September Weather in Manchester, United States

Last updated: February 24, 2025

September in Manchester, United States offers a delightful transition from summer to fall, showcasing a broad temperature range with maximums reaching 31°C (89°F) and minimums dipping to -2°C (28°F). The month averages a pleasant 16°C (61°F), creating a comfortable climate for outdoor activities. Despite the warm days, precipitation is notable, with 90 mm (3.5 in) of rain across 9 days, resulting in a humidity level of 72%. This blend of warmth and occasional rain contributes to a vibrant and refreshing atmosphere, perfect for enjoying the scenic beauty of the region.

September Temperature in Manchester

In September, Manchester, United States, showcases a remarkable transition toward the end of summer. With temperatures ranging from a brisk -2°C (28°F) at night to a pleasant 31°C (89°F) during the day, this month offers a blend of warmth and coolness. The average temperature settles around 16°C (61°F), marking a comfortable shift that invites outdoor activities as nature begins to show hints of autumn. It’s interesting to note how September's highs still flirt with late-summer warmth, suggesting a gradual yet noticeable cooling trend leading into the fall months. This dynamic change not only reflects the region’s climate variability but also sets the stage for the vibrant colors and crisp air that October promises.

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.
JanFebMarAprMayJunJulAugSepOctNovDec212430435564706861493526
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 moderate precipitation total of 90 mm (3.5 in), showcasing a slight dip compared to the previous month’s 97 mm. Characterized by an average of only 9 rainy days, this month marks a transition toward the drier autumn months. The rainfall in September is not as heavy as the peak seen in July with 136 mm, yet it maintains a steady pattern that keeps the landscape lush and vibrant as summer fades. As the city moves into October, where precipitation surges to 153 mm (6.0 in), residents can expect a notable increase in rainfall, potentially signaling the onset of more dynamic weather patterns typical of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec829484130102971369790153112104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manchester

In September, Manchester experiences a noticeable shift in humidity, with levels averaging around 72%. This represents a slight increase from the dry summer months, as July and August provide the year's lowest humidity levels at 66% and 64% respectively. As the transition into autumn begins, the humidity trends upwards, hinting at the upcoming changes in weather patterns, which are reflected in the rising figures for October at 81%. This gradual increase from the summer lows showcases Manchester's characteristic dampness, laying the groundwork for the wetter months ahead as the year draws to a close.

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%76%72%67%64%72%81%87%85%
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 settles at a high level of 7, signaling a shift from the intense summer sun. This indicates a burn time of 25 minutes, a welcome reprieve from the peak values of June and July, which saw an index as high as 10. While the warm days of late summer linger, it's crucial to stay vigilant about sun protection during outdoor activities. Notable trends reveal a decline in UV intensity as autumn approaches, reminding residents to adjust their sun safety habits accordingly. For more detailed information, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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

As September arrives in Manchester, United States, the sun continues to shine brightly, contributing 285 hours of daylight—a remarkable extension of the summer glow. This month stands as a gentle transition, showcasing a slight decrease from the peak summer months of July and August, which basked in over 326 hours and 330 hours of sunshine, respectively. However, September remains significantly brighter than the earlier months of the year, reflecting a consistent upward trend in sunshine from the cold grasp of January’s mere 122 hours. As the lush days of summer draw to a close, residents can savor the lingering warmth and golden light that September generously offers, serving as a perfect prelude to the transitioning autumn season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec122h161h230h224h267h317h326h330h285h202h167h144h
Data source: Manchester September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Manchester During September

As September rolls in, the likelihood of sunny weather in Manchester, United States, shows a promising 40% chance of sunshine. This figure represents a slight increase from the summer months, where July and August recorded lower probabilities of clear skies at 29% and 31% respectively. Interestingly, September's sun potential aligns closely with the drier month of October, both offering a reprieve from the inconsistent weather earlier in the year. Overall, this transitional month gives residents and visitors alike a hopeful glimpse of the mild late-summer days, making September an appealing time to enjoy outdoor activities amidst the lingering warmth.

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.
JanFebMarAprMayJunJulAugSepOctNovDec37%27%53%40%35%41%30%31%40%37%47%25%
Data source: Manchester September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Manchester in September

As the summer sun begins its retreat, September in Manchester, United States, brings a gradual shift in daylight duration, easing from the long, bright days of summer to the upcoming chill of autumn. With approximately 12 hours of daylight, September marks the transition from the peak sunlight of June and July, which boast up to 15 hours. Following the warmth of May and June, where the days linger delightfully long, the daylight hours start to dwindle, mirroring the changing leaves and cooling temperatures. This gentle decline hints at the approach of shorter days ahead, encouraging the community to savor the remaining warmth and light before the onset of autumn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 31m11h 57m13h 26m14h 41m15h 18m14h 58m13h 51m12h 26m10h 58m9h 41m9h 1m
Data source: Manchester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Manchester

As September arrives in Manchester, United States, the average wind speed settles at 2.7 m/s (6 mph), reflecting a familiar pattern as summer begins to wane. This modest breeze marks a temporary rebound from the lower speeds seen in the peak of summer months, where July and August recorded their calmest winds at 2.3 m/s (5 mph) and 2.1 m/s (5 mph), respectively. Interestingly, September's winds are on par with those of May and June, suggesting a transition into the fall season might bring refreshing gusts that invigorate the landscape. Observing the monthly averages reveals an overall trend of fluctuating wind conditions throughout the year, with notable peaks during the spring and early winter months. As autumn unfolds, these gentle winds invite a sense of change and anticipation, perfectly capturing the essence of September in Manchester.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.93.63.02.72.92.32.12.7 m/s2.62.83.1
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.

In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 31°C (89°F), with an average temperature of 16°C (61°F). This month sees around 90 mm (3.5 in) of precipitation over roughly 9 days, and the humidity sits at a comfortable 72%. In stark contrast, January experiences much harsher conditions, with temperatures plummeting to a minimum of -29°C (-20°F) and an average of -6°C (21°F), while the maximum barely reaches 16°C (61°F). Although precipitation is slightly lower at 82 mm (3.2 in) over 11 days, the humidity increases to 89%, contributing to an overall colder and more challenging climate. For more detailed information, check out Manchester weather in January.

September and February exhibit stark contrasts in weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 31°C (89°F), with an average of 16°C (61°F). This month sees about 90 mm (3.5 in) of precipitation over approximately 9 days and a humidity level of 72%. In contrast, February brings much colder conditions, with temperatures dipping as low as -26°C (-14°F) and reaching a maximum of 21°C (69°F), averaging -4°C (24°F). During this month, precipitation slightly increases to 94 mm (3.7 in) spread over 12 days, and the humidity rises to 88%. For a detailed look at February weather, visit Manchester weather in February.

When comparing the weather in September and March, notable differences emerge in temperature and humidity levels. September boasts a wider temperature range, with a minimum of -2°C (28°F), an average of 16°C (61°F), and a maximum of 31°C (89°F), making it generally warmer and more pleasant. In contrast, March presents a much colder climate, with temperatures ranging from a chilly -20°C (-5°F) to a more moderate 19°C (67°F), averaging around -1°C (31°F). Furthermore, while September sees lower humidity at 72% and less precipitation over 9 days (90 mm total), March experiences higher humidity at 86% and slightly more precipitation over 11 days (84 mm total). For those curious about the specifics of March weather, you can learn more Manchester weather in March.

September and April showcase distinct differences in weather patterns. September tends to be warmer, with an average temperature of 16°C (61°F) and highs reaching 31°C (89°F), whereas April has a cooler average of 6°C (43°F) and peaks at 25°C (78°F). Precipitation is also more frequent in April, with 130 mm (5.1 in) over 14 days compared to September's 90 mm (3.5 in) over 9 days. Additionally, humidity levels are higher in April at 84%, compared to September's 72%. For more insights, you can check out Manchester weather in April.

September and May present notable differences in weather patterns despite having similar temperature ranges. In September, the average temperature is warmer at 16°C (61°F), compared to May's average of 13°C (56°F). Both months experience chilly nights with minimum temperatures reaching -2°C (28°F). However, May edges out slightly with a higher maximum temperature of 32°C (89°F), matching September's record. When it comes to precipitation, September sees 90 mm (3.5 in) over 9 days, while May has a bit more with 102 mm (4.0 in) over 14 days, accompanied by a slightly higher humidity of 76%. For more detailed insights, check the link: Manchester weather in May.

In comparing the weather of September and June, September generally experiences a broader temperature range, with minimums dropping to -2°C (28°F) and maximums reaching 31°C (89°F). The average temperature in September is around 16°C (61°F), while in June, it is slightly warmer at 18°C (65°F), with maximums peaking at 33°C (91°F). Both months feature similar humidity levels at 72%, but September has less precipitation overall, with 90 mm (3.5 in) compared to June's 97 mm (3.8 in), despite having fewer rainy days (9 versus 13). For more details on June weather, visit Manchester weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation patterns. September experiences a broader range of temperatures, with a minimum of -2°C (28°F) and a maximum of 31°C (89°F), averaging around 16°C (61°F). Contrast this with July, which has milder minimums at 8°C (47°F) and peaks at a warmer 35°C (96°F), with an average of 21°C (70°F). Additionally, July tends to be wetter, receiving 136 mm (5.4 in) of precipitation over 13 days, compared to September's 90 mm (3.5 in) spread over 9 days. Humidity levels are slightly higher in September at 72%, while July's average sits at 66%. For further details on July weather, check Manchester weather in July.

In comparing the weather of September to August, September experiences a broader temperature range with minimums dipping to -2°C (28°F) and maximums reaching 31°C (89°F), while August maintains a milder minimum of 5°C (41°F) and a similar maximum of 32°C (90°F). Average temperatures in September are lower at 16°C (61°F) compared to August's 20°C (68°F), indicating a transition toward cooler conditions. Precipitation levels are slightly decreased in September, totaling 90 mm (3.5 in) over 9 days, whereas August sees 97 mm (3.8 in) over 12 days. Additionally, September is more humid at 72%, contrasting with August's 64%. For a more detailed look at August weather patterns, you can explore Manchester weather in August.

September and October present contrasting weather patterns. September boasts temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 31°C (89°F), with an average of 16°C (61°F). During this month, precipitation amounts to 90 mm (3.5 in) over about 9 days, and the humidity sits at a comfortable 72%. In comparison, October experiences a significant drop in temperatures, with a minimum of -8°C (18°F) and a maximum of 25°C (77°F), yielding an average of 10°C (50°F). This month is also wetter, with 153 mm (6.0 in) of rainfall over 13 days and a slightly higher humidity level at 81%. For more detailed information, you can check out Manchester weather in October.

September and November present quite a contrasting climate. In September, temperatures range from a chilly -2°C (28°F) at night to a warm peak of 31°C (89°F), with an average of 16°C (61°F). This month also experiences moderate precipitation, totaling 90 mm (3.5 in) over about 9 days, and a humidity level of 72%. In November, however, temperatures drop significantly, with nighttime lows of -24°C (-12°F) and daytime highs reaching only up to 22°C (71°F), yielding an average temperature of just 2°C (35°F). Additionally, November sees increased precipitation at 112 mm (4.4 in) across approximately 13 days, coupled with a higher humidity of 87%. For more detailed insights, visit Manchester weather in November.

In September, the weather displays warm temperatures, with an average of 16°C (61°F) and highs reaching up to 31°C (89°F), while nighttime temperatures can drop to a chilly -2°C (28°F). This month experiences a moderate amount of precipitation, totaling around 90 mm (3.5 in) over approximately nine days, and humidity levels sit at a comfortable 72%. In stark contrast, December brings a significant drop in temperature, with averages around -3°C (26°F) and nighttime lows plummeting to -26°C (-15°F). The month has slightly more precipitation at 104 mm (4.1 in), spread over 12 days, and higher humidity at 84%. The shift from the warm, humid days of September to the cold, crisp winters of December illustrates the dramatic seasonal changes in the region. For more detailed information 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 unfolds in Manchester, the weather presents a remarkable transition from the warmth of summer to the crispness of autumn. With temperatures that can reach delightful highs while occasionally dipping into cooler nights, this month truly offers a blend of seasonal contrasts. Although the average temperature sits at a comfortable 16°C (61°F), September is marked by an increase in precipitation compared to the drier summer months, with rainfall gracing about 9 days throughout the month. The humidity at 72% adds a bit of stickiness to the early weeks before autumn begins to assert itself. For a deeper understanding of what to expect throughout the year, explore the comprehensive details of Manchester Climate.