September Weather in Dundee, United Kingdom

Last updated: March 17, 2025

In September, Dundee experiences a dynamic blend of temperatures and weather conditions. With a maximum temperature reaching 24°C (76°F), the month offers pleasantly warm days, while the average hovers around a mild 13°C (55°F). Nighttime can bring a chill, with lows dipping to 2°C (35°F). Rain is a common companion, as 65 mm (2.6 in) of precipitation falls over approximately 11 days, resulting in a humidity level of 90% that often leaves the air feeling refreshingly crisp. This variation makes September a unique time to explore Dundee's charming landscapes, albeit with an umbrella in hand!

September Temperature in Dundee

In September, Dundee experiences a delightful transition as summer gracefully bows to the onset of autumn. The temperatures, with a minimum of 2°C (35°F) and a pleasant average of 13°C (55°F), provide a cooling respite from the summer heat. Daytime highs can reach 24°C (76°F), allowing for some idyllic late-summer outings. Compared to the preceding months, where warmth peaked in August, September offers a more temperate climate, signaling a shift towards cooler evenings and the vibrant colors of fall. As daylight wanes, the changing weather encourages a cozy atmosphere, perfect for enjoying the beauty of the Scottish landscape.

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

The chart illustrates September temperature patterns in Dundee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394043455156605955504440
Data source: Temperature data for Dundee 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 Dundee

In September, Dundee experiences a notable shift in its weather patterns, receiving an average precipitation of 65 mm (2.6 in) over approximately 11 days. This amount marks a decrease from the preceding months of August, which saw a higher rainfall of 91 mm (3.6 in) across 16 days. As summer transitions into autumn, the rainfall starts to stabilize, hinting at the drier, cooler months ahead. While September still brings consistent showers, it sets the stage for the heavier downpours typical of October, where precipitation increases significantly to 100 mm (3.9 in). This trend reflects Dundee's characteristic climate, where late summer's humidity gradually gives way to the crispness of fall.

September Precipitation Trends in Dundee

The chart displays monthly precipitation patterns in Dundee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4790733574748391651008383
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dundee

In September, Dundee experiences a notable increase in humidity, reaching 90%, which marks a seasonal peak as summer transitions into autumn. This uptick from 86% in August reflects the lingering warmth of late summer, along with the onset of more frequent autumnal rains. As we move into the fall months, humidity continues to rise, peaking at 91% in October and 92% in November. Interestingly, while January through April showcase declining humidity levels, the latter part of the year sees a consistent climb, emphasizing Dundee’s damp and often drizzly climate. Thus, September serves as a bridge, hinting at the wetter conditions to come while still holding onto the remnants of summer's humidity.

September Average Humidity in Dundee

This chart illustrates the average monthly humidity levels in Dundee, 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%82%84%86%86%90%91%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dundee

As summer transitions to autumn, September in Dundee sees a UV Index of 5, indicating a moderate exposure level. This slight dip from the high readings of previous months reflects the cooling weather, allowing for a burn time of 30 minutes for unprotected skin. This trend highlights the importance of maintaining sun safety as we move away from the intense summer sun while still enjoying the outdoors. As October approaches, the UV Index is predicted to decrease further to 3, so it's a good idea to stay informed about changing UV levels. For more detailed insights on safe sun exposure, you can visit Dundee UV Index.

Maximum UV Index Levels in Dundee for September

The chart shows the monthly maximum UV Index (UVI) for Dundee 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Dundee 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 Dundee

As autumn approaches in Dundee, September brings a delightful mix of lingering summer warmth and crisp fall air, boasting an impressive 287 hours of sunshine. This month reflects a notable decline from the summer's peak hours, with July leading the charge at 398 hours of radiant sunlight. As the seasons shift, September's sun sets the tone for shorter days ahead, yet it still shines brightly in contrast to the dreariness of the upcoming months. May and June also stand out with their generous sunlight, hinting that Dundee enjoys a tapestry of light throughout the year, even as the brightness begins to wane. With a gentle drop in daylight, September invites residents and visitors alike to revel in the seasonal beauty while soaking up the last rays of summer.

Monthly Sunshine Duration in Dundee: September Highlighted

The September sunshine duration represents the total number of hours Dundee 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.
JanFebMarAprMayJunJulAugSepOctNovDec78h129h200h329h396h379h398h356h287h204h106h75h
Data source: Dundee September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dundee During September

When considering the likelihood of sunny weather in September in Dundee, Scotland, the data reveals a compelling trend. With only a 21% chance of sunshine, September typically experiences one of the lower probabilities for sun compared to the rest of the year. Following a modestly brighter April at 47%, the chances dwindle significantly as summer fades into autumn, highlighting a noticeable dip in sunshine during this transitional month. This pattern suggests that while September might offer some pleasant days, it often succumbs to the encroaching clouds and cooler temperatures that characterize the onset of fall in this coastal city.

Percentage of Sunny Days in September in Dundee

The chart illustrates the percentage of sunny days in Dundee 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 Dundee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%27%23%47%24%24%27%26%22%22%34%21%
Data source: Dundee September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dundee in September

As September rolls in, Dundee, United Kingdom, experiences a graceful transition in daylight duration, offering an average of 12 hours of sunlight. This month marks a notable decrease from the 15 hours enjoyed in August, hinting at the approach of autumn. Following the longer, sun-drenched days of summer, September's light begins to ebb, yet it provides a balanced and pleasant ambiance for outdoor activities. The trend in daylight shows a steady decline from the peak of 17 hours in June, gradually cascading towards the shorter days of winter, characterized by just 6 hours of daylight in December. As daylight diminishes, Dundee welcomes the softer hues of fall, inviting residents to savor the changing seasons.

Average Daylight Hours in Dundee for September

The chart illustrates the variation in daylight duration in Dundee throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 35m9h 32m11h 53m14h 17m16h 26m17h 36m16h 58m15h12h 41m10h 19m8h 8m6h 56m
Data source: Dundee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dundee

As summer gives way to autumn, September in Dundee brings a moderate shift in the average wind speed, settling at 3.0 m/s (7 mph). This marks a slight increase from the calm breezes of July and August, which registered their lowest speeds of the year at 2.3 m/s (5 mph) and 2.6 m/s (6 mph), respectively. As the leaves begin to turn, a subtle uptick in the wind complements the crisping air, setting the stage for autumn's arrival. Looking ahead to October, the winds are expected to pick up again, revealing a natural progression where wind speeds steadily rise through the autumn months, peaking in November at 4.5 m/s (10 mph). This rhythmic dance of winds not only marks the changing of seasons but also underscores Dundee's unique maritime climate, where each month tells a story of transition and renewal.

Average September Wind Speed in Dundee

The chart displays monthly wind speed patterns in Dundee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.45.24.23.03.23.52.32.63.0 m/s4.14.53.6
Data source: Dundee September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dundee Compares to Other Months

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

September and January in Dundee present markedly different weather patterns. In September, temperatures typically range from a minimum of 2°C (35°F) to a maximum of 24°C (76°F), with an average of 13°C (55°F). This month experiences about 65 mm (2.6 in) of precipitation over approximately 11 days, accompanied by high humidity levels of 90%. In contrast, January sees colder conditions, where temperatures range from a minimum of -5°C (24°F) to a maximum of 13°C (56°F), with an average of 4°C (40°F). There is less precipitation, totaling around 47 mm (1.8 in) over 10 days, with humidity slightly lower at 89%. For a more detailed look at January weather, check out Dundee weather in January.

September and February present quite contrasting weather experiences. In September, temperatures range from a mild 2°C (35°F) at night to a pleasant average of 13°C (55°F) during the day, peaking at 24°C (76°F). The month sees moderate rainfall with about 65 mm (2.6 in) spread over 11 days, contributing to a high humidity level of 90%. In stark contrast, February's chilly climate features temperatures dropping to a minimum of -11°C (12°F) and an average of just 5°C (41°F), with daytime highs reaching 15°C (59°F). The precipitation in February is slightly higher at 89 mm (3.5 in), occurring on 14 days, accompanied by a humidity level of 88%. For more detailed information, you can check Dundee weather in February.

September and March present contrasting weather patterns as they mark the transition between summer and winter. In September, temperatures range from a mild 2°C (35°F) at night to a pleasant 24°C (76°F) during the day, with an average of 13°C (55°F). The month sees a total of 65 mm (2.6 in) of precipitation over 11 days, accompanied by high humidity levels of 90%.

Conversely, March offers cooler conditions, with nighttime lows plunging to -4°C (25°F) and daytime highs reaching up to 17°C (64°F), averaging around 6°C (43°F). It experiences slightly higher precipitation at 73 mm (2.9 in) across 14 days and maintains a humidity level of 86%. For a closer look at this month, check out Dundee weather in March. Overall, September tends to be warmer and slightly drier, while March introduces a chillier atmosphere with more frequent rainfall.

When comparing the weather in September and April, noticeable differences emerge. September generally boasts a milder climate, with temperatures ranging from a minimum of 2°C (35°F) to a comfortable average of 13°C (55°F) and reaching maximums of 24°C (76°F). This month also sees higher humidity levels at 90% and more precipitation, with 65 mm (2.6 in) falling over approximately 11 days. In contrast, April starts off cooler, with minimum temperatures dipping to -5°C (23°F) and an average of just 7°C (46°F). Although it can still be brisk, maximum temperatures can reach up to 21°C (71°F). April experiences less precipitation (35 mm or 1.4 in) over about 8 days, along with slightly lower humidity at 84%. For those seeking more detailed insights, check out Dundee weather in April.

September and May share similar maximum temperatures, both reaching around 24°C (75-76°F), but the overall feel of each month differs significantly due to their varying conditions. In September, temperatures range from a minimum of 2°C (35°F) to an average of 13°C (55°F), while in May, the temperatures slightly dip lower, with a minimum of -1°C (31°F) and an average of 11°C (52°F). Precipitation levels are fairly close, with September experiencing 65 mm (2.6 in) over 11 days and May slightly higher at 74 mm (2.9 in) across 13 days, though September feels more humid at 90% compared to May's 82%. For a more detailed look at May weather, check out Dundee weather in May.

In comparing the weather between September and June, we see some notable differences. September offers a wider temperature range, with minimums dropping to 2°C (35°F) and maximums reaching up to 24°C (76°F), while June maintains slightly warmer temperatures, starting at a minimum of 4°C (40°F) and peaking at 26°C (79°F). Precipitation is fairly similar, with September receiving 65 mm (2.6 in) across 11 days, compared to June’s 74 mm (2.9 in) over 12 days. Additionally, September has higher humidity at 90%, while June is slightly lower at 84%. For more detailed information, you can check out Dundee weather in June.

In comparing the weather between September and July, September features a broader temperature range, with a minimum of 2°C (35°F) and a maximum of 24°C (76°F), resulting in an average temperature of 13°C (55°F). In contrast, July tends to be warmer with a minimum of 6°C (44°F), a maximum of 26°C (78°F), and an average of 16°C (60°F). While September experiences slightly less precipitation at 65 mm (2.6 in) over 11 days, July sees more rainfall, totaling 83 mm (3.3 in) over 15 days. Humidity levels are also high in both months, with September at 90% and July at 86%. For more detailed information on July weather patterns, you can visit Dundee weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with minimum temperatures reaching 2°C (35°F) compared to August's minimum of 5°C (41°F). The average temperature in September is 13°C (55°F), which is a touch lower than August's average of 15°C (59°F). However, both months feature similar maximum temperatures, both peaking at around 24°C (76°F). Precipitation levels are higher in August at 91 mm (3.6 in) over 16 days, while September sees a reduction to 65 mm (2.6 in) across 11 days. Humidity remains relatively high in both months, with September experiencing a slight increase at 90%, compared to August's 86%. For more detailed information, you can check Dundee weather in August.

As September transitions into October, the weather experiences a notable shift. September typically boasts milder temperatures, with a minimum of 2°C (35°F) and an average of 13°C (55°F), peaking at a comfortable 24°C (76°F). In contrast, October brings cooler conditions, with temperatures dipping to a minimum of -1°C (30°F) and an average of 10°C (50°F), reaching a maximum of only 18°C (65°F). Additionally, October sees an increase in precipitation, measuring 100 mm (3.9 in) across 14 days compared to September's 65 mm (2.6 in) over 11 days. The humidity remains fairly consistent, hovering around 90% in September and slightly rising to 91% in October. For a detailed look at October's weather, check out Dundee weather in October.

In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences about 65 mm (2.6 in) of precipitation over roughly 11 days, and humidity hovers around 90%. In contrast, November sees colder weather, with temperatures falling to a minimum of -4°C (24°F) and reaching a maximum of 14°C (58°F), averaging just 7°C (44°F). Precipitation increases to 83 mm (3.3 in) over approximately 14 days, along with a slight rise in humidity to 92%. For more specifics about the month, you can refer to the information found in the link: Dundee weather in November.

In September, the weather is generally milder, featuring a minimum temperature of 2°C (35°F) and an average of 13°C (55°F), with highs reaching up to 24°C (76°F). The month experiences about 65 mm (2.6 in) of precipitation over 11 days, with humidity levels around 90%. In contrast, December sees a notable drop in temperatures, with a minimum of -6°C (21°F) and an average of just 5°C (40°F), peaking at 13°C (56°F). Precipitation increases to 83 mm (3.2 in) over 14 days, while humidity remains high at 88%. For more details, check out Dundee weather in December.

Compare Dundee's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dundee

As September unfolds in Dundee, the weather begins to transition from the warm embrace of summer to the cooler touch of autumn. With average temperatures settling around a comfortable 13°C, this month offers a pleasant reprieve from the heat, though the occasional warmth peeks through with highs reaching up to 24°C. However, it's not just the temperatures that define September; increased humidity levels, peaking at 90%, paired with about 65 mm of rainfall spread over 11 days, remind us that autumn is on the horizon. This gradual shift contrasts with the drier conditions of the preceding summer months, making September a unique blend of lingering warmth and refreshing rain. For more detailed insights, check out Dundee Climate.