September Weather in Whitby, United Kingdom

Last updated: March 17, 2025

September in Whitby, United Kingdom, presents a charming blend of mild temperatures and frequent rainfall. During this month, temperatures typically reach a maximum of 18°C (65°F) and hover around an average of 14°C (57°F), dipping to a comfortable minimum of 8°C (47°F) at night. While the scenery remains picturesque, residents and visitors can expect 76 mm (3.0 in) of rainfall spread over 13 days, leading to a noticeably high humidity level of 87%. This combination of cooler weather and abundant moisture fosters a lush, vibrant landscape, making September a delightful time to experience the beauty of Whitby.

September Temperature in Whitby

September in Whitby, United Kingdom, ushers in the gentle transition from summer to autumn, with temperatures settling into a comfortable range. With minimums around 8°C (47°F) and maximums peaking at 18°C (65°F), the warmth of late summer still lingers, making it an inviting time to explore the coastal charm of this historic town. The average temperature of 14°C (57°F) suggests a slight cool-down compared to August, yet the weather remains mild enough for outdoor activities. As the month progresses, the gradual dip in temperatures hints at the approach of autumn, creating a beautiful backdrop for those who appreciate the changing seasons while enjoying the crisp sea air and the stunning scenery Whitby has to offer.

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

The chart illustrates September temperature patterns in Whitby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434343455055596057534844
Data source: Temperature data for Whitby 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 Whitby

September in Whitby, United Kingdom, brings a refreshing blend of rain and moderate temperatures, with precipitation measuring 76 mm (about 3.0 inches) over 13 days. This marks a slight dip from August’s heavier rainfall of 84 mm, continuing a trend of relatively stable precipitation as the year transitions into autumn. Notably, September's rainfall is still significant enough to contribute to the lush landscapes that define the region. As the days grow shorter and the weather begins to cool, Whitby's precipitation seizes a pivotal role in maintaining its vibrant natural beauty, setting the stage for the wetter months ahead.

September Precipitation Trends in Whitby

The chart displays monthly precipitation patterns in Whitby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec68826837559068847610810396
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Whitby

In September, Whitby experiences a notable spike in humidity, with levels reaching 87%, marking a rise from the drier summer months of July and August, which recorded 83% and 82% respectively. This uptick brings the coastal town's humidity closer to the heavier averages seen in the early autumn, as October and November follow suit with 89% and 90%. The transition into fall signifies a return to the more humid conditions typically seen in Whitby, reminiscent of the winter months that start off the year at 89%. Overall, the trend highlights a shift from summer's relative dryness to the wetter embrace of autumn as the season changes.

September Average Humidity in Whitby

This chart illustrates the average monthly humidity levels in Whitby, 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%87%86%84%83%85%83%82%87%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Whitby

As September rolls into Whitby, the UV Index typically settles at a moderate 5, mirroring the conditions of early spring and autumn where sun exposure is manageable yet still requires attention. After the height of summer, where an intense UV Index of 8 reigned, this slight drop allows for a more comfortable burn time of 30 minutes before skin becomes susceptible to damage. September serves as a gentle reminder to adapt your sun protection practices; even in fall, it's important to stay vigilant against UV rays. For more information on sun safety, check out the complete details on the Whitby UV Index.

Maximum UV Index Levels in Whitby for September

The chart shows the monthly maximum UV Index (UVI) for Whitby 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568875321
Data source: Whitby 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 Whitby

As the summer warmth begins to fade, September in Whitby, United Kingdom, offers a delightful transition into autumn with an impressive 322 hours of sunshine. This month marks a noticeable decline from the peak of 428 hours in July, yet it remains comfortably above the dismal winter months. March and April show a gradual increase in daylight, culminating in the vibrant month of May, where the sun shines for 404 hours, enticing visitors to explore the coast and its scenic beauty. Despite the decrease toward the end of the year, September still boasts a significant amount of sunshine compared to the colder months, providing a radiant backdrop for both local residents and tourists eager to enjoy the charming seaside town before winter's chill sets in.

Monthly Sunshine Duration in Whitby: September Highlighted

The September sunshine duration represents the total number of hours Whitby 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h155h229h353h404h389h428h385h322h244h141h110h
Data source: Whitby September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Whitby During September

In September, Whitby experiences a modest 29% chance of sunny weather—a slight uptick from the summer months of July and August, where the chances are 37% and 28% respectively. This trend suggests that while the sunshine may begin to wane as autumn approaches, there's still a flicker of warmth and brightness lingering in the early fall. Overall, September finds itself nestled between summer's fading glow and the cooler embrace of autumn, offering a balanced mix of sun and cloud as the region transitions to its seasonal rhythm. As the month unfolds, locals and visitors alike can hope for those cherished sunny days that linger just a bit longer.

Percentage of Sunny Days in September in Whitby

The chart illustrates the percentage of sunny days in Whitby 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 Whitby experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%26%25%49%36%34%37%28%29%25%30%21%
Data source: Whitby September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Whitby in September

As summer fades in Whitby, the month of September welcomes a gentle transition towards shorter days, offering approximately 12 hours of daylight. This marks a noticeable decrease from the sun-drenched heights of June, where the town basked in nearly 17 hours of light. In September, the lingering warmth of summer still graces the coastal landscape, yet the sun begins to set earlier, hinting at the approaching autumn. This gradual shift reflects the annual rhythm, as daylight diminishes from a peak in May and June, highlighting the seasonal changes that paint Whitby’s scenic backdrop with vibrant fall hues as the year progresses towards the winter months.

Average Daylight Hours in Whitby for September

The chart illustrates the variation in daylight duration in Whitby throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 56m9h 43m11h 54m14h 7m16h 5m17h 8m16h 34m14h 47m12h 38m10h 26m8h 26m7h 21m
Data source: Whitby daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Whitby

As September rolls into Whitby, the wind begins to whisper its transition from the lighter breezes of summer to the energetic gusts of autumn. With an average wind speed of 5.5 m/s (12 mph), this month maintains a gentle vitality, slightly below the preceding August but still hinting at the vigor to come. The gradual decline from the summer's calm winds—peaking at 5.6 m/s—signals a shift in the air, blending the warmth of early fall with the promise of the change ahead. As we transition towards October, where winds pick up momentum averaging 8.0 m/s (18 mph), September stands as a charming interlude, holding its breath before the bluster of autumn truly arrives.

Average September Wind Speed in Whitby

The chart displays monthly wind speed patterns in Whitby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.78.87.05.65.44.74.45.65.5 m/s8.08.37.4
Data source: Whitby September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Whitby Compares to Other Months

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

September and January present distinct weather patterns, each with its own unique characteristics. September enjoys milder temperatures, ranging from a minimum of 8°C (47°F) to an average of 14°C (57°F), with a maximum of 18°C (65°F). In contrast, January is much colder, with temperatures dipping to a minimum of 1°C (34°F) and averaging around 6°C (43°F), peaking at 13°C (55°F). While September experiences more precipitation at 76 mm (3.0 in) over 13 days, January sees slightly less rain at 68 mm (2.7 in) but with a higher humidity of 89%. For more details on January weather, you can check Whitby weather in January.

When comparing the weather in September and February, notable differences emerge. September boasts milder temperatures, with a minimum of 8°C (47°F) and a comfortable average of 14°C (57°F), peaking at 18°C (65°F). It experiences a bit more precipitation at 76 mm (3.0 in) over approximately 13 days, while maintaining high humidity at 87%. In contrast, February is much colder, with temperatures dropping to a minimum of -1°C (31°F) and averaging just 6°C (43°F), maxing out at 12°C (53°F). Despite similar humidity levels, February sees slightly increased precipitation at 82 mm (3.2 in) over 14 days. To learn more about the specifics of February weather, visit Whitby weather in February.

September and March present distinct weather contrasts. In September, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 18°C (65°F), with an average of 14°C (57°F). This month sees a substantial amount of precipitation at 76 mm (3.0 in) over 13 days, accompanied by high humidity levels at 87%. In contrast, March is considerably cooler, with temperatures dropping to a minimum of -2°C (29°F) and peaking at 12°C (55°F), averaging around 6°C (44°F). The total precipitation is slightly less at 68 mm (2.7 in) over 14 days, and the humidity remains relatively high at 85%. For more detailed insights about March weather specifics, you can explore Whitby weather in March.

When comparing the weather in September and April, notable differences emerge. September typically enjoys milder temperatures, averaging 14°C (57°F) with a maximum of 18°C (65°F), while April tends to be cooler, with an average of 7°C (45°F) and a maximum of 14°C (57°F). Precipitation levels are also higher in September, with 76 mm (3.0 in) over 13 days, compared to April's 37 mm (1.4 in) over just 8 days. Humidity is slightly higher in September at 87%, compared to 84% in April. For more detailed information about April's weather, you can check Whitby weather in April.

When comparing the weather in September and May, September generally offers milder temperatures with an average of 14°C (57°F), peaking at 18°C (65°F), while May shows slightly cooler temperatures, averaging 10°C (50°F) with a maximum of 16°C (61°F). Precipitation is more frequent in September, occurring on 13 days, compared to 10 days in May, though the total rainfall is higher in September at 76 mm (3.0 in) compared to 54 mm (2.1 in) in May. Humidity levels are also slightly higher in September at 87%, compared to 83% in May. For a detailed look at May weather patterns, you can visit Whitby weather in May.

When comparing the weather in September and June, we see some similarities and differences. September tends to be slightly warmer with an average temperature of 14°C (57°F), while June has a slightly cooler average of 13°C (55°F). The maximum temperatures are also comparable, with September peaking at 18°C (65°F) and June reaching 19°C (66°F). Both months experience similar precipitation levels, with September receiving 76 mm (3.0 in) over 13 days and June experiencing a bit more at 90 mm (3.5 in) over just 11 days. Humidity levels are relatively high in both months, with September at 87% and June at 85%. For a detailed overview, you can check Whitby weather in June.

September and July present contrasting weather patterns. In July, temperatures are generally milder, with a minimum of 11°C (52°F) and a maximum of 22°C (71°F), averaging around 15°C (60°F). The month sees less rainfall, with approximately 68 mm (2.7 in) distributed over 12 days and a humidity level of 83%. In contrast, September experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 18°C (65°F), averaging 14°C (57°F). It also sees slightly more precipitation, totaling 76 mm (3.0 in) over 13 days and a higher humidity level at 87%. For a more detailed look at July's weather, you can check out Whitby weather in July.

In comparing the weather between August and September, it's clear that September brings slightly cooler temperatures, with a minimum of 8°C (47°F) compared to August's minimum of 12°C (53°F). The average temperature in September is 14°C (57°F), which is marginally lower than August's average of 15°C (60°F). Maximum temperatures also dip slightly in September, peaking at 18°C (65°F) versus 20°C (69°F) in August. Despite nearly equal precipitation levels—with September receiving 76 mm (3.0 in) and August 84 mm (3.3 in)—September tends to feel a bit more humid, registering at 87% compared to August's 82%. For a more detailed view of August weather, you can visit Whitby weather in August.

September and October weather exhibit notable differences, particularly in temperature and precipitation levels. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 18°C (65°F), with an average of 14°C (57°F). The month experiences 76 mm (3.0 in) of precipitation over 13 days, accompanied by a humidity level of 87%. In contrast, October sees slightly cooler temperatures, with a minimum of 6°C (43°F) and an average of 12°C (53°F), while the maximum rises to 19°C (66°F). However, it brings more rainfall at 108 mm (4.2 in) over 18 days, and humidity increases to 89%. For detailed insights about conditions in October, visit Whitby weather in October.

In comparing the weather between September and November, September tends to be milder, with average temperatures around 14°C (57°F) and highs reaching up to 18°C (65°F). In contrast, November sees a drop in average temperature to just 9°C (48°F), with maximum temperatures only reaching 15°C (60°F). Additionally, precipitation increases in November, totaling 103 mm (4.0 in) over 17 days, compared to September's 76 mm (3.0 in) over 13 days. Humidity also rises slightly, from 87% in September to 90% in November, contributing to a damp and chillier atmosphere. For more detailed information about the weather during this month, you can check Whitby weather in November.

In September, temperatures range from a mild 8°C (47°F) to a comfortable maximum of 18°C (65°F), with an average of 14°C (57°F). The month sees 76 mm (3.0 in) of precipitation over 13 rainy days and a humidity level of 87%. In contrast, December brings cooler temperatures, with a minimum of 1°C (34°F), an average of 7°C (45°F), and a maximum of 12°C (54°F). Precipitation increases to 96 mm (3.8 in) spread over 18 days, while humidity remains slightly higher at 88%. For more detailed information on December conditions, you can check Whitby weather in December.

Compare Whitby's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Whitby

As September unfolds in Whitby, the weather begins to shift from the warm embrace of summer to a cooler, more temperate climate. With average temperatures hovering around a comfortable 14°C, days are often marked by a refreshing crispness, especially as the month progresses. However, the increased humidity and precipitation—with about half the month experiencing some rainfall—gives this time of year a unique character compared to the drier summer months. While it may not reach the highs of July or August, September's blend of milder temperatures and the occasional shower creates an inviting atmosphere, perfect for exploring the stunning coastal scenery. For more detailed insights, check out Whitby Climate.