September Weather in York, United Kingdom

Last updated: March 17, 2025

September in York, United Kingdom, showcases a delightful blend of summer warmth and early autumnal coolness. With maximum temperatures reaching 28°C (83°F), this month offers a pleasant escape before the chill sets in. The average temperature hovers around 14°C (57°F), making for comfortable outings, though night temperatures can dip to a brisk 3°C (38°F). As the month progresses, precipitation is fairly common, with an average of 63 mm (2.5 in) of rain spread over 12 days, contributing to the region's lush greenery. The humidity level of 85% adds to the feeling of freshness in the air, inviting both locals and visitors to explore the charming streets and historical sites of York.

September Temperature in York

In September, York, United Kingdom, experiences a gentle transition from summer to autumn, marked by mild temperatures. The month's average temperature hovers around 14°C (57°F), providing a comfortable climate for outdoor exploration. Nighttime lows can dip to about 3°C (38°F), while daytime highs can soar to a pleasant 28°C (83°F), reminiscent of the warmer months. This shift is evident compared to August, where temperatures still linger in the high 20s, but September introduces a cooling trend that hints at the approaching fall. With its blend of warm days and cooler nights, September in York invites both locals and visitors to enjoy the lingering sunshine while beginning to embrace the cozy atmosphere of autumn.

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

The chart illustrates September temperature patterns in York, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404144475359626157514541
Data source: Temperature data for York 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 York

In September, York experiences a moderate precipitation total of 63 mm (2.5 in), which falls in line with the summer's wetter months. This slight decrease from August's 82 mm signifies a transition towards the drier aspects of early autumn, although the city still witnesses rain on 12 days of the month. The pattern suggests that while September retains a notable level of rainfall, it paves the way for the impending increase in precipitation with October’s average rising to 83 mm (3.3 in). Thus, September acts as a bridge, softly bidding farewell to summer’s rain-soaked abundance while hinting at the wetter days to come.

September Precipitation Trends in York

The chart displays monthly precipitation patterns in York, 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.
JanFebMarAprMayJunJulAugSepOctNovDec486664366879748263835873
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in York

As summer transitions into autumn, September in York, United Kingdom, sees a noticeable uptick in humidity, with levels reaching 85%—a slight increase from the drier months of July and August. This rise signals the onset of cooler, wetter weather patterns typical of the fall season. Interestingly, the humidity in September is still lower than the winter months, where it peaks at a 90% in both January and October. Overall, the trend reflects a gradual shift from the more humid, warmer conditions of the summer towards the cooler, damp climate that characterizes the later months of the year. As autumn sets in, residents can expect a blend of cooler temperatures and the refreshing, yet often moist, air that September brings.

September Average Humidity in York

This chart illustrates the average monthly humidity levels in York, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in York

As September rolls in, the UV Index in York, United Kingdom, stands at a moderate 5, signaling a shift from the peak summer levels. After a summer of very high readings in July and August, where sun protection was essential within just 15 to 25 minutes, September offers a slightly more forgiving atmosphere, allowing for up to 30 minutes of unprotected exposure. This transitional month showcases a steady decline towards autumn, aligning with the patterns seen earlier in the year, particularly around April and March. With the moderate exposure category remaining, it’s a great time to enjoy the outdoors while being mindful of skin protection, especially during peak sun hours. For more detailed insights, check out the York UV Index.

Maximum UV Index Levels in York for September

The chart shows the monthly maximum UV Index (UVI) for York 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.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: York 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 York

September in York, United Kingdom, greets visitors with 305 hours of delightful sunshine, marking a gentle transition from the sun-drenched heights of summer. While this month's sunshine is slightly less than the peak enjoyed in July, it still outshines the early months of the year, reflecting a robust progression towards autumn. As the sunlight bathed the historic streets, the gradual decline from August’s 369 hours offers a reminder of the seasonal shift. This pattern highlights the reliable warmth of late summer with lingering sunny days, inviting both locals and travelers to relish the vibrant fall beginnings in this charming city.

Monthly Sunshine Duration in York: September Highlighted

The September sunshine duration represents the total number of hours York 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h148h217h332h391h372h409h369h305h237h132h101h
Data source: York September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in York During September

In September, the chance of sunny weather in York stands at 27%, offering a modest opportunity for sunshine as summer transitions into autumn. This percentage is a slight improvement from the diminishing probabilities seen in the preceding months, such as August's 25% and the distinctly sun-kissed April at 48%. However, it is important to note that as the year progresses, the likelihood of clear skies generally recedes, with October dropping to 22%. This trend highlights September as a pivotal month: a time when lingering warmth from summer still hangs in the air, yet the crispness of autumn begins to set in.

Percentage of Sunny Days in September in York

The chart illustrates the percentage of sunny days in York 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 York experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%25%25%48%31%30%35%25%27%22%28%18%
Data source: York September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in York in September

As September unfolds in York, United Kingdom, the days begin to shorten, providing around 12 hours of daylight. This month marks a gentle transition from the long summer days of July and August, where daylight peaked at 16 and 14 hours, respectively. Following the vibrant expanses of June, with its impressive 17-hour daylight, September offers a more muted experience, with daylight gradually dwindling as autumn approaches. This trend of decreasing daylight persists into October, where it dips to 10 hours, setting the stage for the winter months ahead, which bring even shorter days. Overall, September serves as a poignant reminder of the seasonal shift, wrapping up the summer's brightness and ushering in the cozy embrace of autumn.

Average Daylight Hours in York for September

The chart illustrates the variation in daylight duration in York throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 2m9h 46m11h 54m14h 4m15h 59m17h16h 27m14h 44m12h 37m10h 28m8h 31m7h 28m
Data source: York daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in York

As September arrives in York, the average wind speed settles at 3.4 m/s (8 mph), reflecting a slight dip compared to the summer months. This trend continues a gradual decline from the mildly breezy days of July, which saw the lowest gusts at 2.8 m/s (6 mph). The transition into autumn brings a refreshing change, with the winds picking up slightly as the city prepares for October, where speeds tend to increase again to 4.8 m/s (11 mph). Overall, September serves as a bridge between the calmer summer breezes and the crisper autumn winds, inviting residents and visitors alike to enjoy the changing season in York’s picturesque landscapes.

Average September Wind Speed in York

The chart displays monthly wind speed patterns in York, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.94.63.23.53.22.83.63.4 m/s4.84.54.0
Data source: York September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in York Compares to Other Months

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

September and January present dramatically different weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 28°C (83°F), with an average of 14°C (57°F). The month experiences around 63 mm (2.5 in) of precipitation over 12 days, and humidity levels sit at a comfortable 85%. Conversely, January brings a chillier atmosphere with temperatures dipping from -4°C (25°F) to a maximum of 14°C (58°F), averaging only 4°C (40°F). Although the precipitation is slightly lower at 48 mm (1.9 in) across 9 days, the added humidity at 90% contributes to a much colder feel. For more details on January weather, you can check York weather in January.

September and February present markedly different weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a comfortable 28°C (83°F) during the day, with an average of 14°C (57°F). The month sees about 63 mm (2.5 in) of precipitation spread over 12 days, along with relatively high humidity at 85%. In contrast, February is much colder, with temperatures dipping as low as -7°C (20°F) and peaking at 17°C (63°F), yielding an average of just 5°C (42°F). Despite similar levels of precipitation, at 66 mm (2.6 in) over 12 days, February's humidity is slightly higher at 88%. For more details on what to expect, check out York weather in February.

September and March present distinct characteristics in their weather patterns. September typically enjoys warmer temperatures, with a maximum average of 28°C (83°F) and a mild overall feel, while March is considerably cooler, peaking at 20°C (68°F) with a minimum dropping to -5°C (24°F). Both months have a similar amount of precipitation, approximately 63-64 mm (2.5 in), and experience a comparable number of rainy days—12 in September and 13 in March. Additionally, humidity remains high in both months, with September at 85% and March slightly higher at 86%. To learn more about March's weather specifics, check out York weather in March.

September and April present contrasting weather conditions, marking the transition from summer to autumn and from winter to spring, respectively. In September, temperatures can vary significantly, with a minimum of 3°C (38°F) and a pleasant average of 14°C (57°F), peaking at a warm 28°C (83°F). The month witnesses around 63 mm (2.5 in) of precipitation over 12 days, alongside relatively high humidity at 85%. In comparison, April has cooler temperatures with a minimum of -4°C (26°F) and an average of 8°C (47°F), while highs reach 25°C (78°F). With lower precipitation at 36 mm (1.4 in) over just 8 days and slightly lower humidity at 84%, April tends to have a fresher feel. For a more detailed insight, you can explore York weather in April.

When comparing the weather in September to that of May, several notable differences emerge. September tends to be warmer, with average temperatures reaching 14°C (57°F) and maximums peaking at 28°C (83°F), while May has a slightly cooler average of 12°C (53°F) and a maximum of 26°C (79°F). Both months experience a similar level of precipitation, with September receiving 63 mm (2.5 in) over approximately 12 days, while May sees 68 mm (2.7 in) across 13 days. Humidity levels are also comparable, with September at 85% and May at 80%. For more details, you can explore York weather in May.

In comparing the weather between September and June, both months showcase mild temperatures, but with some notable differences. September experiences a slightly wider temperature range, with minimums dipping to 3°C (38°F) and maximums reaching 28°C (83°F), averaging around 14°C (57°F). In contrast, June has slightly warmer minimum temperatures at 5°C (41°F) and maximums peaking at 29°C (84°F), with an average of 15°C (59°F). Precipitation is also a factor, as September records 63 mm (2.5 in) over approximately 12 days, while June sees a bit more rain at 79 mm (3.1 in) across 11 days. However, June maintains slightly lower humidity levels at 81%, compared to September's relatively high 85%. For more details, check out York weather in June.

In comparing the weather between September and July, we see distinct differences in temperature and precipitation patterns. July boasts warmer temperatures, with minimums around 7°C (45°F) and maximums reaching up to 33°C (92°F), making it the warmest month of the year. In contrast, September experiences cooler conditions, with minimums dropping to 3°C (38°F) and maximums averaging 28°C (83°F). Both months face a similar number of rainy days, around 12, but July has a slightly higher total precipitation of 74 mm (2.9 in) compared to September's 63 mm (2.5 in). Additionally, the humidity in September is higher at 85%, while July's is a bit lower at 76%, contributing to a more comfortable atmosphere. For more detailed information, you can check York weather in July.

In comparing the weather between September and August, September tends to be cooler overall, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F). In contrast, August offers warmer conditions, featuring minimum temperatures of 7°C (45°F) and reaching highs of 31°C (87°F). While both months experience several rainy days, September sees slightly less precipitation at 63 mm (2.5 in) over 12 days, compared to August's 82 mm (3.2 in) over 13 days. Additionally, September has a higher humidity level at 85%, making it feel a bit muggier compared to August's 77%. For a detailed look at August's weather, you can visit York weather in August.

September typically features warmer temperatures with a minimum of 3°C (38°F) and an average of 14°C (57°F), reaching up to 28°C (83°F) at its peak. In contrast, October sees a notable drop in temperatures, with lows reaching 0°C (32°F) and an average of 11°C (52°F), peaking at 22°C (73°F). Rainfall increases in October, with 83 mm (3.3 in) spread over 15 days compared to September's 63 mm (2.5 in) over 12 days. Humidity also rises slightly, from 85% in September to 90% in October. For more detailed information, check out York weather in October.

September and November present a noteworthy contrast in weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F). The month typically sees 63 mm (2.5 in) of precipitation over 12 days, and humidity levels hover around 85%. In stark contrast, November brings cooler temperatures, with nighttime lows dipping to -3°C (27°F) and daytime highs reaching a maximum of 17°C (63°F), resulting in an average of 7°C (45°F). With slightly less precipitation at 58 mm (2.3 in) over the same number of days, November is characterized by higher humidity at 92%. For more detailed information, visit York weather in November.

September and December present significantly contrasting weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging around 14°C (57°F), making it a relatively mild month. With 63 mm (2.5 in) of precipitation over about 12 days, humidity sits at 85%, adding a touch of discomfort. In contrast, December sees much colder weather with minimum temperatures dropping to -4°C (25°F) and maximums reaching only 14°C (58°F), resulting in an average temperature of 5°C (41°F). Rainfall increases to 72 mm (2.9 in) spread over 14 days, while humidity rises slightly to 90%. For a more detailed look at December weather, you can visit York weather in December.

Compare York's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in York

As September rolls in, York experiences a delightful transition between the warmth of summer and the crispness of autumn. The temperature range is quite significant, beginning with warm days that can reach up to 28°C (83°F), while evenings may drop to a cool 3°C (38°F). Unlike the sultriness of midsummer, September brings higher humidity levels at around 85%, which adds a unique character to the month. However, with about 12 days of rainfall totaling 63 mm (2.5 in), the weather can be unpredictable, encouraging visitors to come prepared for varying conditions. This blend of mild warmth and occasional showers makes September a charming time to visit York. For more insights into the climatic variations throughout the year, check out York Climate.