September Weather in Henley in Arden, United Kingdom

Last updated: March 17, 2025

September weather in Henley in Arden offers a delightful blend of warmth and transition as summer begins to wane. With maximum temperatures reaching a pleasant 30°C (86°F) and an average of 14°C (58°F), the month provides a comfortable climate for outdoor activities. However, travelers should prepare for cooler nights, with minimum temperatures dropping to 2°C (36°F). Rainfall is moderate, with a total of 58 mm (2.3 in) spread over 9 days, contributing to a rich, verdant landscape. The high humidity level of 85% adds a touch of mugginess, reminding visitors that autumn is on the horizon. Overall, September in Henley in Arden is characterized by its variable weather, making it an interesting time to explore this charming town.

September Temperature in Henley in Arden

In September, Henley in Arden transitions gracefully from the warmth of summer to the cooler whispers of autumn. With minimum temperatures dipping to around 2°C (36°F) and maximums still reaching a balmy 30°C (86°F), this month showcases a delightful blend of warmth and crispness. The average temperature settles comfortably at 14°C (58°F), offering a refreshing reprieve from the late summer heat. As September progresses, you may notice the air becoming brisker, hinting at the approaching fall while still embracing the lingering warmth of late summer days. This dynamic shift not only highlights the charm of this picturesque English town but also invites visitors to enjoy both tranquil afternoons and cool evenings amidst its stunning landscapes.

September Weather in Henley in Arden: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Henley in Arden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345485461646358524643
Data source: Temperature data for Henley in Arden 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 Henley in Arden

In September, Henley in Arden experiences a moderate precipitation level of 58 mm (2.3 in), which reflects a slight decrease from the wetter summer months. With only 9 days of rainfall, it's clear that this early autumn month offers a respite from the consistent downpours of August, where the rain measured 76 mm (3.0 in) over 13 days. This trend suggests a transition into a dryer spell, setting the stage for the crisper autumn air. As October approaches, the anticipated increase in precipitation to 88 mm (3.5 in) over 12 days indicates that the region is gearing up for its traditional fall weather patterns, where rain becomes more frequent and heavier, preparing the landscape for the winter ahead.

September Precipitation Trends in Henley in Arden

The chart displays monthly precipitation patterns in Henley in Arden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec535566436675737658886884
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Henley in Arden

In Henley in Arden, September marks a transitional phase in humidity, with levels rising to 85% after a summer of relatively lower figures. As the warm days of August, which held steady at 77%, give way to the cooler embrace of autumn, the increase in humidity is a precursor to the more pronounced dampness of the following months. This shift signals a return to the higher humidity typical of late autumn, where figures climb back towards the 90% mark seen in January and October. Overall, the trend illustrates a gradual upward movement in humidity as the year progresses, creating a rich atmosphere in Henley in Arden that complements the changing seasons.

September Average Humidity in Henley in Arden

This chart illustrates the average monthly humidity levels in Henley in Arden, 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 Henley in Arden

In September, Henley in Arden experiences a moderate UV Index of 5, marking a transition from the peak summer months into the early autumn season. With a burn time of 30 minutes, it’s crucial to be mindful of sun exposure, especially as the weather begins to cool. This month reflects a gradual decline from the very high levels of July and June, where the UV Index reached an 8, yet still requires caution—particularly during midday hours. Understanding these trends is essential for planning outdoor activities safely. For more details, visit Henley in Arden UV Index.

Maximum UV Index Levels in Henley in Arden for September

The chart shows the monthly maximum UV Index (UVI) for Henley in Arden 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: Henley in Arden 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 Henley in Arden

In September, Henley in Arden basks in a delightful 279 hours of sunshine, gracefully transitioning from the sun-drenched days of summer. This month captures a significant portion of the year's brightness, even as the days begin to shorten. The gradual decline from the 381 hours of sunshine in July reveals a gentle shift towards autumn, but September still offers a vibrant landscape bathed in warm light. There's a palpable sense of transition in the air, as the richness of summer gives way to the crispness of fall, making it a perfect time to relish the lingering warmth before winter descends. As daylight wanes, the town's charm shines through, inviting both locals and visitors to enjoy the picturesque scenery and seasonal delights.

Monthly Sunshine Duration in Henley in Arden: September Highlighted

The September sunshine duration represents the total number of hours Henley in Arden 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h142h189h300h375h348h381h336h279h221h120h101h
Data source: Henley in Arden September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Henley in Arden During September

In September, Henley in Arden enjoys a 28% chance of sunny weather, reflecting a slight improvement from the summer months. While this percentage is modest compared to the sunnier days of April, which boasts a 48% chance, it signifies a transition away from the peak warmth of July, which offers the highest likelihood at 35%. The month marks an interesting blend of late summer warmth and the onset of autumn, affording residents and visitors alike some pleasant days to savor before the greyer months set in. As the season shifts, September provides a unique opportunity to experience the picturesque beauty of the English countryside under the soft glow of the sun, even if just for a fraction of the month.

Percentage of Sunny Days in September in Henley in Arden

The chart illustrates the percentage of sunny days in Henley in Arden 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 Henley in Arden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%23%25%48%29%24%36%23%28%23%31%15%
Data source: Henley in Arden September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Henley in Arden in September

As autumn approaches in Henley in Arden, September brings a gentle transition in daylight hours, offering about 12 hours of sunlight. Following the lengthy days of summer, which basked in 16 hours of light during June and July, September marks a gradual decline. This month balances the lingering warmth of late summer with the early whispers of fall, providing a comforting yet noticeable reduction compared to the 14 hours seen in August. Looking ahead, the daylight will continue to recede, leading into October's 10 hours and further into the heart of winter. This gradual shift not only signifies the changing seasons but also invites the community to embrace the cozy charm of autumn evenings.

Average Daylight Hours in Henley in Arden for September

The chart illustrates the variation in daylight duration in Henley in Arden throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 17m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 33m12h 36m10h 34m8h 45m7h 46m
Data source: Henley in Arden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Henley in Arden

As September unfolds in Henley in Arden, the average wind speed tends to settle at 3.4 m/s (8 mph), marking a subtle transition as the summer breezes wane. This month mirrors the gentler conditions of July and June, creating a calm yet refreshing atmosphere perfect for leisurely walks and outdoor gatherings. Interestingly, September's winds are slightly stronger than those in the preceding months, suggesting a gradual ramp-up towards the brisker autumn days ahead. Looking back at the annual trend, the summer months generally maintain lighter winds, while October is expected to bring a noticeable uptick in gusts, reinforcing the shift to more dynamic weather patterns as the season progresses.

Average September Wind Speed in Henley in Arden

The chart displays monthly wind speed patterns in Henley in Arden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.25.14.53.34.03.33.03.73.4 m/s4.74.04.6
Data source: Henley in Arden September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Henley in Arden Compares to Other Months

The weather in Henley in Arden 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 Henley in Arden and find detailed weather information for every month.

September typically offers a more varied climate compared to January, with temperatures ranging from a cool 2°C (36°F) to a warm 30°C (86°F) and an average of 14°C (58°F). In contrast, January is notably colder with temperature lows dipping to -5°C (24°F) and an average of only 5°C (41°F), peaking at 14°C (58°F). Both months experience similar levels of precipitation, with September seeing 58 mm (2.3 in) over 9 days and January slightly lower at 53 mm (2.1 in) over 10 days. Additionally, humidity is higher in January at 90% compared to September's 85%, contributing to a crisp, cool air. For a more detailed look at January conditions, you can explore Henley in Arden weather in January.

In comparing the weather between September and February, September boasts a more varied temperature range with minimums around 2°C (36°F) and maximums soaring to 30°C (86°F), averaging 14°C (58°F). In contrast, February experiences colder temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 18°C (65°F), with an average of 6°C (43°F). While September sees about 58 mm (2.3 in) of precipitation over approximately 9 days, February is slightly drier with 55 mm (2.2 in), but it has more rainy days at 12. The humidity levels are relatively high in both months, with September at 85% and February slightly higher at 88%. For more detailed insights, you can check Henley in Arden weather in February.

September and March present distinct contrasts in weather, highlighting the transition from late summer to early spring. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 14°C (58°F), making it generally warmer. The month experiences about 58 mm (2.3 in) of precipitation over 9 days, and humidity levels average around 85%. Conversely, March brings a cooler climate, with temperatures fluctuating from a minimum of -7°C (20°F) to a peak of 21°C (70°F), resulting in an average of 7°C (45°F). This month sees slightly higher precipitation at 66 mm (2.6 in) spread over 14 days, accompanied by a stable humidity level of 86%. For more details on the weather patterns in March, you can visit Henley in Arden weather in March.

In comparing the weather between September and April, September typically experiences warmer temperatures, with averages around 14°C (58°F), peaking at a maximum of 30°C (86°F), while April tends to be cooler, averaging 9°C (49°F) with a maximum of 25°C (77°F). Both months share a similar number of rainy days, with precipitation occurring on about 9 days, but September receives slightly more rainfall at 58 mm (2.3 in) compared to April's 43 mm (1.7 in). Humidity levels are almost identical in both months, hovering around 85% in September and 84% in April, creating a consistently moist atmosphere throughout. For more detailed insights about April weather in this region, you can check Henley in Arden weather in April.

In comparing the weather between September and May, we find that September offers a wider temperature range, with minimums reaching 2°C (36°F) and maximums soaring up to 30°C (86°F), while May's temperatures are slightly cooler, ranging from a minimum of -1°C (31°F) to a maximum of 26°C (79°F). September typically has an average temperature of 14°C (58°F), compared to May's average of 12°C (55°F). Precipitation in September totals 58 mm (2.3 in) over approximately 9 days, whereas May sees slightly more precipitation at 66 mm (2.6 in) across about 12 days, indicating that May may be a bit wetter overall. Humidity levels are similar, with September at 85% and May at 80%. For those interested in a closer look at May's weather conditions, you can check Henley in Arden weather in May.

September and June offer distinct weather experiences. In September, temperatures range from a cool 2°C (36°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (58°F). This month sees around 58 mm (2.3 in) of precipitation over approximately 9 days, and humidity levels are quite high at 85%. In contrast, June tends to be milder, with nighttime lows of 6°C (43°F) and daytime highs reaching 30°C (87°F), averaging 16°C (61°F). The precipitation in June is slightly higher at 75 mm (3.0 in) and occurs over about 11 days, with humidity at 81%. Thus, while both months can bring warm temperatures, September is characterized by lower average temperatures and slightly higher humidity. For more details, check out Henley in Arden weather in June.

In comparing the weather between July and September, we can observe notable differences in temperature and precipitation. July boasts warmer temperatures, with a minimum of 6°C (44°F) and an average of 18°C (64°F), peaking at 34°C (94°F). In contrast, September experiences cooler weather, ranging from a minimum of 2°C (36°F) to an average of 14°C (58°F), and reaching a maximum of 30°C (86°F). Additionally, July tends to be slightly wetter, with 73 mm (2.9 in) of precipitation over 11 days, compared to September's 58 mm (2.3 in) over 9 days. Humidity levels are also higher in September at 85%, whereas July's humidity averages around 76%. For more detailed information about the July weather, you can explore Henley in Arden weather in July.

In comparing the weather between September and August, September exhibits a broader temperature range, with minimums dipping to 2°C (36°F) and maximums reaching up to 30°C (86°F), whereas August has a milder minimum of 7°C (46°F) and a higher maximum of 33°C (92°F). The average temperature in September is 14°C (58°F), which is slightly lower than August's average of 17°C (63°F). In terms of precipitation, September experiences 58 mm (2.3 in) over 9 days, while August records 76 mm (3.0 in) over 13 days, indicating that August tends to be wetter. Additionally, September's humidity is higher at 85% compared to August's 77%. For those interested in delving deeper into August's specifics, please refer to this link: Henley in Arden weather in August.

September and October show a notable shift in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 14°C (58°F). The month sees relatively moderate precipitation at 58 mm (2.3 in) over 9 days, accompanied by humidity levels around 85%. Conversely, October brings cooler temperatures, with a minimum dipping to -1°C (31°F) and a maximum of 23°C (73°F), averaging 11°C (52°F). Precipitation increases to 88 mm (3.5 in) over 12 days, and humidity rises slightly to 90%. This shift marks October as a month of significant cooling and increased moisture, making it quite distinct from September. For more detailed insights, you can visit Henley in Arden weather in October.

In September, temperatures in Henley in Arden range from a minimum of 2°C (36°F) to a maximum of 30°C (86°F), with an average of 14°C (58°F). This month tends to be warmer with a relatively low precipitation of 58 mm (2.3 in) over about 9 days and moderate humidity at 85%. In contrast, November sees a significant drop in temperatures, with a minimum of -2°C (28°F) and a maximum of 17°C (63°F), averaging around 8°C (46°F). This month also experiences higher precipitation of 68 mm (2.7 in) over 13 days, coupled with increased humidity levels at 92%. For a detailed outlook on the weather in November, visit Henley in Arden weather in November.

September and December mark contrasting seasons, both in temperature and weather conditions. In September, temperatures range from a mild 2°C (36°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (58°F). This month experiences 58 mm (2.3 in) of precipitation over about 9 days, coupled with a humidity level of 85%. In stark contrast, December brings much colder temperatures, with a minimum of -7°C (19°F) and an average of just 6°C (43°F). The highest temperature reaches only 14°C (58°F), and the month records a substantial 84 mm (3.3 in) of precipitation spread across 16 days, alongside a humidity level of 90%. For detailed information on December conditions, check out Henley in Arden weather in December.

Compare Henley in Arden's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Henley in Arden

September in Henley in Arden showcases a delightful transition, blending the warmth of late summer with the beginnings of autumn. Average temperatures hover around a comfortable 14°C, offering a refreshing respite from the peak summer heat, while the maximum can still reach a balmy 30°C on sunny days. However, this month is also marked by an increase in precipitation, seeing about 58 mm across roughly nine days, which contributes to the lush, vibrant landscapes typical of this time. With humidity levels at 85%, the air feels quite rich, enhancing the cozy atmosphere of early autumn. For a deeper understanding of yearly weather trends, you can explore Henley in Arden Climate.