September Weather in Lydney, United Kingdom

Last updated: March 17, 2025

September in Lydney, United Kingdom, offers a mild and variable climate as summer transitions into autumn. The month features a maximum temperature reaching up to 29°C (85°F), while the average temperature settles around 15°C (59°F), allowing for comfortable yet crisp days. However, cool nights drop temperatures to a minimum of 3°C (39°F). Rainfall is a factor to consider, with a total precipitation amount of 51 mm (2.0 in) over 8 days, contributing to the region's lush scenery. With an average humidity of 79%, visitors can expect a blend of sunshine and occasional showers, making early autumn in Lydney both refreshing and enchanting.

September Temperature in Lydney

As September rolls into Lydney, the crispness of early autumn starts to take hold, with temperatures reflecting a notable shift from the summer's warmth. The month showcases a mild average temperature of 15°C (59°F), providing a comfortable backdrop for outdoor activities. Nighttime lows dip to around 3°C (39°F), signaling the cooling trend, while daytime highs can still reach a pleasant 29°C (85°F), allowing a lingering taste of summer. This transition marks a gentle decline from the peak summer months, where temperatures soared into the low 30s, but September's agreeable climate invites both locals and visitors to enjoy the vibrant fall foliage and seasonal festivities before the chill of autumn firmly establishes itself.

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

The chart illustrates September temperature patterns in Lydney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495461646258534644
Data source: Temperature data for Lydney 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 Lydney

In September, Lydney experiences a mild shift in precipitation, with an average of 51 mm (2.0 in) of rain falling over just 8 days. This marks a slight decrease from the wetter months of July and August, both averaging 72 mm (2.9 in), yet it remains consistently above the drier spring months like April, which recorded only 48 mm (1.9 in). The early autumn hints at the onset of heavier rainfall as October looms, typically bringing a significant uptick to 93 mm (3.6 in). Overall, September acts as a bridge between the lush summer and the impending autumnal downpours, with its moderate precipitation maintaining the verdant landscape Lydney is known for.

September Precipitation Trends in Lydney

The chart displays monthly precipitation patterns in Lydney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec506067497371617251936684
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lydney

In September, Lydney experiences a shift in humidity, with levels averaging around 79%. This marks a slight increase from the drier summer months of July and August, where humidity dipped to 70% and 73%, respectively. As autumn approaches, the air begins to retain more moisture, signaling a transition from the warm summer days to the cooler, wetter months ahead. Notably, humidity levels rise significantly in the fall, peaking again in October and November at 89% and 90%. This trend suggests that while September offers a brief respite with milder humidity, it is but a precursor to the more humid conditions typical of autumn in Lydney.

September Average Humidity in Lydney

This chart illustrates the average monthly humidity levels in Lydney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lydney

As September rolls into Lydney, the UV Index shows a slight decline to 6, placing it in the high exposure category. This decrease from the peak summer months signals a transition towards milder sun conditions, yet it remains essential to prioritize skin protection. With a burn time of just 25 minutes, individuals enjoying outdoor activities should still be mindful of their sun exposure. The trend throughout the year reveals a clear progression: starting at low levels in winter, the UV Index rises sharply during summer before tapering off in the fall. Awareness of these fluctuations is crucial for maintaining skin health year-round. For more insights on UV exposure in Lydney, check the detailed Lydney UV Index.

Maximum UV Index Levels in Lydney for September

The chart shows the monthly maximum UV Index (UVI) for Lydney 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Lydney 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 Lydney

In Lydney, United Kingdom, September marks a gentle transition from the sun-drenched days of summer to the cooler embrace of autumn. With an impressive 284 hours of sunshine, it reflects a delightful abundance, standing as the third-highest month of the year, just behind July and August. This slight decline from the peak summer months is a reminder of the shifting seasons, as daylight begins to wane. However, September retains a warmth that lingers, offering a final taste of summer's brightness before the gray of autumn settles in. As such, it's a perfect time for outdoor enthusiasts to revel in nature's beauty while basking in the golden September light.

Monthly Sunshine Duration in Lydney: September Highlighted

The September sunshine duration represents the total number of hours Lydney 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.
JanFebMarAprMayJunJulAugSepOctNovDec89h142h194h308h381h364h395h347h284h231h131h108h
Data source: Lydney September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lydney During September

In September, Lydney experiences a 26% chance of sunny weather, a trend that reflects a moderate level of sunshine as summer transitions into autumn. This percentage aligns with the sunniest months of the year, such as June and August, indicating that while September may not boast peak sunshine, it's slightly sunnier than the chillier autumn months ahead. Following the vibrant sunny spells of July and August, this transitional month captures the tail end of summer warmth, making it a delightful time for outdoor activities before the heavier rains of autumn set in. Overall, while September may not be the sunniest month, it still offers a fair opportunity for enjoying those precious sun-filled moments.

Percentage of Sunny Days in September in Lydney

The chart illustrates the percentage of sunny days in Lydney 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 Lydney experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%21%27%50%33%26%38%26%26%23%32%19%
Data source: Lydney September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lydney in September

As September unfolds in Lydney, the daylight begins to wane, offering a gentle transition from the vibrant summer months to the cozy embrace of autumn. With approximately 12 hours of daylight, this month marks a noticeable shift from the peak of summer, which basked in an impressive 16 hours of sunlight during June and July. The gradual decline continues as daylight descends into October's 10 hours, but September still offers ample time for outdoor adventures and enjoying the lingering warmth. This balance of light and shadow invites a reflective pause, as nature begins to prepare for the chillier days ahead while still clinging to the remnants of summer's brightness.

Average Daylight Hours in Lydney for September

The chart illustrates the variation in daylight duration in Lydney throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 55m13h 54m15h 39m16h 33m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m
Data source: Lydney daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lydney

As September arrives in Lydney, United Kingdom, the average wind speed dips to 3.1 m/s (7 mph), marking one of the lower points in the annual cycle. This gentle breeze reflects a transition from the slightly brisker winds of early summer to the more invigorating gusts of autumn, which pick up again by October. The month’s winds are softer compared to the highs of late winter and spring, suggesting a tranquil period before nature’s shift toward the bolder, more dynamic winds of fall. Overall, September’s calm breezes invite a peaceful end to summer, wrapping the season in a light, refreshing touch.

Average September Wind Speed in Lydney

The chart displays monthly wind speed patterns in Lydney, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.15.14.33.24.03.23.03.63.1 m/s4.43.64.4
Data source: Lydney September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lydney Compares to Other Months

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

In September, the weather is generally milder with temperatures ranging from a minimum of 3°C (39°F) to a maximum of 29°C (85°F), averaging around 15°C (59°F). The month sees about 51 mm (2.0 in) of precipitation over 8 days and experiences a humidity level of 79%. In contrast, January brings much colder temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (57°F), averaging just 5°C (41°F). This month has similar precipitation levels at 50 mm (2.0 in) but over one more day, totaling 9 days of rain, accompanied by higher humidity at 88%. For a more detailed look at the January weather, you can check Lydney weather in January.

September and February present contrasting weather conditions. In September, temperatures typically range from a mild 3°C (39°F) to a comfortable average of 15°C (59°F), with occasional highs reaching 29°C (85°F). The month sees about 51 mm (2.0 in) of precipitation across 8 days, accompanied by a humidity level of 79%. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), only peaking at 18°C (65°F). This month receives slightly higher precipitation at 60 mm (2.4 in) spread over 12 days, and humidity levels rise to 88%. For more details on February weather, you can visit Lydney weather in February.

In comparing the weather of September and March, we observe marked differences in temperature and precipitation patterns. September features a more temperate climate, with an average temperature of 15°C (59°F) and a maximum of 29°C (85°F), while March is chillier, averaging only 7°C (46°F) with maximums reaching 21°C (70°F). Precipitation is slightly higher in March, totaling 67 mm over 14 days compared to September’s 51 mm over 8 days. Additionally, humidity levels are more pronounced in March at 86% versus 79% in September. For more detailed insights, you can check Lydney weather in March.

September and April exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 3°C (39°F) to a maximum of 29°C (85°F), with an average of 15°C (59°F) and a humidity level of 79%. The month experiences about 51 mm (2.0 in) of precipitation over 8 days. In contrast, April sees cooler temperatures, with a minimum of -3°C (27°F), a maximum of 23°C (74°F), and an average of 9°C (49°F). Precipitation is slightly lower at 48 mm (1.9 in), also spread over 8 days, but humidity is marginally higher at 84%. For more detailed insights on the weather, you can check Lydney weather in April.

When comparing the weather in September and May, September typically features a wider temperature range, with minimums around 3°C (39°F), average highs of 15°C (59°F), and peak temperatures reaching up to 29°C (85°F). In contrast, May presents milder conditions, with minimum temperatures dropping to 0°C (33°F) and an average max of 26°C (80°F). Both months experience a fair amount of precipitation, with May receiving 72 mm (2.9 in) over 11 days and September slightly less at 51 mm (2.0 in) across 8 days. Humidity levels remain similar in both months, hovering at around 79-80%. For a more exhaustive look at May weather, check out Lydney weather in May.

In comparing the weather of September and June, we notice some interesting contrasts. September typically features a minimum temperature of 3°C (39°F) and an average of 15°C (59°F), while June starts with slightly warmer temperatures, featuring a minimum of 6°C (43°F) and an average of 16°C (61°F). The maximum temperature in June can reach up to 31°C (87°F), surpassing September's maximum of 29°C (85°F). Additionally, June experiences more precipitation, averaging 71 mm (2.8 in) over 11 days, compared to September's 51 mm (2.0 in) across 8 days. This slight increase in humidity is observable in both months, with June at 80% and September at 79%. For more details on June weather specifics, you can visit Lydney weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation. September experiences a broader temperature range, with a minimum of 3°C (39°F) and a maximum of 29°C (85°F), leading to an average of 15°C (59°F). In contrast, July is warmer, with minimum temperatures around 7°C (46°F), peak temperatures reaching 31°C (88°F), and an average of 18°C (65°F). Precipitation levels are slightly higher in July, with 61 mm (2.4 in) over roughly 10 days, compared to September's 51 mm (2.0 in) over 8 days. Additionally, humidity is also more prevalent in September at 79%, while July has a lower humidity level of 70%. For a detailed look at July weather, visit Lydney weather in July.

When comparing the weather in September to August, there are noticeable differences in temperature and precipitation. September tends to be cooler, with a minimum temperature of 3°C (39°F) compared to August's 7°C (45°F). The average temperature also drops from 17°C (63°F) in August to 15°C (59°F) in September, while the maximum temperature decreases from 32°C (90°F) in August to 29°C (85°F) in September. Precipitation levels are lower in September, totaling 51 mm (2.0 in) over 8 days, compared to 72 mm (2.9 in) over 12 days in August. Interestingly, September experiences slightly higher humidity at 79%, while August has a humidity level of 73%. For more insights into August weather, visit Lydney weather in August.

In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 3°C (39°F) to a maximum of 29°C (85°F) and a comfortable average of 15°C (59°F). Rainfall is relatively moderate with 51 mm (2.0 in) over about 8 days, and humidity levels sit around 79%. In contrast, October brings cooler temperatures, with lows dropping to -1°C (31°F) and highs reaching a maximum of 23°C (74°F), averaging 12°C (53°F). The month experiences increased precipitation, totaling 93 mm (3.6 in) over 13 days, and higher humidity at 89%. For more detailed information about the weather in October, you can check out Lydney weather in October.

In September, the weather remains relatively warm, with temperatures ranging from a cool 3°C (39°F) at night to a pleasant maximum of 29°C (85°F) during the day, accompanied by an average temperature of 15°C (59°F). The month sees around 51 mm (2.0 in) of precipitation over approximately 8 days, with humidity levels around 79%.

In contrast, November ushers in a noticeable chill, with temperatures dipping as low as -2°C (28°F) at night and averaging only 8°C (47°F) during the day, peaking at 17°C (62°F). Precipitation also increases to 66 mm (2.6 in) spread over 13 days, while humidity rises to 90%. For more specifics about the weather in November, you can visit Lydney weather in November.

September and December present a striking contrast in weather conditions. September enjoys milder temperatures, with a minimum of 3°C (39°F) and an average high reaching 29°C (85°F), making it a pleasant month with an average humidity of 79% and relatively less precipitation at 51 mm over 8 days. In contrast, December experiences a significant drop in temperature, averaging around 7°C (44°F) with maximums only reaching 14°C (58°F) and a chilling minimum of -7°C (19°F). The level of precipitation increases to 84 mm spread across 14 days, coupled with higher humidity at 89%. For a more detailed understanding of December weather conditions, you can check Lydney weather in December.

Compare Lydney's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lydney

In September, Lydney experiences a delightful transition as summer gives way to autumn, marked by warmer days and cooler nights. With temperatures averaging around 15°C, it strikes a balance that makes outdoor activities enjoyable, though the cooler minimums can be a reminder that fall is approaching. Unlike the often rainy days of earlier months, September features just a sprinkle of precipitation, with the occasional shower adding to the lush landscape. Humidity remains relatively high, enhancing that refreshing feel in the air. To learn more about how Lydney's weather patterns shift through the year, visit Lydney Climate.