September Weather in Newbury, United Kingdom

Last updated: March 17, 2025

September weather in Newbury, United Kingdom offers a delightful mix of seasonal transitions, showcasing a maximum temperature of 28°C (83°F) and an average temperature of 15°C (59°F). As summer gives way to autumn, temperatures can dip to a refreshing minimum of 2°C (37°F), appealing to those who appreciate the cooler air. With 50 mm (2.0 in) of precipitation over 9 days, expect a variety of weather patterns, while humidity levels hover around a comfortable 82%. Whether you're exploring the picturesque countryside or enjoying local events, September in Newbury captures the charm of early autumn.

September Temperature in Newbury

In September, Newbury, United Kingdom, experiences a delightful transition as summer wanes and autumn approaches. The temperatures range from a cool minimum of 2°C (37°F) to a pleasant maximum of 28°C (83°F), with an average of 15°C (59°F), making it an inviting time for outdoor activities. This month marks a significant drop compared to the summer highs, yet it retains a comfortable warmth, ideal for enjoying the early autumn scenery. With each passing week, expect cooler evenings, hinting at the seasonal shift ahead, while the daytime sun still offers a warm embrace. As September unfolds, it presents a perfect blend of lingering warmth and a crispness that beckons the fall—truly a unique and captivating time in Newbury.

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

The chart illustrates September temperature patterns in Newbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495461646358524643
Data source: Temperature data for Newbury 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 Newbury

In September, Newbury experiences a moderate precipitation amount of 50 mm (2.0 in), matching the rainfall seen in January, and indicating the onset of autumn with a refreshing drop from the summer's peaks. Over 9 rainy days, the steady showers help nourish the landscape, maintaining the lush greenery that characterizes the region during this transitional month. As the year progresses, September serves as a prelude to the wetter months ahead, notably October, which typically sees a dramatic increase in rainfall. This pattern highlights how the late summer's gradual retreat gives way to the more unpredictable weather of autumn, setting the stage for the vibrant changes in foliage and atmosphere that ensue.

September Precipitation Trends in Newbury

The chart displays monthly precipitation patterns in Newbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec505360386975637150975684
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newbury

In September, Newbury experiences a notable shift in humidity, with levels at a comfortable 82%. This month marks a transition as summer wanes, following the relatively moderate 76% humidity of August. The trend highlights a gradual rise from July's low of 71%, suggesting the onset of autumn brings with it a touch of moisture to the air. September's humidity is still significantly lower than the winter months, when levels surge to an average of 90% or more. As nature prepares for the colder seasons, the humidity continues to play a vital role in the changing atmosphere of Newbury.

September Average Humidity in Newbury

This chart illustrates the average monthly humidity levels in Newbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Newbury

As summer gives way to autumn in Newbury, September sees a UV Index of 6, indicating a high exposure category that warrants attention. This is a slight drop from the peak very high levels recorded in July and June, but it still requires protective measures while outdoors, with a burn time of approximately 25 minutes for those with lighter skin. The month follows a trend of gradually decreasing UV levels as we move from the intense summer sun, yet it's crucial to remain vigilant during these transitional months. With the UV Index starting to decline towards winter, September is a reminder that sun safety should remain a priority. For more detailed information, check out the Newbury UV Index.

Maximum UV Index Levels in Newbury for September

The chart shows the monthly maximum UV Index (UVI) for Newbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Newbury 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 Newbury

September in Newbury, United Kingdom, basks in 293 hours of sunshine, offering a radiant conclusion to the summer months. As the weather shifts towards autumn, this figure showcases a notable decline from the sun-soaked days of July, which recorded a peak of 397 hours. However, September still holds its charm, featuring more sunlight than the chillier months ahead, particularly October's 237 hours and November's dismal 144 hours. This transition illustrates a gradual tapering of brightness from the summer's height but still provides ample warmth and light for late outdoor activities and early autumn festivities. Embrace the golden rays of September before the clouds of autumn settle in!

Monthly Sunshine Duration in Newbury: September Highlighted

The September sunshine duration represents the total number of hours Newbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h146h203h313h388h377h397h359h293h237h144h111h
Data source: Newbury September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newbury During September

In Newbury, the likelihood of sunny weather in September hovers around 26%, maintaining the trend of relatively modest sun exposure common throughout the late summer months. Following the sunniest period of the year in April, which boasts a significant 52% chance, September's sunshine probability falls in line with July and October, both showcasing similar patterns of variable sunshine. Interestingly, this time of year transitions from the warmer summer days, yet the sun's embrace remains somewhat elusive, just as it is in August and June, suggesting that while September offers a pleasant climate for outdoor activities, one should still brace for mixed weather. Overall, the month presents a balanced blend of lingering warmth and the subtle beginnings of autumn, making it a lovely time to enjoy the outdoors, even if the sun isn't always shining brightly.

Percentage of Sunny Days in September in Newbury

The chart illustrates the percentage of sunny days in Newbury 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 Newbury experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%24%27%52%32%26%36%23%26%25%31%17%
Data source: Newbury September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newbury in September

As September unfolds in Newbury, the days begin to gently shorten, offering about 12 hours of daylight. This transitional month follows the vibrant summer, where daylight peaks at 16 hours in June and July, and signals the gradual retreat into autumn with October’s 10 hours. Interestingly, September retains a sufficient amount of light, providing a comforting balance that hints at the impending seasonal changes. The decline from the 14 hours of daylight in August is slight, yet significant, marking a shift that emphasizes the waning warmth of summer while still allowing for ample time to enjoy outdoor activities before the darker months settle in.

Average Daylight Hours in Newbury for September

The chart illustrates the variation in daylight duration in Newbury throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 37m16h 31m16h 2m14h 29m12h 34m10h 36m8h 51m7h 54m
Data source: Newbury daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Newbury

As September arrives in Newbury, the gentle embrace of autumn is felt through the average wind speed of 3.5 m/s (8 mph), a slight dip from the summer months. This trend marks a transition from the more vibrant breezes of late spring and early summer, which typically hover around 4.3 m/s to 4.5 m/s. As the year progresses, this subtle decrease in wind speed reflects the natural cooling of the air and the onset of changing seasons. Interestingly, October sees a rebound with winds picking up to a lively 4.5 m/s, hinting at the dynamic shifts in the weather patterns typical of early autumn. Overall, September’s winds serve as a soft reminder of summer's farewell while paving the way for the brisk enthusiasm of fall.

Average September Wind Speed in Newbury

The chart displays monthly wind speed patterns in Newbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.53.44.33.23.23.83.5 m/s4.53.94.6
Data source: Newbury September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Newbury Compares to Other Months

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

September and January exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F), creating a mild and often pleasant atmosphere. Humidity is relatively high at 82%, and precipitation occurs on about 9 days, totaling 50 mm (2.0 in). In contrast, January brings cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 14°C (58°F), resulting in an average of 5°C (41°F). The month sees a slight increase in humidity at 91%, and while precipitation remains consistent at 50 mm (2.0 in) over 9 days, the overall colder conditions sharply diverge from September's warmth. For more detailed insights, check out Newbury weather in January.

September and February present strikingly different weather patterns. In September, temperatures are generally milder, with lows around 2°C (37°F) and an average high of 28°C (83°F), creating a pleasant transition into autumn. The month experiences about 50 mm (2.0 in) of precipitation over approximately 9 days, with humidity levels averaging 82%. In contrast, February brings colder conditions, with temperatures dipping to a minimum of -8°C (17°F) and an average high of 18°C (64°F). Precipitation slightly increases to 53 mm (2.1 in) over about 11 days, accompanied by higher humidity at 89%. For more detailed insights on February weather, you can visit Newbury weather in February.

Comparing the weather in September and March reveals notable differences. September typically enjoys milder temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). In contrast, March experiences colder temperatures, starting from a minimum of -6°C (22°F) and rising to a maximum of 21°C (71°F), with an average of only 7°C (45°F). While both months see some precipitation, March records slightly higher rainfall at 59 mm (2.3 in) over 13 days compared to September's 50 mm (2.0 in) over 9 days. Interestingly, March is also slightly more humid, with levels hitting 86% compared to September's 82%. For more specific details about March weather in Newbury, you can visit Newbury weather in March.

Comparing the weather in September and April reveals notable differences in temperature and humidity. September generally offers milder temperatures, with a minimum of 2°C (37°F), an average of 15°C (59°F), and a maximum of 28°C (83°F). In contrast, April experiences cooler conditions, starting with a minimum of -3°C (26°F) and averaging 9°C (49°F), though it can still reach highs of 26°C (78°F). Both months have a similar number of rainy days, with September seeing 50 mm of precipitation over 9 days, while April has slightly less, at 38 mm across 8 days. Humidity levels are also comparable, with September at 82% and April slightly higher at 85%. For more detailed information, you can visit Newbury weather in April.

September and May present distinct weather patterns, with September generally offering warmer temperatures. In September, the temperature ranges from a chilly minimum of 2°C (37°F) to a comfortable average of 15°C (59°F), peaking at a maximum of 28°C (83°F). In contrast, May starts off cooler, with temperatures ranging from a minimum of 0°C (33°F) to an average of 12°C (55°F) and a maximum of 25°C (78°F). Precipitation is slightly higher in May at 69 mm (2.7 in) over 11 days, compared to September’s 50 mm (2.0 in) over 9 days. Humidity levels are relatively close, with September at 82% and May at 79%. For more detailed insights, you can explore Newbury weather in May.

September presents a milder climate compared to June, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), while June boasts slightly warmer conditions with temperatures ranging from 6°C (43°F) to 31°C (88°F). Additionally, September experiences less precipitation—about 50 mm (2.0 in) over 9 days—compared to June, which sees 75 mm (3.0 in) over 11 days. Both months have high humidity levels, with September at 82% and June slightly lower at 80%. For a detailed view of June's weather, check out Newbury weather in June.

In comparing the weather of September and July, we see distinct differences in temperature and humidity. September enjoys a broader temperature range, with minimums dipping to 2°C (37°F) and maximums reaching up to 28°C (83°F), averaging around 15°C (59°F). In contrast, July is noticeably warmer, with a minimum of 7°C (45°F) and maximums peaking at 35°C (95°F), leading to a higher average of 18°C (65°F). Additionally, September experiences higher humidity at 82% compared to July's 71%, which can make the cooler days feel damp. Precipitation is slightly lower in September with 50 mm (2.0 in) over 9 days, while July sees 63 mm (2.5 in) over 12 days. For a closer look at July's weather specifics, refer to Newbury weather in July.

September tends to showcase a more moderate climate compared to August, with average temperatures dropping to 15°C (59°F), compared to August's warmer average of 17°C (63°F). The maximum temperature in September is also lower at 28°C (83°F), significantly less than August's peak of 34°C (93°F). Additionally, September experiences higher humidity levels at 82%, compared to August's 76%. Precipitation is slightly lower in September with 50 mm (2.0 in) over 9 days, while August has a greater total of 71 mm (2.8 in) across 12 days. For a closer look at August weather, check out Newbury weather in August.

In comparing the weather of September and October, it is evident that October brings cooler temperatures and increased precipitation. September features a minimum temperature of 2°C (37°F) and an average of 15°C (59°F), with a maximum reaching 28°C (83°F). In contrast, October sees temperatures drop, with a minimum of 0°C (33°F) and an average of 11°C (53°F), peaking at 23°C (73°F). Additionally, October records higher precipitation levels at 97 mm (3.8 in) across 12 days, compared to September's 50 mm (2.0 in) over 9 days. Moreover, humidity rises in October to 90%, up from September's 82%. For more details on October weather specifics, you can visit Newbury weather in October.

In September, the weather is notably milder, with temperatures ranging from a minimum of 2°C (37°F) to a warm maximum of 28°C (83°F), and an average of 15°C (59°F). However, the month also sees some rain, with 50 mm (2.0 in) of precipitation over approximately 9 days and humidity levels around 82%. In contrast, November experiences cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 16°C (61°F), averaging 8°C (46°F). The month is slightly wetter, receiving 56 mm (2.2 in) of precipitation over 12 days and higher humidity at 92%. For a more detailed look at November's conditions, visit Newbury weather in November.

In September, the weather is generally milder with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). The month experiences about 50 mm (2.0 in) of precipitation over roughly 9 days, along with a humidity level of 82%. In contrast, December brings colder conditions, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 14°C (57°F) and an average of 6°C (43°F). Additionally, December sees an increase in precipitation to 84 mm (3.3 in) spread over 14 days, coupled with higher humidity at 92%. For more detailed insights on December weather, you can visit Newbury weather in December.

Compare Newbury's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Newbury

As September unfolds in Newbury, the weather marks a delightful transition from the summer heat to the crispness of autumn. While temperatures can still reach a pleasant maximum of 28°C, the overall ambiance shifts toward cooler averages around 15°C and even brisk nights dropping to 2°C. This month typically experiences 50 mm of precipitation over 9 days, highlighting a marked increase in humidity, often sitting at 82%, which adds a certain richness to the air. Compared to the hot, dry spells of summer, September’s sporadic rain and gentle coolness create a refreshing backdrop for the changing seasons. For a deeper understanding of how the climate shapes this charming town, explore Newbury Climate.