September Weather in Penrith, United Kingdom

Last updated: March 17, 2025

Penrith, United Kingdom, experiences a dynamic weather pattern in September, characterized by a maximum temperature peaking at 26°C (80°F) and an average of 12°C (54°F), dipping to a chilly 1°C (35°F) at night. This month typically sees 99 mm (3.9 in) of rain over about 15 days, contributing to the region's lush landscapes. Visitors should prepare for high humidity levels at 88%, which can make the air feel warmer than it is, enhancing the overall experience of the beautiful autumn scenery.

September Temperature in Penrith

In September, Penrith, United Kingdom, begins to transition from the warmth of summer to the cooler embrace of autumn. Temperatures dip slightly, with minimums averaging around 1°C (35°F), while the average temperature hovers at a comfortable 12°C (54°F). Daytime highs remain pleasant, reaching up to 26°C (80°F), providing a delightful end to the warmer months. As the month progresses, the landscape showcases the early hints of fall, with crisp mornings and balmy afternoons, marking a shift in both temperature and scenery. This blend of mild weather sets the stage for the changing seasons, inviting residents and visitors alike to enjoy the beauty of Penrith during this transitional period.

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

The chart illustrates September temperature patterns in Penrith, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec383941455056595854494340
Data source: Temperature data for Penrith 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 Penrith

In September, Penrith experiences a transition towards autumn, reflected in its precipitation totals. With an average of 99 mm (3.9 inches) over 15 days, the month sees a noticeable pattern of rainfall that balances comfortably between the wetter months of summer and the higher precipitation expected in October. This amount is slightly below the peak of August but remains significant, mirroring the persistent wet weather typical for the region. As the days shorten, the sporadic showers create a lush backdrop for the changing landscapes, reminding residents and visitors alike that the charm of Penrith is often wrapped in a misty embrace.

September Precipitation Trends in Penrith

The chart displays monthly precipitation patterns in Penrith, 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.
JanFebMarAprMayJunJulAugSepOctNovDec831261104766104951219913090107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Penrith

In September, the humidity in Penrith experiences a slight uptick, reaching 88%. This increase follows a summer characterized by relatively stable humidity levels, hovering around 82% in both July and August. As autumn approaches, Penrith's humidity begins to rise, reminiscent of the early months of the year when figures peaked at 90% in January and 92% in November. Overall, the trend indicates a gradual increase in humidity as the year progresses towards the colder months, highlighting the region's characteristic dampness, especially as it transitions from late summer into the heart of autumn.

September Average Humidity in Penrith

This chart illustrates the average monthly humidity levels in Penrith, 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%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Penrith

As September rolls in Penrith, the UV Index begins to shift, settling at 5, which falls into the moderate exposure category. This marks a noticeable decrease from the peak summer months of June and July, where the index reached a striking 8, indicating very high levels of UV radiation. In contrast, the burn time during September extends back to 30 minutes, allowing for more leisurely outdoor activities while still necessitating some sun protection. As the season transitions, it's essential to stay aware of these changing UV levels, especially as we move towards the cooler months ahead. For more detailed insights, visit Penrith UV Index.

Maximum UV Index Levels in Penrith for September

The chart shows the monthly maximum UV Index (UVI) for Penrith 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.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Penrith 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 Penrith

As September unfolds in Penrith, the sun continues to shine brightly, contributing a commendable 301 hours of sunshine to the month. This marks a slight decline from the vibrant summer months, with July peaking at 413 hours. As we transition from the warmth of summer to the cooler autumn, September offers a remarkable blend of sunny days, outshining October, which averages just 230 hours. The gradual reduction in sunlight from the vibrant spring and summer months is evident, yet September still stands out as a delightful time in Penrith, allowing for outdoor enjoyment before the darker days set in. With September's ample sunshine, residents and visitors alike can bask in the warmth, embracing the beauty of nature as it subtly shifts toward the seasonal changes ahead.

Monthly Sunshine Duration in Penrith: September Highlighted

The September sunshine duration represents the total number of hours Penrith 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h146h216h340h408h385h413h360h301h230h124h92h
Data source: Penrith September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Penrith During September

In Penrith, United Kingdom, the likelihood of sunny weather in September is relatively low, with only a 16% chance of sunshine. This marks a decline from the warmer months of April and July, which enjoy notably higher probabilities of clear skies at 48% and 33%, respectively. As the year progresses towards autumn, the trend indicates a decrease in sunny days, with September reflecting a similarity to October and an even lower prospect than May and February. Such patterns suggest that while September can provide pleasant days, it's not the most reliable month for basking in the sun, making it essential for visitors to pack for varying weather conditions.

Percentage of Sunny Days in September in Penrith

The chart illustrates the percentage of sunny days in Penrith 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 Penrith experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%22%21%48%27%20%33%19%16%16%23%12%
Data source: Penrith September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Penrith in September

As summer fades into autumn, September in Penrith, United Kingdom, showcases a gentle transition in daylight, offering approximately 12 hours of bright skies. This month marks a notable decline from the sun-soaked 17 hours of daylight experienced in June, gradually narrowing as the year progresses towards winter. September's daylight is still significantly more than the earlier months—7 hours in January—and provides a splendid opportunity to relish the lingering warmth of early autumn. As the leaves begin to change, the daylight offers a balance, blending the vibrancy of summer's end with the serene approach of fall, setting the stage for the cozy months ahead.

Average Daylight Hours in Penrith for September

The chart illustrates the variation in daylight duration in Penrith throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 54m9h 42m11h 54m14h 8m16h 7m17h 10m16h 36m14h 48m12h 38m10h 25m8h 25m7h 19m
Data source: Penrith daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Penrith

As September rolls in, Penrith experiences a gentle shift in its winds, with an average speed of 3.0 m/s (7 mph). This stabilizing breeze feels like a comforting embrace, sitting comfortably between the lighter gusts of summer and the brisk winds that herald autumn's arrival. Notably, September maintains the same wind speed as May and June, creating a serene atmosphere perfect for outdoor activities. As temperatures begin to cool and daylight wanes, residents may notice an uplifting freshness in the air, a precursor to the more robust gusts that come with October's arrival. Overall, the transition into fall showcases an inviting mix of calm and anticipation, where the whispering winds of September invite reflection before the seasonal changes take hold.

Average September Wind Speed in Penrith

The chart displays monthly wind speed patterns in Penrith, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.14.94.12.73.03.02.22.93.0 m/s4.43.93.5
Data source: Penrith September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Penrith Compares to Other Months

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

In September, temperatures generally range from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), with an average temperature of 12°C (54°F). The month experiences substantial precipitation, totaling 99 mm (3.9 in) over about 15 days, and is characterized by high humidity at 88%. In contrast, January presents much colder weather, with temperatures dropping to a minimum of -9°C (16°F) and peaking at 13°C (55°F), averaging around 4°C (39°F). This month sees slightly less rainfall, with 83 mm (3.2 in) over approximately 12 days, and a marginally higher humidity level of 90%. For more detailed insights on January weather, you can check Penrith weather in January.

In September, the weather in Penrith is generally milder, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (80°F) and an average of 12°C (54°F). The month sees a total precipitation of 99 mm (3.9 in) over about 15 days, accompanied by a high humidity of 88%. In contrast, February experiences chillier conditions, with temperatures varying from -9°C (15°F) to 17°C (62°F), averaging around 4°C (40°F). This month is also wetter, with 126 mm (5.0 in) of precipitation across roughly 17 days, while humidity remains consistent at 88%. For more detailed insights, you can check Penrith weather in February.

When comparing the weather of September and March, we notice distinct differences in temperature and precipitation patterns. September boasts a wider temperature range with a minimum of 1°C and a maximum of 26°C, averaging around 12°C, while March has a cooler minimum of -6°C and a maximum of 17°C, averaging only 5°C. Despite September being the tail-end of summer, it experiences significant humidity at 88%, close to March's 86%. Precipitation is comparable in both months, with September recording 99 mm over 15 days and March slightly higher at 110 mm over 16 days. For a more detailed look at March weather, you can check out Penrith weather in March.

In comparing the weather between September and April, notable differences emerge. September boasts warmer temperatures, with a minimum of 1°C (35°F) and an average of 12°C (54°F), peaking at a maximum of 26°C (80°F). In contrast, April presents cooler conditions, with a minimum of -4°C (25°F) and an average of only 7°C (45°F), reaching a maximum of 22°C (71°F). Additionally, September experiences higher precipitation, with 99 mm (3.9 in) falling over 15 days, compared to April's 47 mm (1.8 in) over just 9 days. While both months maintain high humidity, September is slightly more humid at 88%, compared to April's 85%. For a detailed overview of April weather, visit Penrith weather in April.

Comparing the weather in September and May reveals some interesting contrasts. In September, temperatures range from a minimum of 1°C (35°F) to a pleasant maximum of 26°C (80°F), with an average of 12°C (54°F). This month also experiences higher precipitation, with 99 mm (3.9 in) falling over about 15 days, contributing to a humidity level of 88%. In contrast, May generally sees cooler conditions with temperatures starting at a minimum of -2°C (28°F) and peaking at 25°C (78°F), averaging around 10°C (51°F). May's precipitation is also lower at 66 mm (2.6 in) across about 14 days, accompanied by a slightly lower humidity of 80%. For more specific details about May weather in Penrith, you can explore Penrith weather in May.

In comparing September and June weather, both months show mild temperatures but with distinct characteristics. September offers a slightly wider temperature range, with a minimum of 1°C (35°F) and a maximum of 26°C (80°F), averaging at 12°C (54°F). In contrast, June starts a bit warmer, with minimum temperatures around 4°C (39°F) and a maximum reaching 27°C (81°F), averaging 13°C (56°F). Precipitation levels are similar, with September receiving about 99 mm (3.9 in) over 15 days, while June has a slightly higher precipitation of 104 mm (4.1 in) over 14 days. Humidity is higher in September at 88%, compared to June's 83%. For a more detailed look at the weather specifics, check out Penrith weather in June.

September weather in Penrith features a broader temperature range, with minimums dropping to 1°C (35°F) and maximums reaching 26°C (80°F), providing an average of 12°C (54°F). In contrast, July tends to be warmer overall, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F) and an average temperature of 15°C (59°F). Although both months experience a similar amount of precipitation, with September receiving 99 mm (3.9 in) over 15 days and July totaling 95 mm (3.7 in) over 16 days, September is characterized by higher humidity at 88% compared to July's 82%. For more detailed insights into July's weather, visit Penrith weather in July.

In comparing the weather between September and August, September sees a notable drop in minimum temperatures, with lows around 1°C (35°F) compared to 5°C (42°F) in August. The average temperatures are also slightly cooler in September at 12°C (54°F) versus 14°C (58°F) in August. However, September can reach a maximum of 26°C (80°F), which is just slightly lower than August's peak of 27°C (82°F). Rainfall is more frequent in September, occurring on 15 days with a total precipitation of 99 mm (3.9 in), while August records higher precipitation at 121 mm (4.8 in) over 19 days. Interestingly, the humidity in September is higher at 88% compared to 82% in August. For those interested in more details, you can check Penrith weather in August.

September and October showcase a distinct transition in weather patterns. In September, temperatures range from a mild 1°C (35°F) at night to a comfortable 26°C (80°F) during the day, with an average temperature of 12°C (54°F) and a total precipitation of 99 mm (3.9 in) spread across 15 days. Humidity in September sits at a relatively high 88%. In contrast, October sees a drop in average temperatures to 9°C (49°F), with daily highs reaching only up to 20°C (68°F) and nighttime lows plummeting to -4°C (25°F). The month is wetter, with 130 mm (5.1 in) of precipitation over 18 days, and humidity slightly increases to 90%. For more detailed insights on the weather, check out Penrith weather in October.

When comparing the weather in September and November, notable differences emerge. September typically enjoys milder temperatures, with average highs reaching 26°C (80°F) and pleasant conditions, while November sees a significant drop, with average highs around 13°C (56°F) and the potential for frost, as minimum temperatures can dip to -5°C (23°F). Both months experience considerable precipitation, with September recording 99 mm (3.9 in) over 15 days and November slightly lower at 90 mm (3.5 in) over 16 days. Additionally, November is characterized by slightly higher humidity levels, averaging 92% compared to September's 88%. For a detailed overview of November’s weather conditions, you can refer to Penrith weather in November.

In comparing the weather between September and December, September presents a milder climate with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (80°F), averaging around 12°C (54°F). The month experiences substantial rainfall, totaling 99 mm (3.9 in) over 15 days, accompanied by high humidity levels of 88%. By contrast, December brings significantly colder temperatures, with a minimum of -6°C (22°F) and a maximum of 12°C (54°F), averaging 4°C (40°F). Precipitation slightly increases to 107 mm (4.2 in) over 16 days, maintaining a high humidity of 89%. For more detailed information about December weather, visit Penrith weather in December.

Compare Penrith's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Penrith

As September unfolds in Penrith, the weather presents a captivating transition from the warmth of summer to the cooler embrace of autumn. With significant precipitation—occurring on nearly half the days of the month—this time of year feels lush and vibrant, contrasting with the drier months that precede it. The temperatures begin to cool, moving from pleasant highs to refreshing lows, marking a notable shift towards more temperate conditions. The high humidity also lends a distinct feel to the air, making it a unique experience compared to the mid-year months. For those intrigued by how these conditions shape the local landscape and lifestyle, more insights can be found at Penrith Climate.