September Weather in Old Sarum, United Kingdom

Last updated: March 17, 2025

In September, Old Sarum, United Kingdom, experiences a diverse range of weather that beautifully blends mildness with the onset of autumn. The maximum temperature reaches a pleasant 28°C (82°F), providing warm days, while the average temperature settles at a comfortable 15°C (59°F). Nights can dip as low as 3°C (37°F), giving a refreshingly cool respite. With 47 mm (1.9 in) of rain spread over 9 days, the month brings its fair share of precipitation, contributing to the lush greenery characteristic of the region. The humidity level sits at a notable 82%, enhancing the distinct feel of early fall in this historic locale.

September Temperature in Old Sarum

As summer gracefully transitions into autumn, Old Sarum experiences a distinct shift in temperatures during September. With minimum temperatures hovering around 3°C (37°F) and a pleasing average of 15°C (59°F), the month remains relatively mild. The days can feel particularly warm, with maximum temperatures climbing to 28°C (82°F), offering a delightful contrast to the cooler mornings. This blend of cool and comfortable weather signals the tail end of summer, inviting both locals and visitors to enjoy the vibrant landscapes before the chill of autumn fully sets in.

September Weather in Old Sarum: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Old Sarum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424346495561646359534745
Data source: Temperature data for Old Sarum 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 Old Sarum

September in Old Sarum, United Kingdom, witnesses a notable tranquility in precipitation as the month brings an average of 47 mm (1.9 in) of rainfall over 9 days. This marks a decrease from the wetter months of summer, particularly August, which recorded a heftier 71 mm (2.8 in) across 12 days. The transition into autumn is evident, as September's rainfall is less turbulent compared to the preceding months, hinting at the drier conditions that are typically expected before the onset of October's much heavier precipitation, which averages 103 mm (4.1 in). Such trends underline the gradual shift in climate, where the lushness of late summer gives way to more sporadic showers, setting a serene yet refreshing tone for the changing season.

September Precipitation Trends in Old Sarum

The chart displays monthly precipitation patterns in Old Sarum, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5261674165795571471036494
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Old Sarum

In September, Old Sarum experiences a noticeable rise in humidity, averaging around 82%. This increase follows the warmer summer months, where humidity dipped to a low of 71% in July, before climbing again in August. As autumn approaches, the trend suggests a shift towards the wetter months ahead, as humidity levels in October soar back to 90%. The overall pattern indicates that while summer brings some reprieve from moisture, September acts as a gentle reminder of the impending chill, foreshadowing the consistently high humidity that characterizes the late fall and winter months.

September Average Humidity in Old Sarum

This chart illustrates the average monthly humidity levels in Old Sarum, 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 Old Sarum

As September arrives in Old Sarum, the UV Index stands at 6, indicating a high level of sun exposure and a burn time of 25 minutes for unprotected skin. This trend reflects a slight decline from the peak summer months, yet still necessitates caution when enjoying outdoor activities. Since May, when the UV Index reached its highest of 7 and 8 during the summer, there's been a gradual decrease, signaling the transition into autumn. However, even with the fading summer sun, it's essential to remain vigilant about UV exposure. For more detailed information on the UV levels throughout the year, explore the Old Sarum UV Index.

Maximum UV Index Levels in Old Sarum for September

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

As summer transitions into autumn, September in Old Sarum brings a delightful mix of sunshine with 287 hours of daylight—the tail end of a season often celebrated for its warmth and vibrant flora. This month showcases a significant yet graceful decline from the peak of 395 hours in July, hinting at the cozy embrace of fall. Compared to the earlier months, September's sunshine nourishes lingering outdoor activities and picturesque landscapes, creating a perfect backdrop for leisurely strolls through the historic sites. While the days grow shorter, the light remains generous, encouraging residents and visitors alike to savor the essence of late summer before the chill of October settles in, which averages only 233 hours.

Monthly Sunshine Duration in Old Sarum: September Highlighted

The September sunshine duration represents the total number of hours Old Sarum 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h138h193h316h384h373h395h354h287h233h141h108h
Data source: Old Sarum September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Old Sarum During September

In Old Sarum, UK, the likelihood of sunny weather in September stands at a modest 29%, reflecting a trend that sees a slight dip in sunshine as summer transitions into autumn. While the summer months typically exhibit higher chances of sunny days, September's figures align closely with those of June and August, suggesting that the lingering warmth doesn't necessarily guarantee bright skies. As the year progresses, the optimism of sunshine steadily wanes, with monthly averages fluctuating, underscoring the unpredictability of the British weather. As such, while a sunny September day is certainly possible, it's wise to prepare for the ever-changing conditions that often accompany this time of year.

Percentage of Sunny Days in September in Old Sarum

The chart illustrates the percentage of sunny days in Old Sarum 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 Old Sarum experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%33%55%36%29%38%28%30%26%33%21%
Data source: Old Sarum September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Old Sarum in September

As summer fades into autumn in Old Sarum, the September daylight duration offers a gentle transition, with approximately 12 hours of daylight. Following the sun-soaked days of June and July, which enjoyed a generous 16 and 15 hours respectively, September marks a noticeable step down in brightness. This month sees the daylight hours begin to decrease more noticeably, setting the stage for the shorter days ahead. With scenes adorned in early autumn hues and a crispness in the air, September serves as a reminder of the changing seasons, bridging the vibrant energy of summer with the tranquil calm of fall. As daylight gradually dwindles, it beckons a time for reflection and preparation for the cozy months ahead.

Average Daylight Hours in Old Sarum for September

The chart illustrates the variation in daylight duration in Old Sarum throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 27m10h11h 55m13h 52m15h 34m16h 27m15h 59m14h 27m12h 34m10h 38m8h 53m7h 58m
Data source: Old Sarum daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Old Sarum

As autumn settles in, September winds in Old Sarum exhibit a gentle caress, averaging around 3.6 m/s (8 mph). This slight dip in wind speed reflects a tranquil shift from the increasingly breezy summer months, with July and August peaking at both 3.5 m/s and 3.9 m/s respectively. Historically, September's winds are softer compared to the sharper gusts of early spring; the average speed indicates a calming trend as nature prepares for the forthcoming chill of winter. This transition serves as a serene reminder of the seasonal ebb and flow, where winds whisper sweetly through the ancient landscapes, inviting both reflection and exploration. With the breeze becoming a mere whisper, it sets the stage for cozy evenings and golden sunsets as the days shorten.

Average September Wind Speed in Old Sarum

The chart displays monthly wind speed patterns in Old Sarum, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.75.34.63.54.53.23.53.93.6 m/s4.53.94.7
Data source: Old Sarum September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Old Sarum Compares to Other Months

The weather in Old Sarum 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 Old Sarum and find detailed weather information for every month.

In September, temperatures are generally milder, with a minimum of 3°C (37°F) and an average of 15°C (59°F), reaching a maximum of 28°C (82°F). This month experiences approximately 47 mm (1.9 in) of precipitation over 9 days, with humidity around 82%. In contrast, January brings much cooler conditions, with a minimum temperature dropping to -3°C (27°F), an average of just 5°C (42°F), and a maximum of 14°C (57°F). While January sees slightly more precipitation at 52 mm (2.0 in) over the same number of days, humidity rises to 91%, contributing to a colder and damp atmosphere. For more details, visit Old Sarum weather in January.

September and February present contrasting weather patterns, with September enjoying warmer temperatures and sunny days. In September, temperatures range from a cool 3°C (37°F) at night to a pleasant average of 15°C (59°F) during the day, peaking at 28°C (82°F). This month also sees 47 mm (1.9 in) of precipitation over approximately 9 days, coupled with a humidity level of 82%. In contrast, February is much chillier, with temperatures dipping as low as -6°C (22°F) and averaging around 6°C (44°F), while the maximum does not exceed 16°C (62°F). Precipitation increases slightly to 61 mm (2.4 in) spread over about 12 days, with humidity peaking at 89%. For more details on February weather conditions, you can refer to Old Sarum weather in February.

When comparing the weather in September and March, noticeable differences emerge. September experiences milder temperatures, with an average of 15°C (59°F) and a maximum that can reach up to 28°C (82°F), making it feel more like summer. In contrast, March is considerably cooler, with an average temperature of 8°C (46°F) and minimums dipping down to -6°C (22°F). Precipitation levels are higher in March, totaling 67 mm (2.6 in) over 12 days compared to September's 47 mm (1.9 in) over 9 days. Humidity is slightly elevated in March at 86% compared to September's 82%. For a more detailed look at the weather patterns during this time, you can check Old Sarum weather in March.

In September, the weather is generally warmer, with average temperatures ranging from a chilly 3°C (37°F) to a pleasant high of 28°C (82°F), and a moderate humidity level of 82%. The month sees about 47 mm (1.9 in) of rainfall over approximately 9 days. In contrast, April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 24°C (76°F), making the average around 9°C (49°F). April also has slightly less precipitation, totaling 41 mm (1.6 in), spread over 7 days and a humidity of 85%. For more details on how the weather unfolds in April, you can visit Old Sarum weather in April.

In comparing the weather between September and May, we see some distinct differences. September tends to have a broader temperature range, with a minimum of 3°C (37°F) and a maximum of 28°C (82°F), averaging 15°C (59°F). While it experiences less rainfall than May, with 47 mm (1.9 in) over 9 days, it still has a relatively high humidity level of 82%. In contrast, May has slightly cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 25°C (77°F), averaging 13°C (55°F). It sees more precipitation at 65 mm (2.6 in) over 11 days but maintains a lower humidity level of 79%. For more detailed information on Old Sarum weather in May, readers can explore the specifics of the month.

September and June exhibit distinct weather patterns, with September showcasing a wider temperature range, where nighttime lows can drop to 3°C (37°F), contrasted with June's minimum of 6°C (43°F). The average temperature in September reaches 15°C (59°F), while June boasts a slightly warmer average of 16°C (61°F). In terms of maximum temperatures, both months are comparable, with September peaking at 28°C (82°F) and June slightly higher at 30°C (86°F). However, June experiences more precipitation at 79 mm (3.1 in) over 10 days, compared to September's 47 mm (1.9 in) across 9 days, making June a generally wetter month. Humidity levels are similar, with September slightly higher at 82% compared to June’s 80%. For more detailed information, you can check Old Sarum weather in June.

In September, the weather tends to be cooler and more variable compared to the warm days of July. With minimum temperatures dropping to 3°C (37°F) and an average of 15°C (59°F), September feels notably chillier, especially when compared to July's minimum of 7°C (46°F) and average of 18°C (65°F). While July enjoys a warmer maximum of 30°C (87°F), September peaks at a comfortable 28°C (82°F). Precipitation is slightly lower in September at 47 mm (1.9 in) over 9 days, compared to July's 55 mm (2.1 in) over 10 days. Additionally, the humidity in September is higher at 82%, versus July's 71%, contributing to a distinct sense of freshness in the early autumn air. For a more detailed look, you can check out Old Sarum weather in July.

In comparing the weather between September and August, September generally sees cooler temperatures with a minimum of 3°C (37°F) and an average of 15°C (59°F), while August is warmer with a minimum of 7°C (45°F) and an average of 17°C (63°F). The maximum temperatures also reflect this trend, with September reaching 28°C (82°F) compared to August's peak of 31°C (88°F). Additionally, September experiences less precipitation at 47 mm (1.9 in) over 9 days, in contrast to August's 71 mm (2.8 in) over 12 days. Interestingly, September's humidity is slightly higher at 82%, compared to August's 76%. For more detailed information on August weather, you can check Old Sarum weather in August.

In September, temperatures ranged from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). The month experienced a total precipitation of 47 mm (1.9 in) over 9 days, with humidity levels around 82%. In contrast, October brings a noticeable drop in temperature, with a minimum of 0°C (32°F) and an average of 12°C (54°F), while the maximum reaches only 21°C (71°F). Rainfall increases significantly to 103 mm (4.1 in), spread over 13 days, and humidity rises to 90%. This shift indicates a transition to more autumn-like conditions in October. For more detailed insights on October weather, you can refer to Old Sarum weather in October.

In September, temperatures range from a cool 3°C (37°F) at night to a pleasant 28°C (82°F) during the day, with an average of 15°C (59°F). This month typically experiences around 47 mm (1.9 in) of precipitation over 9 days, while humidity levels hover at 82%. In contrast, November brings a noticeable drop in temperatures, with minima reaching -2°C (29°F) and a maximum of 16°C (61°F), averaging just 8°C (47°F). Precipitation increases to 64 mm (2.5 in) across 11 days, accompanied by higher humidity at 92%. For a detailed look at November weather patterns, you can visit Old Sarum weather in November.

September and December present notably different weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). The month sees around 47 mm (1.9 in) of precipitation over approximately 9 days, accompanied by high humidity at 82%. In contrast, December experiences colder conditions, with temperatures dipping down to a minimum of -3°C (27°F) and only reaching a maximum of 14°C (58°F), resulting in a lower average of 7°C (45°F). Precipitation increases significantly to 94 mm (3.7 in) across 13 days, and humidity rises to 92%. For more detailed weather information, check out Old Sarum weather in December.

Compare Old Sarum's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Old Sarum

As summer winds down, September in Old Sarum marks a transition to cooler weather, bringing a delightful mix of warm days and crisp evenings. Temperatures show a notable fluctuation, with days often reaching the comfort of late summer, only to give way to the refreshing chill of autumn nights. With an average humidity of 82% and about nine days of precipitation, the month can feel a bit damp, reminding us of the changes ahead. This blend of warmth during the day and cooler air at night makes September uniquely charming, differing from the more stable summer months. For more insight into weather patterns throughout the year, explore Old Sarum Climate.