September Weather in Newcastle upon Tyne, United Kingdom

Last updated: March 17, 2025

September in Newcastle upon Tyne showcases a captivating blend of seasonal transitions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F). The average temperature hovers around a comfortable 14°C (57°F), making it an ideal time for outdoor activities. However, with 61 mm (2.4 in) of rainfall spread across 12 days, visitors should be prepared for the occasional shower. The month is further characterized by high humidity levels at 87%, adding a unique touch to the crisp autumn air. As the city prepares for the cooler months, September offers a delightful experience ripe with changing colors and dynamic weather.

September Temperature in Newcastle upon Tyne

As September unfolds in Newcastle upon Tyne, the city experiences a delightful transition from the warmth of summer to the crispness of autumn. Temperatures during this month range from a refreshing 4°C (40°F) to a comfortable high of 27°C (80°F), with an average of 14°C (57°F). Compared to the preceding months, September offers a noticeable cool down, yet still retains some of the summer's lingering warmth. This gradual shift sets the stage for the rich hues of fall, inviting residents and visitors alike to enjoy outdoor activities as the landscape transitions. With milder temperatures and less humidity than the peak summer months, September proves to be a charming time to explore Newcastle's vibrant scenery and culture.

September Weather in Newcastle upon Tyne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Newcastle upon Tyne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244475358626157524642
Data source: Temperature data for Newcastle upon Tyne 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 Newcastle upon Tyne

In September, Newcastle upon Tyne experiences a precipitation total of 61 mm (2.4 in), falling slightly below the summer’s heavier rains but still reflecting a characteristic dampness of early autumn. Rain graces the city on about 12 days, marking a transition from the wetter months of August and June, which recorded 82 mm and 75 mm, respectively. This moderate rainfall, often accompanied by the shifting colors of the foliage, signals the onset of the cooler seasons, while maintaining a vibrant atmosphere. With precipitation levels consistent with the previous months, September serves as a reminder of the region's maritime climate, balancing the sunlit days with refreshing showers.

September Precipitation Trends in Newcastle upon Tyne

The chart displays monthly precipitation patterns in Newcastle upon Tyne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec497462334975738261826369
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Newcastle upon Tyne

In Newcastle upon Tyne, September brings a subtle uptick in humidity, rising to 87%, a slight increase from the summer months. This revitalization of moisture serves as a precursor to the wetter autumn season, as humidity levels typically peak again in October at 89%. Observing the trend throughout the months, it's notable that the city's humidity maintains a relatively high level year-round, with the first half of the year generally holding lower percentages and gradually escalating as the colder months approach. The transition from summer's drier air to autumn's dampness creates a distinct shift in the region's atmosphere, evoking the cozy embrace of fall. With November even reaching 90%, Newcastle’s climate consistently reminds residents of the inevitable arrival of the rainy season.

September Average Humidity in Newcastle upon Tyne

This chart illustrates the average monthly humidity levels in Newcastle upon Tyne, 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 Newcastle upon Tyne

As September arrives in Newcastle upon Tyne, the UV Index settles at a moderate level of 5, indicating that sun protection is advisable during peak hours. This marks a slight decline from the summer months, where indices peaked at 8 in both June and July, demanding vigilant sun safety practices. Even as the days grow shorter and temperatures cool, the burn time remains at 30 minutes, reminiscent of the spring's conditions. This transitional month exemplifies the shift from high summer exposure to a more moderate risk, making it crucial for residents and visitors to stay informed. For a detailed look at the UV Index throughout the year, check out Newcastle upon Tyne UV Index.

Maximum UV Index Levels in Newcastle upon Tyne for September

The chart shows the monthly maximum UV Index (UVI) for Newcastle upon Tyne 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Newcastle upon Tyne 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 Newcastle upon Tyne

In September, Newcastle upon Tyne basks in a delightful 311 hours of sunshine, marking a significant transition as summer bids farewell. This month stands out as a bridge from the sun-drenched days of July and August, which flaunted 414 and 363 hours respectively, to the brisker, shorter days of October with only 237 hours. As the summer sun begins to wane, the warmth of early autumn beckons residents and visitors alike to enjoy the vibrant city and its surroundings. The gradual decline in sunlight hints at the approaching winter months, where sunshine hours plummet to just 132 in November and 101 in December, making September a precious time to soak up the last rays of warmth before the chill sets in.

Monthly Sunshine Duration in Newcastle upon Tyne: September Highlighted

The September sunshine duration represents the total number of hours Newcastle upon Tyne 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h153h227h343h401h386h414h363h311h237h132h101h
Data source: Newcastle upon Tyne September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newcastle upon Tyne During September

In Newcastle upon Tyne, the likelihood of sunny weather in September hovers around 24%, a figure that reflects a slightly below-average potential for sunshine as the summer month transitions into autumn. This percentage aligns with the drier and sunnier months of April (50%) and May (32%), but notably trails the summer peaks of July and August. Following September, the chances of sun decline further into October (23%) and November (29%). Overall, while the sun may still grace the city occasionally in September, residents and visitors should prepare for the changing weather patterns characteristic of the approaching autumn season.

Percentage of Sunny Days in September in Newcastle upon Tyne

The chart illustrates the percentage of sunny days in Newcastle upon Tyne 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 Newcastle upon Tyne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%24%25%50%32%27%32%22%24%23%29%18%
Data source: Newcastle upon Tyne September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newcastle upon Tyne in September

As September rolls into Newcastle upon Tyne, the city enjoys about 12 hours of daylight, a gentle tapering off from the sun-drenched heights of 17 hours in June and 16 hours in July. This month marks a transition, as the days become noticeably shorter following the vibrant summer months. While autumn begins to whisper its arrival, the average daylight hours still provide ample opportunity to explore the city's rich history and natural beauty. As the daylight dwindles, one can sense the subtle shift in the atmosphere, hinting at the cooler, quieter months ahead, while still basking in the lingering warmth of early fall.

Average Daylight Hours in Newcastle upon Tyne for September

The chart illustrates the variation in daylight duration in Newcastle upon Tyne throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 51m9h 41m11h 53m14h 9m16h 10m17h 15m16h 40m14h 51m12h 39m10h 24m8h 22m7h 15m
Data source: Newcastle upon Tyne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Newcastle upon Tyne

As September rolls into Newcastle upon Tyne, the wind whispers a gentle tune, averaging 3.8 m/s (8 mph). This consistent breeze mirrors the more subdued gusts of summer, which lingered around similar speeds. Notably, September marks a slight uptick compared to July's calmest conditions of 3.0 m/s (7 mph), suggesting a subtle shift as the region gears up for the upcoming autumn months. With October on the horizon bringing in stronger winds, averaging 5.3 m/s (12 mph), September serves as a serene transition, allowing both locals and visitors to savor the crispness of early fall amidst tranquil air. Overall, it’s a time where the winds are amicable, offering a pleasant backdrop for those exploring this vibrant city.

Average September Wind Speed in Newcastle upon Tyne

The chart displays monthly wind speed patterns in Newcastle upon Tyne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.65.85.13.83.73.83.03.73.8 m/s5.35.54.5
Data source: Newcastle upon Tyne September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Newcastle upon Tyne Compares to Other Months

The weather in Newcastle upon Tyne 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 Newcastle upon Tyne and find detailed weather information for every month.

September and January present contrasting weather conditions in terms of temperature and precipitation. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), making it a much warmer month with an average of 14°C (57°F). The humidity is relatively high at 87%, accompanied by 61 mm (2.4 in) of precipitation over 12 days. Conversely, January is considerably colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 14°C (58°F), and an average of 5°C (41°F). This winter month sees less precipitation at 49 mm (1.9 in) over 9 days, but the humidity is slightly higher at 89%. For more insights, check out Newcastle upon Tyne weather in January.

In September, the weather begins to transition from summer to autumn with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), averaging around 14°C (57°F). The month experiences moderate precipitation, with 61 mm (2.4 in) falling over 12 days, while humidity remains high at 87%. In contrast, February is significantly colder, with temperatures fluctuating between a minimum of -7°C (19°F) and a maximum of 16°C (62°F), with an average of 6°C (42°F). This month sees slightly more precipitation, totaling 74 mm (2.9 in) over 15 days, while the humidity also holds steady at 87%. For more detailed insights into February's conditions, you can check Newcastle upon Tyne weather in February.

When comparing the weather between September and March, notable differences emerge. September typically enjoys milder temperatures with a minimum of 4°C (40°F) and a pleasant average of 14°C (57°F), peaking at 27°C (80°F). In contrast, March experiences colder weather, with temperatures starting at a minimum of -4°C (25°F) and averaging around 7°C (45°F), with a maximum of 18°C (64°F). Both months receive similar amounts of precipitation, around 61-62 mm (2.4 in), spread over 12 days; however, September tends to feel slightly more humid at 87%, compared to March's 85%. For more detailed insights, check out Newcastle upon Tyne weather in March.

In comparing the weather between September and April, notable differences emerge in temperature and precipitation levels. September enjoys a milder climate with average temperatures ranging from a minimum of 4°C to a maximum of 27°C, while April is cooler, with temperatures dipping as low as -2°C and peaking at 23°C. Additionally, September experiences more rainfall, totaling 61 mm over 12 days, compared to April's 33 mm over just 7 days. Humidity levels are quite similar, with September at 87% and April at 84%. For more detailed information, you can check Newcastle upon Tyne weather in April.

When comparing the weather in September and May, September tends to be warmer with average temperatures around 14°C (57°F) and maximums reaching 27°C (80°F), while May has averages of 12°C (53°F) and a maximum of 24°C (76°F). Both months see a fair amount of precipitation, but September typically receives slightly more, with 61 mm (2.4 in) compared to May's 49 mm (1.9 in). Interestingly, September also experiences higher humidity levels at 87%, compared to May's 83%. For those interested in a detailed look at May weather specifics, you can visit Newcastle upon Tyne weather in May.

In comparing the weather of September and June, both months exhibit a similar maximum temperature, reaching around 27°C (81°F). However, September tends to have slightly cooler average temperatures, with a minimum of 4°C (40°F) compared to June's 6°C (43°F). Precipitation is more prevalent in June, with 75 mm (2.9 in) falling over 10 days, whereas September experiences 61 mm (2.4 in) across 12 days, contributing to its higher humidity levels at 87% versus June's 85%. For a more detailed look at June weather, you can visit Newcastle upon Tyne weather in June.

When comparing the weather in September and July, we can see distinct differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 14°C (57°F), while July is noticeably warmer, starting at a minimum of 8°C (46°F) and averaging 17°C (62°F). Although both months have a similar number of rainy days, September sees slightly less precipitation at 61 mm (2.4 in), compared to July's 73 mm (2.9 in). Additionally, September maintains a higher humidity level of 87%, compared to July's 83%, contributing to a different atmospheric feel. For further details on July's weather, you can check Newcastle upon Tyne weather in July.

In comparing the weather patterns of September and August, September tends to be slightly cooler with a minimum temperature of 4°C (40°F) and an average of 14°C (57°F), while August offers warmer conditions with a minimum of 8°C (47°F) and an average of 16°C (61°F). Both months exhibit similar maximum temperatures, peaking at around 26-27°C (80°F), but September experiences less precipitation, totaling 61 mm (2.4 in) over 12 days compared to August's 82 mm (3.2 in) across 15 days. Humidity levels are higher in September at 87%, compared to 82% in August, making the transition into autumn feel a bit more damp. For more detailed insights, you can explore Newcastle upon Tyne weather in August.

September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), with an average of 14°C (57°F), making it generally warmer. On the other hand, October's temperatures drop slightly, with a minimum of 2°C (37°F) and a maximum of 21°C (70°F), leading to a cooler average of 11°C (52°F). Additionally, October experiences slightly more precipitation, totaling 82 mm (3.2 in) over 14 days, compared to September's 61 mm (2.4 in) over 12 days. Humidity increases marginally from 87% in September to 89% in October, contributing to the overall cooler and wetter conditions of the latter month. For more detailed insights, visit Newcastle upon Tyne weather in October.

September and November present distinct contrasts in weather conditions. In September, temperatures fluctuate from a cool minimum of 4°C (40°F) to a pleasant maximum of 27°C (80°F), with an average of 14°C (57°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 12 days, accompanied by relatively high humidity at 87%. In contrast, November experiences colder temperatures, with a minimum of -2°C (28°F) and a maximum of 16°C (61°F), averaging around 8°C (46°F). Rainfall slightly increases to 63 mm (2.5 in) spread over 13 days, and humidity rises to 90%. For more detailed information, you can visit Newcastle upon Tyne weather in November.

In September, the weather is generally milder with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), and an average of 14°C (57°F). The month experiences 61 mm (2.4 in) of precipitation over approximately 12 days, coupled with a relatively high humidity level of 87%. In contrast, December brings colder temperatures, with a minimum of -4°C (24°F) and a maximum of 14°C (57°F), averaging at 6°C (42°F). Precipitation slightly increases to 69 mm (2.7 in) over about 14 days, while humidity remains quite high at 88%. For more details, you can check Newcastle upon Tyne weather in December.

Compare Newcastle upon Tyne's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Newcastle upon Tyne

As September unfolds in Newcastle upon Tyne, the transition from summer to autumn becomes evident. This month offers a pleasant mix of warm days with occasional cool evenings, making it a refreshing change from the hotter summer months. While the average temperature settles comfortably at around 14°C, it can reach highs of 27°C, providing a delightful contrast against the brisker days ahead. However, September also sees increased rainfall, with 12 days registering precipitation, contributing to a notable humidity level of 87%. This unique blend of warmth and moisture creates a vibrant atmosphere, enveloping the city in a lush, green backdrop as it prepares for the cooler months. For a deeper understanding of seasonal trends, visit Newcastle upon Tyne Climate.