2.6 inches) of rainfall over 12 days, coupled with a high humidity level of 86% that adds to the lush, green landscape. September in Kildare is truly a blend of warmth and refreshing coolness, enveloping the region in a vibrant autumn ambiance.

September Temperature in Kildare

September in Kildare, Ireland, marks a transition as summer gradually gives way to autumn. With minimum temperatures hovering around 0°C (33°F) and an average of 13°C (57°F), the month maintains a comfortable yet crisp atmosphere. Daytime highs can reach a pleasant 26°C (80°F), providing a final taste of warmth before the chill sets in. This fluctuation in temperatures hints at the changing season, making September a perfect time to enjoy the lush landscapes of Kildare, where nature's vibrancy begins to transform. As the month progresses, residents and visitors alike can expect a delightful blend of warm days and refreshing evenings, ideal for outdoor activities and exploration.

September Weather in Kildare: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kildare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344485358616056514643
Data source: Temperature data for Kildare generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kildare

In September, Kildare experiences a moderate precipitation amount of 67 mm (2.6 in) over approximately 12 rainy days. This marks a slight decrease from the preceding month of August, which saw 95 mm (3.8 in), indicating a transition into slightly drier conditions as autumn begins to settle in. Compared to the wetter summer months, September's rain totals are more aligned with the yearly trend, where rainfall begins to pick up again in October with 81 mm (3.2 in). Overall, September serves as a bridge, showcasing a balanced mix of moisture that supports the region's lush green landscapes while hinting at the approaching wetter months ahead.

September Precipitation Trends in Kildare

The chart displays monthly precipitation patterns in Kildare, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec548382487069729567818491
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kildare

As summer transitions into autumn, September in Kildare, Ireland, showcases a notable trend in humidity that reflects the lingering warmth of the season. With humidity peaking at 86%, September retains the high moisture levels characteristic of the previous months, particularly July and August. This consistency suggests that even as temperatures cool, the air remains rich with moisture, contributing to the lush, vibrant landscapes that Kildare is known for. In fact, this month marks the end of a humid streak, paving the way for a gradual rise in humidity in October. Overall, September’s humidity reinforces the region's maritime climate, creating a unique atmospheric charm that captivates locals and visitors alike.

September Average Humidity in Kildare

This chart illustrates the average monthly humidity levels in Kildare, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kildare

As September unfolds in Kildare, Ireland, the UV Index reaches a moderate level of 5, with a recommended burn time of 30 minutes under direct sunlight. This slight decrease from the high indices of summer months indicates a transition towards milder solar exposure as the days begin to shorten. It’s a reminder that even as temperatures cool, UV rays can still pose a risk, so it’s essential to stay protected during outdoor activities. With the UV Index trending downwards from 8 in July to 5 this month, residents can enjoy the beautiful early autumn days while remaining mindful of skin safety. For more detailed information on daily UV levels, visit Kildare UV Index.

Maximum UV Index Levels in Kildare for September

The chart shows the monthly maximum UV Index (UVI) for Kildare in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Kildare September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Kildare

As summer gracefully transitions into autumn, September in Kildare, Ireland, offers a delightful blend of warmth and sunshine, with an impressive 274 hours of sunlight illuminating the landscape. This month showcases a drop from the height of summer, but still maintains a vibrant glow compared to the darker months ahead. Following peak sunshine in July and June, September continues to reflect the lingering essence of summer, creating a picturesque backdrop for outdoor adventures. With each subsequent month leading into winter, Kildare's sunlit hours begin to dwindle, highlighting the fleeting beauty of this late summer month before the crisp embrace of October sets in. Such trends not only underscore the changing seasons but also invite residents and visitors alike to savor the last golden days of warmth.

Monthly Sunshine Duration in Kildare: September Highlighted

The September sunshine duration represents the total number of hours Kildare experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec79h135h173h280h369h363h365h308h274h224h114h89h
Data source: Kildare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kildare During September

In September, the likelihood of sunny weather in Kildare, Ireland, dips to 18%, reflecting a downward trend as summer fades into autumn. This marks one of the lowest probabilities for sunshine throughout the year, significantly less than the more promising figures seen in the spring months like April, which boasts a 41% chance. As the balmy days of summer come to an end, the weather transitions to cooler and cloudier conditions, making those rare sunny afternoons in September all the more cherished. With summer's spirited warmth giving way to autumn's embrace, it’s a gentle reminder that the days ahead will be filled with crisp breezes and vibrant fall colors, rather than an abundance of sunlight.

Percentage of Sunny Days in September in Kildare

The chart illustrates the percentage of sunny days in Kildare throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kildare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%21%19%41%32%21%28%24%18%17%25%21%
Data source: Kildare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kildare in September

As summer fades into autumn, Kildare, Ireland, experiences a noticeable shift in daylight duration. September showcases a gentle decline, offering about 12 hours of daylight—a harmonious transition from the longer days of July and August, which boast an impressive 16 and 14 hours, respectively. This month serves as a bridge, blending the lingering warmth of summer with the upcoming crispness of fall. Following September, daylight will continue to wane, dipping further to just 10 hours in October and down to 8 hours by November. This cyclical trend highlights the seasonal rhythm of light that characterizes life in Kildare, marking the gradual retreat of daylight as we head into the darker months ahead.

Average Daylight Hours in Kildare for September

The chart illustrates the variation in daylight duration in Kildare throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h 1m15h 52m16h 51m16h 19m14h 39m12h 36m10h 31m8h 37m7h 36m
Data source: Kildare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kildare

As September graces Kildare, Ireland, the winds start to soften, with an average speed of 3.1 m/s (7 mph), a gentle whisper compared to the more boisterous months before. This trend of declining wind speeds from the summer peak presents a calm transition into autumn, echoing the gradual change in the season. While February breathes in with the highest gusts of 5.2 m/s (12 mph), the winds mellow, peaking briefly in October at 4.1 m/s (9 mph) before settling again in the chill of late autumn. With its subtle breezes, September captures the essence of a waning summer, inviting a reflective tranquility as the lush Irish landscape prepares for the cooler months ahead.

Average September Wind Speed in Kildare

The chart displays monthly wind speed patterns in Kildare, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.75.24.13.13.53.42.63.23.1 m/s4.13.94.2
Data source: Kildare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kildare Compares to Other Months

The weather in Kildare 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 Kildare and find detailed weather information for every month.

September and January exhibit contrasting weather patterns. September sees a wider temperature range, with minimums around 0°C (33°F) and maximums reaching 26°C (80°F), and an average of 13°C (57°F). This month also experiences higher humidity levels at 86% and more precipitation, totaling 67 mm (2.6 in) over approximately 12 days. In contrast, January is much colder, with minimum temperatures dropping to -5°C (23°F) and averaging around 6°C (42°F) with maximum temperatures only reaching 14°C (57°F). The precipitation in January is slightly lower at 54 mm (2.1 in) but occurs over just 10 days, and humidity remains close at 85%. For a more detailed look at January weather, visit Kildare weather in January.

September and February present contrasting weather conditions. In September, temperatures begin to cool, with averages around 13°C (57°F) and a maximum of 26°C (80°F), making it a mild month. The precipitation is relatively moderate at 67 mm (2.6 in) over about 12 days, and the humidity remains high at 86%. In contrast, February is chillier, with an average temperature of 6°C (43°F) and a maximum reaching only 16°C (62°F). Precipitation increases slightly to 83 mm (3.3 in) over approximately 15 days, maintaining the same humidity level of 86%. For more details, you can check Kildare weather in February.

September and March exhibit notable differences in weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 0°C (33°F) to a pleasant maximum of 26°C (80°F), with an average of 13°C (57°F). This month experiences 67 mm (2.6 in) of precipitation over approximately 12 days, maintaining high humidity levels at 86%. In contrast, March sees colder conditions, with temperatures dropping to a minimum of -6°C (21°F) and rising to a maximum of 17°C (64°F), averaging around 7°C (45°F). The month also has higher precipitation at 82 mm (3.2 in) over about 17 days, while humidity remains steady at 86%. For a more detailed look at the weather in March, check out Kildare weather in March.

In comparing the weather between September and April, it is clear that September tends to be milder overall. With average temperatures reaching 13°C (57°F) and a maximum of 26°C (80°F), it offers a warmer experience compared to April's cooler average of 9°C (48°F) and maximum of 21°C (71°F). However, April frequently sees lower minimum temperatures, dipping to -4°C (26°F), while September remains above the freezing point with a minimum of 0°C (33°F). Precipitation levels are also notable; September experiences more rainfall at 67 mm (2.6 in) over 12 days compared to April's 48 mm (1.9 in) over 10 days. Overall, while both months have high humidity around 85-86%, September offers a generally warmer and wetter climate. For a detailed look at the conditions, check out Kildare weather in April.

In comparing the weather of September and May, both months exhibit relatively mild temperatures, but with some notable differences. September typically ranges from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), resulting in a comfortable average temperature of 13°C (57°F). In contrast, May starts a bit cooler with temperatures dropping to a minimum of -2°C (29°F) and peaking at 25°C (76°F) for an average of 12°C (53°F).

Both months receive similar amounts of precipitation, with September recording 67 mm (2.6 in) and May slightly higher at 70 mm (2.8 in), each experiencing around 12 days of rain. Humidity levels are comparable as well, with September at 86% and May slightly lower at 83%. This makes May feel a touch drier, but overall, both months share a relatively humid climate. For more detailed insights about May weather, you can check Kildare weather in May.

When comparing the weather in September and June, both months exhibit relatively mild temperatures, but September tends to be slightly cooler overall. September's average temperature is around 13°C (57°F), with a maximum of 26°C (80°F), while June averages 14°C (58°F) and can reach up to 28°C (83°F). Additionally, September experiences more humidity at 86%, compared to June's 85%. Precipitation levels are quite similar, with September receiving 67 mm (2.6 in) over 12 days and June experiencing 69 mm (2.7 in) across 13 days. For more detailed insights, you can visit Kildare weather in June.

In comparing the weather of September and July, September experiences a broader temperature range with minimums dropping to 0°C (33°F) and maximums reaching 26°C (80°F), averaging around 13°C (57°F). In contrast, July is generally warmer, with minimum temperatures starting at 6°C (43°F) and maximums peaking at 29°C (84°F), averaging 16°C (61°F). Both months have a similar level of humidity at 86% and comparable precipitation levels—September receives 67 mm (2.6 in) over about 12 days, while July records slightly more with 72 mm (2.8 in) across 13 days. For detailed weather information, you can check Kildare weather in July.

September generally features cooler temperatures compared to August, with minimums dropping from 6°C (42°F) in August to as low as 0°C (33°F) in September. The average temperature also declines slightly, from 15°C (60°F) in August to 13°C (57°F) in September, although the maximum temperature can reach a pleasant 26°C (80°F). Precipitation patterns show September receiving 67 mm (2.6 inches) over 12 days, which is less frequent than August's 95 mm (3.8 inches) over 17 days. Humidity remains relatively high in both months, with September at 86% and August at 85%. For more details, you can check Kildare weather in August.

In comparing the weather patterns of September and October, we see a notable shift as autumn progresses. September boasts milder temperatures with a minimum of 0°C (33°F) and an average high of 26°C (80°F), while October's temperatures drop further, featuring a minimum of -2°C (29°F) and an average high of only 20°C (68°F). Additionally, October experiences a slight increase in precipitation, with 81 mm (3.2 in) over 15 days compared to September's 67 mm (2.6 in) across 12 days. Humidity remains consistently high in both months, with October recording 87% compared to September's 86%. For a more detailed look at weather insights during this time, visit Kildare weather in October.

September and November present quite distinct weather patterns. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), with an average temperature of 13°C (57°F). The month experiences 67 mm (2.6 in) of precipitation over about 12 days, while humidity remains high at 86%. In contrast, November is cooler, with temperatures dipping to a minimum of -3°C (28°F) and topping out at 15°C (60°F), averaging at 8°C (46°F). It also sees an increase in precipitation to 84 mm (3.3 in) spread over approximately 14 days, with humidity holding steady at 86%. For more details on the weather in November, you can visit Kildare weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (80°F) and an average of 13°C (57°F). The month experiences an average of 67 mm (2.6 in) of precipitation over 12 days, coupled with high humidity levels of 86%. In contrast, December brings colder temperatures, with a minimum of -5°C (23°F), an average of 6°C (44°F), and a maximum of 14°C (57°F). This month sees increased precipitation at 91 mm (3.6 in) over 15 days, while humidity remains relatively stable at 84%. For more detailed information about December weather, visit Kildare weather in December.

Compare Kildare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kildare

As September rolls into Kildare, the weather showcases a delightful transition from summer to autumn. Daytime temperatures reach a pleasant maximum of 26°C, while the evenings cool down to an average of 13°C, offering a comfortable balance perfect for outdoor activities. However, with 86% humidity and about 12 days of rain, don’t forget your umbrella! This month sets itself apart from the warmer and drier summer months, introducing a distinct briskness that hints at the coming season. For a deeper look into Kildare's evolving climate throughout the year, visit Kildare Climate.