September Weather in Oxford, United Kingdom

Last updated: March 17, 2025

September in Oxford, United Kingdom offers a diverse weather experience characterized by a maximum temperature of 29°C (84°F), creating warm afternoons perfect for outdoor activities. The average temperature hovers around a comfortable 15°C (59°F), while cooler evenings dip to a refreshing minimum of 3°C (37°F). Visitors can expect 53 mm (2.1 in) of rain spread over 9 days, making it advisable to carry an umbrella. With humidity levels reaching 82%, September presents a blend of mild warmth and the crispness of early autumn, inviting exploration amidst the historic charm of the city.

September Temperature in Oxford

As September unfolds in Oxford, United Kingdom, the temperatures begin their gradual descent from the summer heat. With minimums around 3°C (37°F), the days offer a refreshing embrace as the average warms up to a pleasant 15°C (59°F), peaking at a comfortable 29°C (84°F). This month marks a transitional period, as Oxford enjoys the lingering warmth of summer while hinting at the cooler days ahead. The fluctuation between the warmer and cooler temperatures creates a vibrant tapestry of autumn hues, inviting residents and visitors alike to relish in the picturesque scenery and mild weather before the brisk fall sets in.

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

The chart illustrates September temperature patterns in Oxford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524643
Data source: Temperature data for Oxford 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 Oxford

In September, Oxford experiences an average precipitation of 53 mm (2.1 inches) over approximately 9 days, marking a slight decrease from the wetter summer months. This drop in rainfall hints at the transition into autumn, where conditions typically become a bit drier compared to the peak of summer. Notably, September's rainfall is lower than that of the following month, October, which typically sees a significant increase to 95 mm (3.7 inches), emphasizing the shift towards a more drizzly season. As we bid farewell to the warmer days, residents can expect a blend of sunshine interspersed with occasional rain showers, capturing the essence of early autumn in this historic city.

September Precipitation Trends in Oxford

The chart displays monthly precipitation patterns in Oxford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515160386674647153955783
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Oxford

As summer fades into autumn, September in Oxford ushers in a noticeable shift in humidity, with levels averaging 82%. This marks a slight increase from August’s 76%, hinting at the onset of wetter conditions typical of the fall season. In contrast to the more humid winter months, which peak at 92% in November and December, September strikes a balance, providing an atmosphere that feels significantly fresher than the previous months of July and August, where humidity fell to their summer lows of 71% and 76%, respectively. Such fluctuations illustrate the city's transitional climate, as Oxford prepares for the cooler, more humid days ahead.

September Average Humidity in Oxford

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

In September, Oxford experiences a UV Index of 6, categorizing it as high, with a burn time of 25 minutes. This month marks a transition as summer recedes, yet the remaining sun can still pose risks to unprotected skin. Compared to the peak of summer when UV levels soar to 8, September's UV index remains significant and requires caution, especially for outdoor activities. As we move into autumn, the UV intensity decreases, but September serves as a reminder of the summer's lingering effects. To navigate these changing conditions effectively, it’s wise to practice sun safety. For more detailed insights, visit the Oxford UV Index.

Maximum UV Index Levels in Oxford for September

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

As summer gently transitions into autumn, September in Oxford offers a delightful embrace of sunshine, boasting 293 hours of sunlight—a notable reduction from the sun-drenched days of high summer yet still vibrant compared to the chillier months ahead. After peaking in July with 397 hours, the sunlight gradually tapers off, marking a shift in the seasonal rhythm. September retains a tape of warmth, inviting locals and visitors alike to bask in the golden glow of early autumn. As the days grow shorter, the rich tapestry of sunlight reflects the changing landscape, hinting at the cozy comforts of fall to come while ensuring that the spirit of summer lingers just a little longer.

Monthly Sunshine Duration in Oxford: September Highlighted

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

Chance of Sun in Oxford During September

As September unfolds in Oxford, the chance of experiencing sunny weather stands at a moderate 27%. This marks a slight rise from the summer months, where July enjoys the highest likelihood of sunshine at 36%, yet it also trails behind the bolder optimism seen in April's peak of 50%. Interestingly, September's sunshine chance is a notch above the cooler October, which dips to 24%. This trend illustrates a transitional phase; while September may retain a hint of summer's warmth, it also hints at the impending autumn, balancing between milder sunny days and the encroaching clouds. For those hoping to soak up some late summer rays, September in Oxford still offers a promising window for enjoying the outdoors.

Percentage of Sunny Days in September in Oxford

The chart illustrates the percentage of sunny days in Oxford 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 Oxford experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%24%26%50%31%25%36%22%27%24%31%16%
Data source: Oxford September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oxford in September

In September, Oxford experiences a transition as daylight begins to wane, offering around 12 hours of light each day. Following the summer months, which bask in up to 16 hours of sunlight in June and July, September marks a gradual shift towards autumn with a noticeable reduction in daylight. This trend continues as the month progresses, setting the stage for the shorter days of October, which offers just 10 hours of daylight. The beautiful golden hues of early autumn not only signal the change in seasons but also provide a perfect backdrop for outdoor activities during these diminishing yet still ample hours of light.

Average Daylight Hours in Oxford for September

The chart illustrates the variation in daylight duration in Oxford throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 54m15h 39m16h 34m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m
Data source: Oxford daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Oxford

As September rolls into Oxford, the winds begin to mellow, with an average speed of 3.5 m/s (8 mph), contrasting with the earlier summer months. This gentle breeze is a noticeable drop from the more robust gusts of January and February, which average around 4.4 m/s (10 mph) and 5.1 m/s (11 mph), respectively. The transition from August's moderate winds at 3.8 m/s (9 mph) signals the onset of autumn, offering a serene countryside experience. As the month progresses, anticipation builds for brisk October breezes, hinting at a refreshing change ahead. Overall, September's wind patterns reflect a gradual calming that invites leisurely strolls through the historic streets of Oxford.

Average September Wind Speed in Oxford

The chart displays monthly wind speed patterns in Oxford, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.53.44.23.33.23.83.5 m/s4.64.04.6
Data source: Oxford September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Oxford Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (59°F). The month sees moderate humidity at 82% and experiences around 53 mm (2.1 in) of precipitation over 9 days. In contrast, January's temperatures dip significantly, ranging from a chilly -4°C (26°F) overnight to a cool 14°C (58°F) at peak, with an average of just 5°C (41°F). Although precipitation is similar at 51 mm (2.0 in) over 9 days, January has a higher humidity level at 91%. For more details on January weather, you can visit Oxford weather in January.

When comparing the weather in September and February, it's clear that the two months showcase distinct seasonal characteristics. September boasts a more temperate climate, with average temperatures ranging from a mild 15°C (59°F) to a warm 29°C (84°F), accompanied by 53 mm (2.1 in) of precipitation over 9 days and a humidity level of 82%. In contrast, February features much colder conditions, with average temperatures dropping to around 6°C (43°F) and maximums reaching only 18°C (65°F). The month experiences similar precipitation levels at 51 mm (2.0 in), but over 11 days, with an increased humidity of 89%. For a closer look at February's weather specifics, you can refer to Oxford weather in February.

In comparing the weather of September and March, notable differences emerge in temperature and precipitation patterns. September tends to be warmer, with an average temperature of 15°C (59°F), ranging from a low of 3°C (37°F) to a high of 29°C (84°F). In contrast, March is cooler, averaging 7°C (45°F), with temperatures dipping as low as -6°C (22°F) and peaking at 21°C (71°F). Both months experience significant precipitation, with September receiving about 53 mm (2.1 in) over 9 days, while March sees slightly more at 60 mm (2.4 in) over 13 days. Humidity levels are fairly high in both months, with March at 86% and September at 82%. For more details on March weather specifics, you can check Oxford weather in March.

In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September is generally warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), while April experiences cooler temperatures, with lows around -3°C (27°F) and a high of 26°C (79°F). Both months have similar humidity levels, with September at 82% and April slightly higher at 85%. Additionally, September receives more rainfall, accumulating 53 mm (2.1 in) over approximately 9 days, compared to April's 38 mm (1.5 in) across 8 days. For a more detailed look at April weather, you can visit Oxford weather in April.

In September, the weather tends to be warmer with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F) and an average of 15°C (59°F). This month sees around 53 mm (2.1 in) of precipitation over 9 days, accompanied by a humidity level of 82%. In contrast, May experiences cooler temperatures, with a minimum of 0°C (32°F), an average of 12°C (54°F), and a maximum of 26°C (78°F). May also has slightly more precipitation at 66 mm (2.6 in) over 11 days, though humidity is a bit lower at 79%. For more detailed weather information, check Oxford weather in May.

In comparing the weather between September and June, we see some notable differences. September enjoys a wider temperature range, with minimums dropping to 3°C (37°F) and maximums reaching up to 29°C (84°F), whereas June has a more consistent pattern, with minimums around 6°C (43°F) and maximums peaking at 31°C (87°F). Precipitation is slightly heavier in June, totaling 74 mm (2.9 in) over 12 rainy days, compared to September's 53 mm (2.1 in) and 9 days of rain. Humidity levels remain relatively high in both months, with September at 82% and June at 80%. For more detailed information on seasonal climate patterns, check Oxford weather in June.

In comparing the weather of September and July, it becomes evident that July is generally warmer and more humid. With minimum temperatures starting at 7°C (45°F) and peaking at 35°C (96°F), July averages 18°C (65°F), while September starts cooler at a minimum of 3°C (37°F) and reaches an average of 15°C (59°F). Rainfall also varies, with July experiencing 64 mm (2.5 in) of precipitation over 12 days compared to September's 53 mm (2.1 in) over 9 days. Additionally, September's humidity is higher at 82%, compared to July’s 71%. For more detailed insights about July's weather, you can check Oxford weather in July.

September experiences cooler temperatures compared to August, with a minimum of 3°C (37°F) and an average of 15°C (59°F), while August sees minimums of 7°C (46°F) and an average of 17°C (63°F). The maximum temperature in September reaches 29°C (84°F), which is lower than August's peak of 33°C (92°F). Additionally, September has higher humidity at 82% compared to August's 76%. Precipitation in September totals 53 mm (2.1 in) over 9 days, whereas August has more rainfall at 71 mm (2.8 in) across 12 days. For more detailed information, check Oxford weather in August.

In comparing the weather from September to October, one can observe a notable drop in temperature as autumn sets in. September typically sees minimum temperatures around 3°C (37°F) and averages reaching 15°C (59°F), with maximums peaking at 29°C (84°F). In contrast, October experiences cooler conditions, with minimums dropping to 0°C (32°F) and an average temperature of 11°C (53°F), while the maximums reach only 23°C (73°F). Additionally, October tends to be wetter, receiving 95 mm (3.7 in) of precipitation over 13 days, compared to September's 53 mm (2.1 in) over 9 days. Humidity levels also rise in October to 90%, compared to September's 82%. For more insights on the weather patterns during this month, you can refer to Oxford weather in October.

In September, weather conditions tend to be milder with temperatures ranging from a chilly minimum of 3°C (37°F) to a pleasant maximum of 29°C (84°F) and an average temperature of 15°C (59°F). Precipitation is relatively light, totaling 53 mm (2.1 in) over about 9 days, and humidity levels sit at 82%.

In contrast, November introduces a noticeable chill with temperatures dropping, featuring a minimum of -2°C (28°F) and an average of 8°C (46°F), while the maximum reaches only 16°C (62°F). It sees slightly more precipitation, totaling 57 mm (2.2 in) over 12 days, accompanied by higher humidity at 92%. For a more detailed look at November weather, check out Oxford weather in November.

September and December present distinctly different weather characteristics. In September, temperatures range from a mild minimum of 3°C (37°F) to a comfortable average of 15°C (59°F), peaking at a warm 29°C (84°F). The month experiences an average precipitation of 53 mm (2.1 in) over about 9 days, with humidity levels around 82%. In contrast, December sees a drop in temperatures, with a minimum of -5°C (24°F) and an average of just 6°C (43°F), reaching a maximum of 14°C (58°F). This month is notably wetter, with 83 mm (3.3 in) of precipitation spread over approximately 15 days, and an increase in humidity to 92%. For a more detailed look at December weather, you can visit Oxford weather in December.

Compare Oxford's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Oxford

As September unfolds in Oxford, the weather offers a delightful transition from the summer heat to the crispness of autumn. Temperatures fluctuate with a maximum of 29°C and a gentle average around 15°C, making it noticeably more versatile compared to the sweltering summer months. However, the drop to a minimum of 3°C signifies the approaching chill, which is a welcome change for those longing for a cooler climate. With 53 mm of rainfall spread over 9 days, September experiences a moderate amount of precipitation, introducing a refreshing element to the landscape. Coupled with high humidity at 82%, this month stands out as a time of transformation, as the lush greenery begins to yield to the vibrant hues of fall. For a deeper understanding of what to expect throughout the year, explore the detailed climate patterns on Oxford Climate.