September Weather in Bray, Ireland

Last updated: March 17, 2025

In September, Bray, Ireland, experiences a delightful transition towards autumn, with maximum temperatures reaching 20°C (68°F) and an average of 14°C (57°F). As the month progresses, the weather cools down, with temperatures dipping to a minimum of 7°C (45°F). This time of year is also marked by significant rainfall, accumulating 82 mm (3.2 in) over about 14 days, contributing to the region's lush greenery. With humidity levels around 86%, visitors will feel the crispness in the air, making it an enchanting period for exploration and enjoying the beautiful coastal scenery that Bray has to offer.

September Temperature in Bray

As September arrives in Bray, Ireland, temperatures begin to ease into the pleasant embrace of early autumn. The month starts with a minimum of 7°C (45°F), rising to a comfortable average of 14°C (57°F) and peaking at a max of 20°C (68°F). This marks a transition from the summer warmth of August, yet the residual heat still invites outdoor activities. The gradual decline in temperatures hints at the seasonal shift, bridging the vibrant summer days with the refreshing coolness that October brings. September offers a delightful balance, making it an ideal time for both exploring the breathtaking landscapes and enjoying the crisp, invigorating air.

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

The chart illustrates September temperature patterns in Bray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444445475156595957534946
Data source: Temperature data for Bray generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bray

In September, Bray, Ireland experiences a notable embrace of rainfall, with an average precipitation of 82 mm (3.2 in) over 14 days. This marks a slight decline from the wetter August, which recorded 96 mm of rain across 16 days, suggesting a gradual shift towards drier conditions as autumn approaches. However, September's precipitation remains relatively steady in the context of the year, aligning closely with the preceding months of July and June. Notably, as temperatures cool, the onset of increased rainfall becomes evident in October and November, where averages rise further, peaking at 127 mm in November. Thus, September serves as a transitional month, hinting at the intensifying wet season ahead.

September Precipitation Trends in Bray

The chart displays monthly precipitation patterns in Bray, 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.
JanFebMarAprMayJunJulAugSepOctNovDec708687486175789682101127110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bray

In Bray, Ireland, September sees a continuation of the region's characteristic high humidity levels, averaging 86%. This month’s figures align closely with the trends established throughout the summer, where humidity remained consistently in the mid to high eighties. Notably, September is part of a subtle upward trajectory leading into autumn; while the humidity dips slightly from the peak summer months, it is on par with the previous month, August. As the year progresses, residents can expect a gradual increase to 87% in October, suggesting that the refreshingly crisp autumn air is accompanied by lingering moisture. Overall, Bray's humidity levels showcase a pattern of stability and slight variability that enriches its coastal climate.

September Average Humidity in Bray

This chart illustrates the average monthly humidity levels in Bray, 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 Bray

As summer wraps up, September in Bray, Ireland, sees a noticeable shift in the UV Index, dropping to 5—classified as moderate—after the peaks of the previous months. With a burn time of 30 minutes, it’s a reminder to enjoy the outdoors while still taking care of your skin. Following a summer where UV levels soared to 8 in both June and July, September offers a more manageable climate for sun-seekers. This trend suggests that while the intensity of UV radiation diminishes, it remains crucial to stay vigilant. For more detailed insights, check out the complete information at Bray UV Index.

Maximum UV Index Levels in Bray for September

The chart shows the monthly maximum UV Index (UVI) for Bray 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: Bray 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 Bray

As September unfolds in Bray, Ireland, the lingering warmth of summer still graces the town with an impressive 308 hours of sunshine. This month, while slightly dimmer compared to the summer peak in May, represents a significant contrast to the dreariness that follows in October and November. The sunshine hours appear to follow a natural ebb and flow, with the light steadily increasing from a modest 87 hours in January to a dazzling 408 hours in May. As the year progresses, there’s a notable decline, bringing the daytime brightness back down to 127 hours in November. Thus, September embodies that perfect balance of fading summer radiance, encouraging residents and visitors alike to soak in the last few rays before the winter gloom envelops the landscape.

Monthly Sunshine Duration in Bray: September Highlighted

The September sunshine duration represents the total number of hours Bray 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h153h207h329h408h401h403h361h308h237h127h101h
Data source: Bray September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bray During September

In Bray, Ireland, September sees a modest 23% chance of sunny weather, which aligns closely with the overall trend of declining sunshine probabilities as summer transitions into autumn. Following the warmer months of July and August, where chances hover around 34% and 27% respectively, September marks a noticeable dip in sunny days. Similar patterns emerge in the months leading into winter, with October and November also showcasing low likelihoods of sun at 21% and 27%. This gradual decrease highlights the typical Irish weather transition, suggesting that while September may still offer some bright days, visitors should brace for the more unpredictable, cloudier conditions that autumn often brings.

Percentage of Sunny Days in September in Bray

The chart illustrates the percentage of sunny days in Bray 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 Bray experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%23%25%49%35%27%34%27%23%21%27%24%
Data source: Bray September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bray in September

As summer fades, September in Bray, Ireland, ushers in a gentle transition with 12 hours of daylight. This month marks a notable shift from the peak brightness of June and July, when the sun graced the skies for an impressive 16 hours each day. Following the lively summer months, daylight begins to wane as September prepares the landscape for autumn's embrace. With 14 hours in August still fresh in memory, the gradual decrease in sunlight not only signals the changing seasons but also invites a cozy atmosphere, perfect for enjoying the vibrant hues of fall. As the days continue to shorten into October, daylight remains a precious gift, urging us to make the most of every sunlit hour.

Average Daylight Hours in Bray for September

The chart illustrates the variation in daylight duration in Bray 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 50m16h 19m14h 39m12h 36m10h 31m8h 38m7h 37m
Data source: Bray daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bray

As summer gives way to autumn, September in Bray, Ireland experiences a gentle lull in wind speed, averaging around 4.3 m/s (10 mph). This transition marks a notable dip from the summer months, where winds were at their calmest in July, averaging just 3.4 m/s (8 mph). The gradual increase in wind speeds begins again in October, reaching 6.7 m/s (15 mph), signaling the arrival of autumn's breezier days. Overall, the data reveals a clear seasonal trend: as the year progresses from the stillness of summer to the lively currents of autumn, the winds in Bray shift from soft whispers to spirited gusts, reflecting the dance of the changing seasons.

Average September Wind Speed in Bray

The chart displays monthly wind speed patterns in Bray, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.48.26.04.65.24.83.44.64.3 m/s6.76.66.8
Data source: Bray September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bray Compares to Other Months

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

In September, temperatures are generally milder with a minimum of 7°C (45°F) and an average of 14°C (57°F), reaching a maximum of 20°C (68°F), while January sees colder conditions, with temperatures dropping to a minimum of 1°C (33°F) and an average of 7°C (44°F). September experiences more rainfall, totaling 82 mm (3.2 in) over 14 days, whereas January has slightly less precipitation at 70 mm (2.7 in) across 11 days. Humidity levels are quite similar, with September at 86% and January at 85%, making both months feel damp. For more insights, check Bray weather in January.

In comparing the weather of September and February, September tends to be milder with average temperatures ranging from 7°C (45°F) to a maximum of 20°C (68°F), while February is notably cooler, with average temperatures from 0°C (33°F) to a maximum of 13°C (56°F). Both months experience high humidity at 86%, contributing to a damp atmosphere. Interestingly, September sees slightly less precipitation at 82 mm (3.2 in) over 14 days, whereas February has a marginally higher precipitation level of 86 mm (3.4 in) across 15 days. For more detailed insights, you can explore Bray weather in February.

In comparing the weather of September and March, we see notable differences in temperature and precipitation patterns. September enjoys milder temperatures, with averages around 14°C (57°F), peaking at 20°C (68°F), while March remains cooler, averaging just 7°C (45°F) and only reaching a maximum of 13°C (55°F). Both months experience similar levels of humidity at 86%, but precipitation in March is slightly higher at 87 mm (3.4 in) compared to September's 82 mm (3.2 in), with March also having 15 rainy days versus September's 14. For a detailed look at March weather in Bray, you can visit Bray weather in March.

In comparing the weather between September and April, September generally offers milder temperatures, with an average of 14°C (57°F) and a maximum of 20°C (68°F), compared to April's average of 8°C (47°F) and maximum of 15°C (58°F). While September sees more precipitation overall, totaling 82 mm (3.2 in) over 14 days, April has less, with 48 mm (1.9 in) over 11 days. Despite this difference in rainfall, both months experience high humidity, with September at 86% and April slightly lower at 85%. For a more detailed look at April’s conditions, you can visit Bray weather in April.

September experiences milder temperatures compared to May, with average highs reaching 20°C (68°F) as opposed to May's maximum of 17°C (63°F). The minimum temperatures are also slightly warmer in September, averaging 7°C (45°F) compared to May's 3°C (38°F). Additionally, September sees more rainfall, with 82 mm (3.2 in) over 14 days, while May has less precipitation at 61 mm (2.4 in) over 12 days. Despite these differences, both months share a relatively high humidity, with September at 86% and May at 83%. For those interested in more specific weather details, check out Bray weather in May.

September weather tends to be slightly warmer than June, with average temperatures reaching 14°C (57°F) compared to June's 13°C (56°F). Both months see a similar range of temperatures, but September enjoys a higher maximum at 20°C (68°F), while June peaks at 19°C (67°F). In terms of precipitation, September experiences a bit more rain with 82 mm (3.2 in) over 14 days, compared to June's 75 mm (2.9 in) over 13 days. Humidity levels are comparable, sitting at 86% in September and 85% in June. For more details on June weather specifics, you can visit Bray weather in June.

In comparing the weather between September and July, we find that both months experience similar maximum temperatures, typically reaching around 20°C (68°F). However, September is characterized by cooler minimum temperatures, dropping to 7°C (45°F), while July starts at a higher minimum of 10°C (51°F). The average temperature in September is slightly higher at 14°C (57°F) compared to July's 15°C (60°F). Precipitation levels are quite comparable, with September receiving 82 mm (3.2 in) and July slightly less at 78 mm (3.1 in), both spread over approximately 14 days. Interestingly, humidity remains consistent at 86% for both months, making for a damp atmosphere throughout. For a closer look at the specifics for July, you can check Bray 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 10°C (51°F) in August. The average temperatures remain fairly close, with September averaging 14°C (57°F) and August at 15°C (60°F). Both months see a maximum temperature of 20°C (68°F). However, September has a bit more precipitation overall, receiving 82 mm (3.2 in) over 14 days, while August records 96 mm (3.8 in) across 16 days. Humidity levels are similar, with September at 86% and August at 85%. For more detailed insights, you can check out Bray weather in August.

September and October show a gradual decline in temperatures as autumn takes hold. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 20°C (68°F), with an average of 14°C (57°F). The month experiences about 82 mm (3.2 in) of precipitation over 14 days and a humidity level of 86%. In contrast, October's temperatures dip slightly, with a minimum of 5°C (41°F) and a maximum of 18°C (64°F), averaging 12°C (53°F). Additionally, October has increased precipitation at 101 mm (4.0 in) across 16 days, and humidity remains relatively high at 87%. For more detailed weather insights, check out Bray weather in October.

In September, the weather is generally milder, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (68°F). The month typically sees about 82 mm (3.2 in) of precipitation over 14 days, and maintains a high humidity level of 86%. In contrast, November brings cooler conditions, with temperatures dropping to a minimum of 3°C (38°F) and maximums reaching 15°C (59°F). Precipitation also increases significantly to 127 mm (5.0 in) over 17 days, while humidity remains consistent at 86%. For more details on November's weather, you can check Bray weather in November.

September and December present contrasting weather patterns. In September, temperatures are milder, with minimums around 7°C (45°F) and maximums reaching 20°C (68°F), offering an average of 14°C (57°F). The month experiences moderate rainfall of 82 mm (3.2 in) over approximately 14 days, coupled with high humidity at 86%. In contrast, December is cooler, with average temperatures dropping to 8°C (46°F), ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F). Precipitation increases to 110 mm (4.3 in) over 16 days, and humidity remains slightly lower at 84%. For a more detailed look at this month, visit Bray weather in December.

Compare Bray's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bray

As September unfolds in Bray, the weather offers a refreshing transition from the warmth of summer. With average temperatures settling at a comfortable 14°C (57°F), it’s a month characterized by mild days and cooler nights. Unlike the balmy and dry months preceding it, September sees a notable uptick in precipitation, contributing to a humid atmosphere that envelops the area. The increased rainfall, totaling 82 mm (3.2 in) over 14 days, adds a crispness to the air and enriches the lush landscapes that define Bray. For those looking to explore the nuances of Bray's climate throughout the year, comprehensive insights are available at Bray Climate.