September Weather in Grosmont, United Kingdom

Last updated: March 17, 2025

Experience the charming September weather in Grosmont, United Kingdom, where temperatures gracefully shift from a brisk 2°C (36°F) minimum to a pleasant 29°C (84°F) maximum. The average temperature hovers around a comfortable 14°C (58°F), making it an ideal time for outdoor exploration. While you might encounter some rain with 52 mm (2.1 in) of precipitation over 10 days, the invigorating humidity level of 79% adds a refreshing touch to the air. Immerse yourself in the captivating landscapes and vibrant atmosphere that September brings to this picturesque village.

September Temperature in Grosmont

In September, Grosmont experiences a mild transition from summer to autumn, with temperatures showing a notable decline from the previous months. The minimum temperature settles at a cool 2°C (36°F), while the average rises gently to about 14°C (58°F), providing a comfortable ambiance for outdoor activities. On warm days, temperatures can peak at a pleasant 29°C (84°F), making it ideal for enjoying the last bits of summer. Although the days gradually grow shorter and cooler, September retains a balance of warmth, inviting visitors to explore the picturesque landscapes before the chill of autumn sets in. Overall, this month marks a delightful shift, merging the lingering heat of summer with the crisp freshness that autumn brings.

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

The chart illustrates September temperature patterns in Grosmont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244485460636257524643
Data source: Temperature data for Grosmont 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 Grosmont

September in Grosmont, United Kingdom, showcases a transitional period in precipitation patterns as summer fades into autumn. With 52 mm (2.1 in) of rain over 10 days, September's rainfall mirrors the drier conditions of earlier months like April, while still maintaining a moderate level consistent with the summer's end. This slight dip in precipitation compared to the wetter October, which boasts 94 mm (3.7 in), highlights the shifting dynamics of weather as the region prepares for the more substantial rainfall of autumn. Overall, September serves as a gentle bridge—where the lingering warmth gives way to the crispness of fall, subtly influencing both weather and mood in this tranquil village.

September Precipitation Trends in Grosmont

The chart displays monthly precipitation patterns in Grosmont, 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.
JanFebMarAprMayJunJulAugSepOctNovDec526473517376617252947391
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grosmont

In September, Grosmont experiences a slight elevation in humidity, averaging 79%, as it transitions from the more temperate summer months. The summer's lower humidity levels, peaking at just 70% in July, give way to a gradual increase as autumn approaches. Compared to the preceding months of August's 73%, September's humidity signals a return to the more humid conditions of earlier months like May and June, which hovered around 80%. This pattern establishes a trend where humidity levels tend to rise steadily as the year progresses toward winter, culminating in the higher figures seen in the late autumn months of October and November, both at 89% and 90% respectively.

September Average Humidity in Grosmont

This chart illustrates the average monthly humidity levels in Grosmont, 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 Grosmont

As September rolls into Grosmont, the UV Index reflects a high level of sunlight intensity at 6, requiring a burn time of just 25 minutes. This marks a slight decrease from the peak summer months, where the Index reached its maximum of 8 in both June and July. The transition to autumn signifies a shift from the very high exposure of summer to a still notable, yet manageable, level of UV radiation. Interestingly, while the UV Index starts to fall, it remains notably higher than the early months of the year, showcasing a trend of increasing sun safety awareness as the seasons change. For a comprehensive understanding of UV levels throughout the year, check out Grosmont UV Index.

Maximum UV Index Levels in Grosmont for September

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

In September, Grosmont experiences a gentle transition as the sun continues to shine brightly, offering 277 hours of glorious daylight. While this marks a decline from the sunshine-soaked heights of July and May, which basked in nearly 390 hours, September retains a significant share of warm and vibrant days, making it a picturesque month for outdoor enthusiasts. The gradual decrease in daylight hours is a prelude to the cozy embrace of autumn, as the landscape shifts from lush summer greens to captivating autumn hues. This trend encapsulates the essence of Grosmont, where each month brings its own unique charm, inviting locals and visitors alike to savor the changing seasons.

Monthly Sunshine Duration in Grosmont: September Highlighted

The September sunshine duration represents the total number of hours Grosmont 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.
JanFebMarAprMayJunJulAugSepOctNovDec80h133h185h298h372h348h388h341h277h220h118h99h
Data source: Grosmont September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grosmont During September

In Grosmont, United Kingdom, the chance of sunny weather in September stands at 27%, which is a slight uptick compared to the summer months. While the sun's presence is more prevalent in April with a remarkable 50% chance, September marks the onset of autumn, ushering in cooler temperatures and diminishing daylight. Interestingly, this percentage also reflects a moderate pattern, falling in line with the lower percentages seen in the beginning of the year. Overall, while September may not boast the sunniest days, it still offers a pleasant respite before the full onset of fall, making it a charming time to explore the area's natural beauty.

Percentage of Sunny Days in September in Grosmont

The chart illustrates the percentage of sunny days in Grosmont 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 Grosmont experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%21%25%50%31%25%38%25%27%21%32%18%
Data source: Grosmont September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grosmont in September

As September unfolds in Grosmont, United Kingdom, daylight begins to wane, offering approximately 12 hours of sunshine each day. This marks a gradual transition from the long days of summer, where June and July bask in an abundance of 16 hours of daylight, to the shorter days that characterize autumn and winter. After the vibrant light of August, with its 14 hours, September serves as a gentle reminder of the changing seasons, as daylight reduces further in October to 10 hours. The trend clearly indicates the shifting dynamics of light throughout the year, capturing the essence of nature's rhythm and inviting residents to savor the remaining golden evenings before winter's embrace.

Average Daylight Hours in Grosmont for September

The chart illustrates the variation in daylight duration in Grosmont throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 19m9h 55m11h 54m13h 56m15h 43m16h 38m16h 9m14h 33m12h 35m10h 34m8h 46m7h 47m
Data source: Grosmont daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Grosmont

As September unfolds in Grosmont, the gentle breezes bring a slight drop in average wind speed to 2.9 m/s (7 mph), marking one of the calmest months of the year. This decline follows a modest trend seen through the summer, where the winds gradually lightened, peaking in May with a more invigorating 3.9 m/s (9 mph). As the seasons transition, Grosmont bids farewell to the warmer months, offering a tranquil atmosphere perfect for reflective strolls. Interestingly, September's winds set the stage for a resurgence in October, where gusts typically pick up again, hinting at the dynamic shifts that autumn brings. Such patterns not only shape the landscape but also evoke the charm of this picturesque village as it prepares for the brisk days ahead.

Average September Wind Speed in Grosmont

The chart displays monthly wind speed patterns in Grosmont, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.94.23.03.93.12.83.42.9 m/s4.33.64.3
Data source: Grosmont September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Grosmont Compares to Other Months

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

September typically enjoys a milder climate with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (84°F), averaging around 14°C (58°F). The month sees about 52 mm (2.1 in) of precipitation spread over 10 days, accompanied by moderate humidity of 79%. In contrast, January brings cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (57°F), averaging just 5°C (41°F). Despite similar precipitation levels of 52 mm (2.0 in) over the same number of days, January experiences higher humidity at 88%. For more specific insights into January weather in Grosmont, you can visit this link: Grosmont weather in January.

When comparing the weather in September and February, there are notable differences in temperature and precipitation. September tends to be warmer, with an average temperature of 14°C (58°F) and maximums reaching up to 29°C (84°F), while February has a chillier average of 6°C (43°F) and a maximum of only 17°C (63°F). Precipitation is also more pronounced in February, with 64 mm (2.5 in) of rain over 13 days, compared to September's 52 mm (2.1 in) over 10 days. Additionally, February is more humid, featuring a humidity level of 88% compared to September's 79%. For more detailed insights, you can check Grosmont weather in February.

September and March present quite contrasting weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a comfortable maximum of 29°C (84°F), with an average of 14°C (58°F), making it a relatively warm month for outdoor activities. However, it experiences about 52 mm (2.1 in) of precipitation over approximately 10 days, accompanied by a moderate humidity level of 79%.

In contrast, March is notably cooler, with temperatures dipping from a low of -7°C (20°F) to a maximum of 20°C (68°F), averaging around 7°C (45°F). Precipitation is higher at 73 mm (2.9 in) and occurs over 15 days, contributing to a higher humidity level of 86%. For more detailed insights on March weather, you can view this link: Grosmont weather in March.

When comparing the weather in September and April, there are notable differences in temperature and humidity. September tends to be warmer, with average temperatures ranging from a chilly 2°C (36°F) at night to a comfortable 29°C (84°F) during the day. In contrast, April has cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 23°C (73°F), averaging around 9°C (48°F). Both months experience similar levels of precipitation, with September receiving 52 mm (2.1 in) over about 10 days, while April has slightly less at 51 mm (2.0 in) over 8 days. Humidity levels are relatively high in both months, at 79% in September and 84% in April, contributing to a damp atmosphere. For more detailed insights into April weather, you can visit Grosmont weather in April.

In comparing the weather between September and May, we see distinct seasonal differences. September enjoys a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 29°C (84°F), while May has slightly cooler temperatures that range from a minimum of -1°C (31°F) to a maximum of 26°C (79°F). Precipitation is generally higher in May, totaling 73 mm (2.9 in) over 12 days compared to September's 52 mm (2.1 in) over 10 days. Despite having similar humidity levels, May tends to feel cooler and more damp than the warmer days of September. For a more detailed look, you can refer to Grosmont weather in May.

September and June present somewhat similar temperature ranges, with both months featuring maximum temperatures peaking at around 29°C (84-85°F). However, September starts with cooler nights, recording a minimum temperature of 2°C (36°F), compared to June's milder minimum of 6°C (43°F). Precipitation levels are higher in June, with 76 mm (3.0 in) over 12 days, while September experiences 52 mm (2.1 in) across 10 days. Despite the marginally higher humidity in September at 79% versus June's 80%, both months provide a mix of warm days and cooler evenings. For more detailed insights into June weather, please refer to Grosmont weather in June.

In comparing the weather between September and July, September tends to be cooler, with minimum temperatures averaging around 2°C (36°F) compared to July's 6°C (44°F). Both months have similar maximum temperatures, with July peaking slightly higher at 30°C (86°F) than September at 29°C (84°F). Additionally, September sees a lower average temperature of 14°C (58°F), while July averages at 17°C (63°F). Precipitation levels are fairly close, with September receiving 52 mm (2.1 in) and July slightly higher at 61 mm (2.4 in), though both months experience precipitation over roughly 10 days. Notably, September has a higher humidity level at 79% compared to 70% in July. For more detailed information on July weather, check Grosmont weather in July.

In comparing the weather of September and August, September tends to exhibit a broader temperature range. The minimum temperature in September drops to 2°C (36°F), while the average is a cooler 14°C (58°F), compared to August's minimum of 6°C (43°F) and average of 16°C (62°F). September also brings more variability in its maximum temperature, peaking at 29°C (84°F) versus August's 31°C (89°F). However, rainfall is slightly less in September with 52 mm (2.1 in) over 10 days, compared to August's 72 mm (2.8 in) over 11 days. Despite the higher humidity of 79% in September, which is up from August's 73%, the overall feel of September is a gentle transition towards cooler autumn months. For more details about the August conditions, you can visit Grosmont weather in August.

September typically enjoys warmer temperatures, with averages around 14°C (58°F) and maximums reaching up to 29°C (84°F). However, as the month transitions into October, we see a noticeable drop in temperatures, with averages declining to 11°C (52°F) and maximums peaking at 23°C (73°F). October also brings an increase in precipitation, totaling 94 mm (3.7 in) over 12 days, compared to September's 52 mm (2.1 in) on 10 days. Additionally, humidity levels rise slightly in October to 89%, up from 79% in September. For more details, visit Grosmont weather in October.

In September, the weather is quite mild, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 29°C (84°F), and a relatively lower precipitation of 52 mm (2.1 in) distributed over 10 days. The humidity sits at 79%, making for comfortable conditions. In contrast, November sees a significant drop in temperatures, with averages between -2°C (28°F) and 17°C (62°F). Precipitation increases to 73 mm (2.9 in) over 13 days and the humidity rises to 90%, bringing a distinctly chillier and wetter atmosphere. For more detailed insights, you can check Grosmont weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a mild minimum of 2°C (36°F) to a warm average of 14°C (58°F), peaking at a comfortable 29°C (84°F). With 52 mm of precipitation over about 10 days, humidity sits at a relatively lower 79%. In contrast, December experiences significantly colder temperatures, with a minimum of -10°C (14°F) and an average of 6°C (43°F), only reaching a maximum of 14°C (57°F). Precipitation increases to 91 mm spread over 15 days, and humidity rises to 89%, creating a more damp and chilly atmosphere. For more insights on December weather patterns, check out Grosmont weather in December.

Compare Grosmont's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Grosmont

As September unfolds in Grosmont, the weather marks a transition from the warm embrace of summer to the chill of autumn. With average temperatures hovering around 14°C and maxing out at 29°C, this month offers a delightful mix of warm days and cooler nights. However, the increase in humidity to 79% and 52 mm of precipitation over 10 days creates a distinctly damp atmosphere compared to the drier months preceding it. This blend of warmth and moisture not only enhances the local landscape but also signals the onset of the vibrant fall colors. For those interested in a deeper dive into seasonal trends, check out the Grosmont Climate page for further insights.