September Weather in Royal Leamington Spa, United Kingdom

Last updated: March 17, 2025

September in Royal Leamington Spa, United Kingdom, showcases a delightful transition into autumn with a maximum temperature reaching 29°C (85°F) and an average of 14°C (58°F). While the days can be warm, the nights cool down significantly, dipping to a minimum of 2°C (36°F). This month experiences around 58 mm (2.3 in) of precipitation spread over 9 days, contributing to a humid atmosphere with levels averaging 85%. Overall, September offers a mix of sunny days and gentle rains, creating a picturesque and vibrant backdrop for outdoor activities.

September Temperature in Royal Leamington Spa

In September, Royal Leamington Spa experiences a lovely transition from the summer heat as temperatures begin to dip. The minimum temperature settles at a comfortable 2°C (36°F), while the average nudges up to 14°C (58°F), providing a pleasant atmosphere for outdoor activities. The maximum temperature can still reach a warm 29°C (85°F), reminiscent of the summer months, creating an inviting backdrop for early autumn strolls. As September unfolds, the overall trend reflects a gradual cooling, hinting at the approaching fall while still offering plenty of sunny days to enjoy before the chill of October sets in.

September Weather in Royal Leamington Spa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Royal Leamington Spa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404245485460646358524643
Data source: Temperature data for Royal Leamington Spa 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 Royal Leamington Spa

In September, Royal Leamington Spa experiences a moderate precipitation total of 58 mm (2.3 in), falling slightly short of the heavier rainfall seen in the preceding summer months. With only 9 days of rainfall, this indicates a trend towards drier conditions as the region transitions into autumn. While September's precipitation is less pronounced than in the peak summer months, it remains substantial compared to the drier spring months, hinting at the typical variability of British weather. As the year progresses, October often brings increased rainfall, highlighting the shift from the lingering warmth of summer to the cooler, wetter autumn months. Overall, September's weather serves as a gentle reminder of the impending change in seasons, balancing the lushness of summer with the crispness of fall.

September Precipitation Trends in Royal Leamington Spa

The chart displays monthly precipitation patterns in Royal Leamington Spa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec535465416674737558896482
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Royal Leamington Spa

As summer transitions into autumn, September brings a notable shift in humidity levels in Royal Leamington Spa, United Kingdom. With an average humidity of 85%, September marks a slight increase from the drier summer months of July and August, where humidity dipped to 76% and 77%, respectively. This uptick hints at the impending cooler and wetter conditions characteristic of autumn. Interestingly, September's humidity is still lower than the peak levels experienced in the winter months, where humidity typically hovers around 90%. Overall, the trend indicates a gradual rise in moisture as the year progresses, setting the stage for the lush landscapes of fall.

September Average Humidity in Royal Leamington Spa

This chart illustrates the average monthly humidity levels in Royal Leamington Spa, 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 Royal Leamington Spa

In September, Royal Leamington Spa experiences a moderate UV Index of 5, indicating a shift towards safer sun exposure as summer wanes. This month typically allows for a burn time of 30 minutes—a reminder that while the peak intensities of summer fade, the sun can still pose risks. This trend reflects a gradual decrease from the previous months, where the UV Index soared to 8 in July and June, suggesting that while early summer brings higher levels of UV radiation, September offers a more manageable, yet still cautious, sun experience. To learn more and stay protected, visit Royal Leamington Spa UV Index.

Maximum UV Index Levels in Royal Leamington Spa for September

The chart shows the monthly maximum UV Index (UVI) for Royal Leamington Spa 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: Royal Leamington Spa 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 Royal Leamington Spa

In September, Royal Leamington Spa basks in a serene transition as summer gracefully yields to autumn, enjoying an impressive 279 hours of sunshine. This delightful month follows a peak in bright days, with July and May leading the year with 381 and 375 hours respectively. While sunshine gradually decreases into October with only 221 hours, September stands as a vibrant reminder of summer's lingering warmth. Overall, the data reveals a clear trend of increasing sunshine from winter's low of 83 hours in January, peaking during the warmer months, and then tapering off as the year progresses. This pattern of fluctuating sunlight reflects the changing seasons, painting a picturesque backdrop for both locals and visitors to enjoy.

Monthly Sunshine Duration in Royal Leamington Spa: September Highlighted

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

Chance of Sun in Royal Leamington Spa During September

As summer transitions to autumn, the likelihood of sunny weather in Royal Leamington Spa in September stands at 28%, which is a modest increase compared to the cloudier months of August and June. This upswing in sunshine provides a delightful opportunity for locals and visitors alike to enjoy the beauty of the area as summer lingers. Notably, April boasts the highest chance of sun at 49%, highlighting a seasonal trend where spring often offers more reliable sunny spells than late summer. Overall, while September may not guarantee clear skies, the potential for sunshine remains a cherished aspect of the changing season.

Percentage of Sunny Days in September in Royal Leamington Spa

The chart illustrates the percentage of sunny days in Royal Leamington Spa 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 Royal Leamington Spa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%23%24%49%29%24%35%22%28%22%30%15%
Data source: Royal Leamington Spa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Royal Leamington Spa in September

As summer gracefully fades into autumn, September in Royal Leamington Spa witnesses a notable shift in daylight duration, offering around 12 hours of sunlight. This marks a gentle decline from the peak 16 hours enjoyed in the heart of summer, revealing a transition that brings shorter days as nature prepares for cooler months. Following the vibrant days of August, with its 14 hours of light, September serves as a bridge, gradually introducing the shorter daylight of October with just 10 hours. This rhythm of decreasing daylight not only signals a change in seasons but also invites the community to embrace the cozy, reflective moments that autumn offers.

Average Daylight Hours in Royal Leamington Spa for September

The chart illustrates the variation in daylight duration in Royal Leamington Spa 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 34m12h 36m10h 34m8h 45m7h 46m
Data source: Royal Leamington Spa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Royal Leamington Spa

As summer wanes and September settles into Royal Leamington Spa, the average wind speed gently drops to 3.5 m/s (8 mph), marking a transition into the cooler embrace of autumn. This subtler breeze is a delightful contrast to the more robust gusts of February, which peaks at 5.2 m/s (12 mph), and it follows a trend of gradually decreasing winds through the summer months. While July and August see light winds averaging around 3.0 m/s (7 mph) to 3.8 m/s (9 mph), September's breezy reprieve prepares residents for the brisker days ahead. Looking forward, October will introduce a slight uptick in wind speed at 4.8 m/s (11 mph), heralding a vibrant change in the landscape as autumn leaves begin to flutter. Through these shifting patterns, the winds of Royal Leamington Spa tell a story of a seasonal dance, blending the warmth of summer with the invigorating chill of fall.

Average September Wind Speed in Royal Leamington Spa

The chart displays monthly wind speed patterns in Royal Leamington Spa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.35.24.63.44.13.43.03.83.5 m/s4.84.14.7
Data source: Royal Leamington Spa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Royal Leamington Spa Compares to Other Months

The weather in Royal Leamington Spa 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 Royal Leamington Spa and find detailed weather information for every month.

September's weather offers a pleasant transition into autumn, with temperatures ranging from a cool 2°C (36°F) to a warm 29°C (85°F) and an average of 14°C (58°F). With 58 mm (2.3 inches) of precipitation spread across 9 days, the humidity is relatively high at 85%, creating a muggy atmosphere. In contrast, January presents much colder conditions, characterized by a minimum temperature of -5°C (24°F) and a maximum of 14°C (58°F), with an average temperature of just 5°C (41°F). Although precipitation levels remain similar at 53 mm (2.1 inches) over 10 days, the humidity rises slightly to 90%, adding to the chilly feel of the winter month. For a more detailed look at January's weather, visit Royal Leamington Spa weather in January.

September and February showcase stark contrasts in weather. September boasts a mild climate with temperatures ranging from a minimum of 2°C (36°F) to a comfortable average of 14°C (58°F) and a warm maximum of 29°C (85°F). It experiences approximately 58 mm (2.3 in) of precipitation over about 9 days, along with high humidity at 85%. In contrast, February brings chillier conditions, with temperatures dipping as low as -5°C (23°F) and averaging around 6°C (42°F), peaking at 18°C (64°F). The month sees slightly less precipitation at 54 mm (2.1 in) but over a greater number of days, around 12 days, accompanied by even higher humidity at 88%. For a closer look at the February climate specifics, visit Royal Leamington Spa weather in February.

September and March present contrasting weather patterns, with September generally offering warmer conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), with an average of 14°C (58°F) and relatively lower humidity at 85%. The month receives 58 mm (2.3 in) of precipitation over about 9 days. In comparison, March is characterized by cooler temperatures, featuring a minimum of -7°C (20°F) and a maximum of 21°C (70°F), with an average temperature of 7°C (45°F). Precipitation in March is slightly higher at 65 mm (2.6 in), occurring over 14 days, and maintaining a similar humidity level at 86%. For more specific details about the weather during this month, check out Royal Leamington Spa weather in March.

September and April offer distinctly different weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), with an average of 14°C (58°F). This month typically sees higher precipitation levels, with 58 mm (2.3 in) falling over 9 days and humidity around 85%. In contrast, April features cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 25°C (77°F) and an average temperature of 9°C (48°F). The precipitation in April is lower at 41 mm (1.6 in) over the same number of days, with humidity slightly lower at 84%. For more specific details, you can check the Royal Leamington Spa weather in April.

When comparing the weather in September and May, we find notable differences in temperatures and precipitation. September experiences a wider range of temperatures with a minimum of 2°C (36°F) and a maximum of 29°C (85°F), resulting in a comfortable average of 14°C (58°F). In contrast, May has slightly cooler overall temperatures, ranging from a minimum of 0°C (31°F) to a maximum of 26°C (79°F), with an average temperature of 12°C (54°F). Precipitation in September totals 58 mm (2.3 in) over 9 days, while May has a marginally higher total of 66 mm (2.6 in) spread across 11 days. Humidity levels in both months are relatively high, at 85% in September and 80% in May. For more detailed insights, check out Royal Leamington Spa weather in May.

In comparing the weather of September and June, September tends to have a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 29°C (85°F). The average temperature is slightly higher in June at 16°C (61°F), with max temperatures peaking at 30°C (87°F). Precipitation is also more prominent in June, with 74 mm (2.9 in) recorded over 11 days compared to September's 58 mm (2.3 in) over just 9 days. Although September experiences higher humidity levels at 85%, June is not far behind at 81%. For more detailed insights on June weather, you can visit Royal Leamington Spa weather in June.

In comparing the weather between July and September, one can see distinct differences in temperature and precipitation levels. July typically experiences higher temperatures, with a minimum of 7°C (44°F) and a maximum of 35°C (96°F), leading to an average temperature of 18°C (64°F). In contrast, September cools down significantly, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F) and an average of 14°C (58°F).

Additionally, July sees more days of precipitation (11 days) compared to September's 9 days, although the total rainfall in July (73 mm or 2.9 in) is slightly higher than in September (58 mm or 2.3 in). Humidity levels also differ, with July at 76% and September rising to 85%. For detailed information on July weather, visit Royal Leamington Spa weather in July.

In comparing the weather of September and August, September is noticeably cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), compared to August's minimum of 8°C (46°F) and maximum of 33°C (92°F). Additionally, September experiences less precipitation overall, totaling 58 mm (2.3 in) across 9 days, while August sees more rain, with 75 mm (2.9 in) over 13 days. Humidity levels are higher in September at 85%, compared to the 77% observed in August. For a detailed look at August weather in this area, you can refer to Royal Leamington Spa weather in August.

September and October present distinct weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), leading to an average temperature of 14°C (58°F). The month experiences approximately 58 mm (2.3 in) of precipitation over 9 days, with humidity at 85%. In contrast, October brings cooler conditions, with minimum temperatures dropping to 0°C (32°F) and an average of 11°C (52°F). The maximum temperature is also lower at 23°C (73°F), while precipitation increases to 89 mm (3.5 in) across 13 days, accompanied by a slight rise in humidity to 90%. For more detailed insights, you can check Royal Leamington Spa weather in October.

In September, the weather is generally milder, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (85°F), averaging 14°C (58°F). This month also sees lower humidity levels at around 85% and less precipitation, totaling 58 mm (2.3 in) over approximately 9 days. In contrast, November brings a notable chill, with temperatures dropping to a minimum of -2°C (28°F) and averaging only 8°C (46°F), reaching a maximum of 17°C (63°F). The humidity rises to 92%, and precipitation increases slightly to 64 mm (2.5 in) over 12 days. For more detailed information, check out Royal Leamington Spa weather in November.

September weather in Royal Leamington Spa is marked by milder temperatures, with a minimum of 2°C (36°F) and a maximum of 29°C (85°F), averaging around 14°C (58°F). During this month, the region experiences about 58 mm (2.3 in) of precipitation over approximately 9 days, with humidity levels at 85%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -7°C (20°F) and peaking at 14°C (58°F), resulting in an average of 6°C (43°F). This winter month sees increased precipitation at 82 mm (3.2 in) spread over 15 days and a higher humidity of 90%. For more detailed insights on the December weather, visit Royal Leamington Spa weather in December.

Compare Royal Leamington Spa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Royal Leamington Spa

As September rolls into Royal Leamington Spa, the weather begins to shift, presenting a delightful mix of late-summer warmth and the crisp hints of autumn. With maximum temperatures occasionally peaking at a balmy 29°C (85°F), it’s a pleasant time to enjoy outdoor activities. However, the average temperature hovers around a refreshing 14°C (58°F), showcasing a notable contrast to the hotter summer months. Expect slightly more rainfall, with 58 mm (2.3 in) over 9 days, and a noticeable rise in humidity at 85%, making it feel quite different from the drier, warmer conditions of July and August. For a deeper understanding of what to expect throughout the year, check out the Royal Leamington Spa Climate.