September Weather in Newry, United Kingdom

Last updated: March 17, 2025

Experience the September weather in Newry, United Kingdom, where temperatures provide a refreshing range with maximums reaching 22°C (72°F) and averages settling at a crisp 13°C (56°F). While the weather offers a pleasant atmosphere, be prepared for some rain, as 70 mm (2.8 in) of precipitation typically graces the month across about 14 days, contributing to the region's lush greenery. With humidity levels at a notable 88%, the air is often thick, creating a unique mix of coolness and dampness that characterizes this time of year. Embrace the transformative beauty of early autumn in Newry, where every day brings its own charm.

September Temperature in Newry

As September unfolds in Newry, United Kingdom, temperatures begin to transition from the warmth of summer to the cooler embrace of autumn. With a minimum of 3°C (37°F) and an average temperature hovering around 13°C (56°F), the month provides a refreshing reprieve, ideal for enjoying the scenic beauty of the area. Daytime highs reach a pleasant 22°C (72°F), allowing for numerous outdoor activities before the chill sets in. Interestingly, September marks a gradual decline from the peak summer warmth, yet maintains a comfortable climate compared to the preceding months, making it a delightful time to explore Newry’s vibrant landscapes. Overall, this month heralds the shifting seasons, encouraging both locals and visitors to embrace the nuances of autumn.

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

The chart illustrates September temperature patterns in Newry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605956514643
Data source: Temperature data for Newry 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 Newry

September in Newry, United Kingdom, experiences a precipitation amount of 70 mm (2.8 in) over 14 days, marking a slight decrease compared to the notably wet August, which recorded 113 mm (4.4 in). This month effectively serves as a transition, as it bridges the peak rainfall of late summer into the more traditionally damp autumn months. With precipitation levels remaining consistent with late summer patterns, September's rainfall is still significant, yet it signals the beginning of a trend towards increased moisture in October and November, both expected to exceed September's totals. As the months progress, residents can anticipate this rhythmic dance of rain, indicative of Newry's maritime climate.

September Precipitation Trends in Newry

The chart displays monthly precipitation patterns in Newry, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5482774465747411370808385
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newry

September in Newry, United Kingdom, brings a noticeable spike in humidity, reaching 88%, a figure that often signals the transition to a wetter autumn. Following the summer months, which typically hover around 86%, September's higher humidity hints at the impending weather changes, with October peaking at 89% and November further climbing to 90%. This gradual increase in moisture levels throughout the late months of the year reflects the region's characteristic damp climate, setting the stage for the cool, misty days ahead. As summer slips away, residents can expect a pronounced shift in the air as Newry welcomes the embrace of autumn's humidity.

September Average Humidity in Newry

This chart illustrates the average monthly humidity levels in Newry, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Newry

As September arrives in Newry, United Kingdom, sun seekers can expect a moderate UV Index of 5, indicating that it's time to take some precautions while enjoying the outdoors. This trend reflects a gradual decrease from the summer months, where the UV Index peaked at 8, demanding vigilance against sunburn. With a burn time of 30 minutes, it’s advisable to seek shade or wear protective clothing if spending extended periods outside. The transition into autumn signals a balance between enjoying the fading warmth and being mindful of UV exposure. For more detailed information about UV levels throughout the year, check out Newry UV Index.

Maximum UV Index Levels in Newry for September

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

As the summer sun begins to wane, September in Newry still offers a generous 278 hours of sunshine, though a noticeable dip compared to the vibrant month of May, which boasts the highest total with 383 hours. The transition from summer to autumn is marked by gradually decreasing daylight, yet September remains a splendid bridge, delivering ample sunlight, especially in contrast to the dreary winter months ahead, where sunshine can drop to as low as 76 hours in January. As the season shifts, September showcases a delightful lingering warmth, inviting residents and visitors alike to relish the last golden rays before the days grow shorter.

Monthly Sunshine Duration in Newry: September Highlighted

The September sunshine duration represents the total number of hours Newry 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.
JanFebMarAprMayJunJulAugSepOctNovDec76h141h190h300h383h371h374h323h278h218h107h80h
Data source: Newry September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newry During September

In Newry, United Kingdom, the likelihood of sunny weather takes a notable dip in September, with a mere 19% chance of sunshine. This trend reflects the gradual transition into autumn, as the summer months normally showcase higher percentages of sunny days. For instance, the peak sunshine probabilities occur in April, hitting 40%, followed by a robust 33% in May. However, as the seasons shift, the chance of clear skies continues to wane, trailing down further into the fall with only a 17% chance in October. Thus, while September may still hold remnants of summer warmth, it signals the inevitable embrace of the cooler, cloudier days ahead.

Percentage of Sunny Days in September in Newry

The chart illustrates the percentage of sunny days in Newry 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 Newry experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%21%19%40%33%22%27%20%19%17%21%15%
Data source: Newry September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newry in September

As September arrives in Newry, United Kingdom, the daylight begins to wane, offering about 12 hours of light per day. This month marks a gentle transition from the long summer days of July and August, when residents basked in 16 and 14 hours of sunlight, respectively. With each passing month, daylight diminishes, starting from a vibrant 17 hours in June to the more subdued 10 hours in October. The trend illustrates a gradual retreat into the cozy embrace of autumn, highlighted by the shift from the abundance of spring and summer to the shorter, darker days of winter that lie ahead. As the seasons change, September serves as a bridge, reminding us to relish the remaining sunlight before the longer nights take hold.

Average Daylight Hours in Newry for September

The chart illustrates the variation in daylight duration in Newry throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 57m9h 44m11h 54m14h 6m16h 4m17h 6m16h 33m14h 46m12h 38m10h 26m8h 27m7h 23m
Data source: Newry daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Newry

As September rolls into Newry, the wind begins to whisper a gentle lullaby, with an average speed of 3.2 m/s (7 mph), mirroring the light breezes of the summer months. This transitional period sees a slight drop from August, reflecting the calm before autumn fully settles in. The winds remain moderate, nestled comfortably among the year's lighter months, as nature gradually shifts gears. Following September, one can expect a steady increase in wind speeds, with October and November presenting a return to more blustery conditions, averaging 4.3 m/s (10 mph) and 4.4 m/s (10 mph) respectively. This progression hints at the lively autumnal energy that lies ahead, inviting crisp leaves and cooler air as the season evolves.

Average September Wind Speed in Newry

The chart displays monthly wind speed patterns in Newry, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.85.44.43.23.73.52.43.03.2 m/s4.34.44.4
Data source: Newry September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Newry Compares to Other Months

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

In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 22°C (72°F), leading to a pleasant average of 13°C (56°F). This month sees about 70 mm (2.8 in) of precipitation over approximately 14 days, with humidity levels at a relatively high 88%. In contrast, January experiences colder conditions, with temperatures dipping to a minimum of -5°C (23°F) and a maximum of 14°C (57°F), resulting in an average of just 5°C (42°F). Precipitation is lower at 54 mm (2.1 in) over around 10 days, and humidity remains similarly high at 87%. For those interested in more details on January weather, check out Newry weather in January.

When comparing the weather in September and February, notable differences emerge. September generally boasts milder temperatures, with an average of 13°C (56°F), while February is colder, with an average of only 6°C (43°F). The minimum temperatures in September rarely drop below 3°C (37°F), whereas February can see lows of -4°C (25°F). Both months experience approximately 14 days of precipitation, but February tends to be slightly wetter, receiving 82 mm (3.2 in) compared to September's 70 mm (2.8 in). Humidity levels are relatively similar, remaining high at 88% in September and slightly lower at 86% in February. For more detailed February weather insights, you can check Newry weather in February.

In comparing the weather of September and March, we observe distinct differences in temperature and precipitation patterns. September typically boasts warmer temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), peaking at 22°C (72°F). In contrast, March is cooler, featuring a minimum of -4°C (26°F) and an average of 7°C (44°F), with a maximum of 16°C (62°F). While September experiences 70 mm (2.8 in) of precipitation over 14 days at a humidity of 88%, March is slightly wetter with 77 mm (3.0 in) of precipitation across 15 days at a humidity of 86%. These variations highlight the transition from the late summer warmth of September to the early spring chill of March. For more detailed insights, check out Newry weather in March.

When comparing the weather in September and April, notable differences emerge. September generally enjoys milder temperatures, with an average of 13°C (56°F) and a maximum of 22°C (72°F), while April's average is cooler at 8°C (47°F), peaking at 19°C (67°F). Additionally, September experiences higher humidity at 88%, compared to April's 85%. Precipitation is more frequent in September, with 70 mm (2.8 in) falling over 14 days, contrasted with April's 44 mm (1.7 in) over just 10 days. For more details, check out the Newry weather in April.

When comparing the weather in September and May, notable differences arise in temperature and humidity. September typically experiences milder temperatures, with lows around 3°C (37°F) and averages reaching 13°C (56°F), while May can dip to as low as -1°C (31°F) despite having a comparable maximum temperature of 23°C (73°F). Precipitation levels are relatively similar, with September receiving 70 mm (2.8 in) over 14 days and May having slightly less at 65 mm (2.6 in) over 12 days. Additionally, September tends to be more humid at 88%, compared to May's 82%. This contrast in weather highlights the transitional nature of both months. For more detailed information, you can check the Newry weather in May.

In comparing the weather conditions of September and June, we observe notable differences in temperature and humidity. September typically experiences a minimum temperature of 3°C (37°F) and an average of 13°C (56°F), peaking at 22°C (72°F). In contrast, June has slightly warmer temperatures, with minimums at 5°C (42°F) and highs reaching 28°C (82°F), alongside an average temperature of 14°C (58°F). Both months see similar precipitation levels, with September recording 70 mm (2.8 in) over 14 days and June slightly higher at 74 mm (2.9 in) over 13 days. Humidity remains relatively high in both months, with September at 88% and June at 84%, leading to a more comfortable feel in June. For a closer look at June's weather, check out Newry weather in June.

In comparison to July, September experiences a notable drop in temperatures, with minimums averaging at 3°C (37°F) compared to July's 7°C (45°F), and maximums reaching only 22°C (72°F) versus July's 28°C (83°F). The average temperature in September is 13°C (56°F), significantly lower than July's 16°C (61°F). Rainfall is somewhat comparable, with September receiving 70 mm (2.8 in) over 14 days, slightly less than July's 73 mm (2.9 in) over 13 days. Humidity remains high in both months, with September averaging at 88% and July at 86%. For more detailed insights on July weather, visit Newry weather in July.

In comparing the weather between September and August, September presents cooler temperatures with a minimum of 3°C (37°F) and an average of 13°C (56°F), while August typically sees milder conditions with a minimum of 7°C (44°F) and an average of 15°C (60°F). Despite September's lower temperatures, its maximum reaches 22°C (72°F), similar to August's maximum of 23°C (74°F). Rainfall is more prominent in August, totaling 113 mm (4.4 in) over 17 days compared to September's 70 mm (2.8 in) over 14 days, although both months exhibit high humidity levels of around 88% and 86%, respectively. For a more detailed look at August's conditions, check out Newry weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a mild minimum of 3°C (37°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). This month experiences 70 mm (2.8 in) of precipitation over 14 days, accompanied by high humidity at 88%. In contrast, October sees cooler temperatures, with a minimum of 1°C (33°F), an average of 10°C (51°F), and a maximum of 19°C (66°F). Precipitation slightly increases to 80 mm (3.2 in), while humidity remains similar at 89%. This shift indicates a transition toward more autumnal conditions as the days grow shorter and colder. For more detailed insights, you can check Newry weather in October.

In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). The month sees around 70 mm (2.8 in) of precipitation over 14 days and experiences a humidity level of 88%. In contrast, November brings cooler conditions with temperatures dipping lower, from -3°C (27°F) to a peak of 15°C (59°F), averaging 8°C (46°F). The precipitation increases slightly to 82 mm (3.2 in), still spread across 14 days, and humidity rises to 90%. For more details about the weather in this month, you can visit Newry weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (37°F) to a pleasant average of 13°C (56°F) and reaching a maximum of 22°C (72°F). The month experiences about 70 mm (2.8 in) of precipitation over 14 days, accompanied by high humidity levels at 88%. In contrast, December brings colder conditions, with temperatures dropping to a minimum of -2°C (28°F) and averaging 6°C (43°F), peaking at 13°C (56°F). The precipitation increases slightly to 85 mm (3.4 in) over 12 days, with humidity levels remaining similar at 86%. For more details on the December weather, you can visit Newry weather in December.

Compare Newry's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Newry

As September unfolds in Newry, it brings a blend of mild temperatures and notable humidity, marking a transition from the warmth of summer to the crispness of autumn. While the month can still experience days that reach up to 22°C (72°F), it also sees a significant drop in nighttime temperatures, creating a more dynamic weather palette compared to July and August. With 70 mm of precipitation spread across 14 days, September is decidedly wetter, contributing to the lush greenery that characterizes this picturesque region. This blend of warmth and rain, coupled with a high humidity level of 88%, offers a unique charm that sets September apart from the drier, warmer months that precede it. For a deeper look into the intricacies of Newry's weather patterns, explore the Newry Climate.