September Weather in Manchester, United Kingdom

Last updated: March 17, 2025

September in Manchester, United Kingdom, ushers in a transitional phase for the weather, combining warm days with cooler nights. With maximum temperatures reaching 27°C (81°F) and an average of 13°C (56°F), the month often offers pleasant afternoons. However, nights can be brisk, dipping to a minimum of 2°C (37°F). Rain is not uncommon, as evidenced by an impressive 96 mm (3.8 in) of precipitation spread over 15 days, contributing to the region's lush greenery. Humidity levels remain high at 85%, creating a characteristic dampness in the air. This blend of warm and cool conditions makes September a unique time to experience the charm of Manchester.

September Temperature in Manchester

As summer transitions into autumn, September in Manchester offers a noticeable shift in temperatures. With a minimum of 2°C (37°F) and a maximum reaching up to 27°C (81°F), the month sees a delightful average of 13°C (56°F), providing a pleasant balance for outdoor activities. This drop from the preceding warmer months, where July and August soar to maximums of 32°C (91°F) and 31°C (88°F), highlights a trend of cooling as the city approaches winter. However, the tail end of summer still lingers, allowing for enjoyable days, especially in the early part of the month, before the temperatures steadily decline into the cooler October months. The gradual transition makes September an ideal time to experience Manchester’s vibrant culture under milder skies.

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

The chart illustrates September temperature patterns in Manchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143475359616056514541
Data source: Temperature data for Manchester 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 Manchester

In September, Manchester experiences a notable shift in weather patterns as it transitions from the summer months. With an average precipitation of 96 mm (3.8 in) spread over 15 days, the city sees a decline from the wetter August, yet still remains significantly damp. This month typically ushers in the onset of autumn, characterized by more frequent rain but also slightly less intense rainfall than the previous month. As daylight hours shorten, the consistent drizzle and occasional heavier downpours contribute to September’s reputation as a rather gloomy, yet atmospheric month, paving the way for the wetter conditions of October ahead.

September Precipitation Trends in Manchester

The chart displays monthly precipitation patterns in Manchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec811061064765991011139612293112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manchester

As summer transitions into autumn, September in Manchester sees a humidity level of 85%, marking a slight rise from the drier months of July and August, which recorded 76% and 77% respectively. This increase is consistent with the trend of humidity levels peaking as the year progresses, reaching their highest points during the colder months, with October jumping back up to 90%. The gradual ascent from summer's lower humidity highlights Manchester's characteristic weather variability, making the autumn season feel both refreshing and a bit damp as it prepares for the wetter months ahead. Overall, September serves as a reminder that while the warmth of summer may linger, the humidity is already starting to reclaim its presence in this vibrant city.

September Average Humidity in Manchester

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

As September rolls into Manchester, the UV Index reflects a moderate rating of 5, suggesting that while sun protection is advisable, the intensity is markedly lower than the peak summer months. This gradual decline from the very high ratings of 8 in June and July indicates a shift towards cooler days, yet the 30-minute burn time serves as a reminder to stay vigilant when outdoors. With the summer warmth still lingering, many residents may feel tempted to soak up the sun, but it's wise to strike a balance between enjoying the outdoors and safeguarding your skin. For more detailed information on UV levels throughout the year, check out Manchester UV Index.

Maximum UV Index Levels in Manchester for September

The chart shows the monthly maximum UV Index (UVI) for Manchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Manchester 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 Manchester

September in Manchester welcomes a warm farewell to summer with 290 hours of sunshine, encapsulating the essence of early autumn. Following the vibrant days of July and August, which boast the region's peak sunshine at 407 and 367 hours respectively, September sees a gentle decline, yet remains abundant in daylight. This month serves as a beautiful transition, as it bridges the warm summer glow into the crisp air of fall. With an average of around 290 hours, it still stands out as a time for outdoor activities, offering one last chance to enjoy longer evenings before the shorter days of October arrive, which drop to 226 hours. Thus, September lights up Manchester’s skyline with a golden hue, inviting locals and visitors alike to bask in the seasonal shift.

Monthly Sunshine Duration in Manchester: September Highlighted

The September sunshine duration represents the total number of hours Manchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec81h147h211h322h400h367h407h367h290h226h113h98h
Data source: Manchester September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Manchester During September

In September, the likelihood of encountering sunny weather in Manchester is a rather modest 23%. This reflects a pattern observed throughout the year, with the chances of sunshine notably improving from the depths of winter, peaking in April at 50%, and then gradually waning again as autumn approaches. While September does not offer the vibrant sunny days of summer, it stands out among the months with a variability that hints at the shifting seasons. As autumn settles in, Manchester's weather can be unpredictably charming, leaving a little room for serendipitous sunny spells amid the clouds.

Percentage of Sunny Days in September in Manchester

The chart illustrates the percentage of sunny days in Manchester 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 Manchester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%23%24%50%31%25%33%24%23%19%25%14%
Data source: Manchester September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Manchester in September

As September unfolds in Manchester, daylight begins its gradual retreat, offering approximately 12 hours of sunlight each day. This marks a notable shift from the sun-drenched heights of summer, where July and August basked in 16 and 14 hours of daylight, respectively. As the vibrant hues of autumn start to paint the landscape, the days grow shorter, transitioning to the softer light of October's 10 hours. Interestingly, while the daylight length decreases, September often brings a comfortable balance of warmth and light, allowing residents to relish the beauty of early fall before the darker months settle in.

Average Daylight Hours in Manchester for September

The chart illustrates the variation in daylight duration in Manchester throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 5m9h 48m11h 54m14h 3m15h 56m16h 56m16h 24m14h 42m12h 37m10h 29m8h 34m7h 31m
Data source: Manchester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Manchester

In September, the wind in Manchester typically hums along at an average speed of 3.3 m/s (7 mph), representing a gentle breeze that sets the stage for the transition into autumn. While this speed is slightly less vigorous than the gusts often experienced in the earlier spring months, it mirrors the calming winds of summer, which rarely exceed 3.4 m/s in August. Interestingly, September's winds precede a noticeable uptick in October, where speeds leap to 4.7 m/s (11 mph), hinting at the brisk, lively currents that characterize the approach of fall. Overall, September showcases a unique balance of calmness before the more assertive breezes of the upcoming months, creating an atmosphere perfect for leisurely strolls amidst the turning leaves.

Average September Wind Speed in Manchester

The chart displays monthly wind speed patterns in Manchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.05.04.43.03.73.12.63.43.3 m/s4.74.04.2
Data source: Manchester September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Manchester Compares to Other Months

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

September and January showcase stark contrasts in weather patterns. In September, temperatures range from a mild 2°C (37°F) to a pleasant 27°C (81°F), with an average of 13°C (56°F), making it a transition month into autumn. The humidity is relatively high at 85%, with precipitation falling on 15 days for a total of 96 mm (3.8 in). In contrast, January presents a colder climate, where temperatures can dip to a minimum of -5°C (23°F) and reach a maximum of 14°C (57°F), averaging just 4°C (40°F). Despite having slightly less precipitation at 81 mm (3.2 in) over 13 days, the humidity remains high at 90%, contributing to the chilly atmosphere. For more detailed information, you can check Manchester weather in January.

When comparing the weather in September and February, marked differences become evident. September boasts a milder temperature range with minimums around 2°C (37°F) and maximums reaching 27°C (81°F), averaging 13°C (56°F). In contrast, February experiences colder temperatures, with minimums dropping to -5°C (24°F) and average highs only reaching 18°C (65°F). Additionally, February has slightly higher precipitation at 106 mm (4.2 in) over 16 days compared to September's 96 mm (3.8 in) spread across 15 days. Both months feature high humidity levels, with September at 85% and February at 88%. For more specific insights, check out Manchester weather in February.

When comparing the weather in September to that of March, notable differences are evident. September tends to showcase warmer temperatures, with daily averages around 13°C (56°F) and highs reaching up to 27°C (81°F), while March is cooler, averaging 6°C (44°F) and peaking at 19°C (67°F). Both months experience significant humidity, hovering around 85% in September and slightly increasing to 86% in March. Additionally, precipitation is also comparable; September receives about 96 mm (3.8 in) over 15 days, while March sees a slightly higher total of 106 mm (4.2 in) spread over 16 days. For more specific details on March weather, you can visit Manchester weather in March.

When comparing the weather in September to that in April, it's clear that September generally offers milder temperatures and is slightly wetter. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 27°C (81°F), averaging around 13°C (56°F), accompanied by significant precipitation of 96 mm (3.8 in) spread over 15 days. In contrast, April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 22°C (72°F), averaging 8°C (47°F) while seeing less precipitation at 47 mm (1.9 in) over 9 days. Humidity levels are quite similar, with September reaching 85% and April at 84%. For more specific details about April weather, you can check out Manchester weather in April.

In comparing the weather between September and May, both months showcase a range of temperatures, but with notable differences. September experiences a wider temperature range, with minimums of 2°C (37°F) and maximums reaching up to 27°C (81°F), while May has a slightly cooler minimum of -2°C (29°F) and a similar maximum of 26°C (80°F). Rainfall also varies, with September receiving more precipitation at 96 mm (3.8 in) over 15 days compared to May's 65 mm (2.5 in) over 12 days. Additionally, humidity levels are slightly higher in September at 85%, compared to May's 80%. For a more detailed look at May's climate, you can visit Manchester weather in May.

In comparing the weather between September and June, one can observe that both months have similar patterns in temperature and precipitation. September experiences a wider range of temperatures, with a minimum of 2°C (37°F) and a maximum of 27°C (81°F), resulting in an average temperature of 13°C (56°F). In contrast, June has higher minimum temperatures starting at 5°C (41°F) and slightly warmer maximums reaching 28°C (83°F), with an average of 15°C (59°F). Precipitation levels are comparable, with September receiving 96 mm (3.8 in) and June slightly higher at 99 mm (3.9 in), both spread over 15 days. Humidity in September is somewhat higher at 85%, compared to June’s 81%. For more details on June weather specifically, visit Manchester weather in June.

In comparison to July, September experiences cooler temperatures, with a minimum of 2°C (37°F) and an average of 13°C (56°F), significantly lower than July's minimum of 7°C (44°F) and average of 16°C (61°F). July boasts higher maximum temperatures, reaching up to 32°C (91°F), while September's maximum is more moderate at 27°C (81°F). Although both months see a similar amount of rainfall—around 96 mm (3.8 in) in September and 101 mm (4.0 in) in July—September has a higher humidity level of 85%, compared to July's 76%. For more detailed insights, check Manchester weather in July.

In comparing the weather between September and August, we see a noticeable shift in both temperature and precipitation patterns. September's temperatures ranged from a minimum of 2°C (37°F) to a maximum of 27°C (81°F), with an average of 13°C (56°F). This contrasts with August, where temperatures were slightly warmer, with a minimum of 5°C (42°F), an average of 16°C (60°F), and a maximum of 31°C (88°F). Additionally, September experienced less precipitation overall, totaling 96 mm (3.8 in) over 15 days, compared to 113 mm (4.5 in) over 17 days in August. Humidity levels also rose in September, reaching an average of 85%, as opposed to 77% in August. For more detailed information, you can check Manchester weather in August.

September's weather features a wider temperature range with minimums of 2°C (37°F) and maximums reaching 27°C (81°F), offering a relatively mild average of 13°C (56°F). However, October brings a notable chill, with temperatures dropping to a minimum of -2°C (29°F) and an average of 10°C (51°F), peaking at 22°C (71°F). Additionally, October sees an increase in precipitation, with 122 mm (4.8 in) over 18 days compared to September's 96 mm (3.8 in) across 15 days, and an uptick in humidity levels from 85% to 90%. For a detailed look at what to expect, you can visit Manchester weather in October.

September and November exhibit notable differences in weather patterns. September tends to be milder, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 27°C (81°F), providing a more comfortable atmosphere with lower humidity at 85%. In contrast, November is significantly cooler, featuring an average temperature of 7°C (45°F), where minimums can drop to -6°C (22°F) and maximums reach up to 16°C (62°F). Additionally, while both months experience similar precipitation levels—with September recording 96 mm (3.8 in) over 15 days and November slightly less at 93 mm (3.7 in) over 17 days—the humidity in November is higher at 92%. For more detailed information on November weather specifically, you can visit Manchester weather in November.

In September, the weather features a wide range of temperatures, with nighttime lows around 2°C (37°F) and daytime highs reaching up to 27°C (81°F), resulting in a pleasant average of 13°C (56°F). The month experiences moderate precipitation, totaling 96 mm (3.8 in) over 15 days, with humidity levels fairly high at 85%. In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -5°C (23°F) and an average of just 5°C (42°F), peaking at 13°C (56°F). Precipitation slightly increases to 112 mm (4.4 in) over 17 days, and humidity rises to 90%. For more details on December weather, visit Manchester weather in December.

Compare Manchester's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Manchester

As September rolls in, Manchester's weather showcases a delightful transition from the summer warmth, featuring occasional highs of 27°C paired with a cozy average of 13°C. However, this month isn't without its challenges, as it sees increased precipitation, with rain gracing the city on about half of the days. The humidity lingers around a notable 85%, adding a touch of mugginess to the crisp air. Compared to other months, September presents a unique blend of warmth and wetness, making it a time when residents and visitors alike should be prepared for both sunshine and showers. For a deeper dive into the city's evolving climate, visit Manchester Climate.