September Weather in New Quay, United Kingdom

Last updated: March 17, 2025

In September, New Quay, United Kingdom, experiences a blend of temperate weather, making it a captivating time to visit. With maximum temperatures reaching 26°C (78°F) and an average of 14°C (58°F), the month offers moderate warmth, although chilly nights can dip to a minimum of 5°C (41°F). However, with 131 mm (5.2 in) of rainfall over 18 days, travelers should be prepared for occasional showers. The high humidity level of 85% adds a touch of mugginess to the coastal air, enhancing the distinct maritime atmosphere that defines this charming seaside town.

September Temperature in New Quay

In September, New Quay, United Kingdom, experiences a pleasant transition from summer to autumn, with temperatures offering a delightful mix of warmth and crispness. The month begins with a minimum temperature of 5°C (41°F), setting a comfortable tone as evenings turn cooler. With an average temperature of 14°C (58°F) and a maximum reaching 26°C (78°F), September showcases some of the last warm days of the year, making it ideal for outdoor activities. This upward trend from the preceding months highlights a lingering summer vibe before the cooler autumn sets in, inviting both locals and visitors to savor the mild weather before the chill of October arrives.

September Weather in New Quay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Quay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434345485258616057534845
Data source: Temperature data for New Quay 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 New Quay

September in New Quay, United Kingdom, marks a noticeable peak in precipitation, with 131 mm (5.2 in) of rainfall recorded over 18 days. This aligns closely with August, which also experienced significant rainfall, suggesting that the transition from summer to autumn brings sustained dampness to the region. As the month progresses, the weather begins to hint at the heavy rains that October is known for, which averages 169 mm and sees an increase in rainy days. Interestingly, the overall trend shows a gradual rise in precipitation as the year moves toward winter, with September serving as a bridge between the summer months—characterized by sporadic showers—and the wet conditions typical of late autumn.

September Precipitation Trends in New Quay

The chart displays monthly precipitation patterns in New Quay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec103133127618510398128131169149179
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Quay

As summer gives way to autumn in New Quay, September humidity typically rises to 85%, reflecting a shift as the warmer months fade. This month serves as a transitional phase, with humidity levels noticeably higher than the drier July and August, which hover around 78% and 79% respectively. Following September, humidity levels rise sharply again, peaking at 90% in October, suggesting the approach of more intense weather patterns typical of winter months. Overall, while September marks a refreshing change from the summer heat, it also foreshadows the dampness that the impending fall and winter seasons will bring.

September Average Humidity in New Quay

This chart illustrates the average monthly humidity levels in New Quay, 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%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Quay

As September unfolds in New Quay, the UV Index hovers at a moderate to high rating of 6, signaling a notable shift in sun intensity as summer transitions into autumn. With this level, the exposure category remains high, requiring sunseekers to be mindful, as burn time drops to 25 minutes for unprotected skin. This month mirrors the patterns seen in the warmer months, particularly August, which had a similar UV Index of 7, and highlights the tail end of increased solar exposure as the region prepares for the cooler days ahead. As with previous months, it’s essential to stay informed about daily UV levels to enjoy the sun safely. For more detailed insights, check out New Quay UV Index.

Maximum UV Index Levels in New Quay for September

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

In New Quay, UK, September brings a delightful transition, showcasing an impressive 315 hours of sunshine. This marks a significant dip from the sun-drenched peaks of July and August, where residents and visitors alike enjoyed 423 and 382 hours, respectively. However, September still stands out as a vibrant month, comfortably surpassing earlier months like April and May, which recorded 336 and 413 hours. The gradual decline in sunshine hours, typical of the autumn season, hints at the cozy charm that accompanies the approaching cooler months. As October looms with its 240 hours, September serves as a delightful farewell to summer, offering just enough warmth and light to savor the beauty of New Quay's coastal landscape.

Monthly Sunshine Duration in New Quay: September Highlighted

The September sunshine duration represents the total number of hours New Quay 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.
JanFebMarAprMayJunJulAugSepOctNovDec97h156h226h336h413h406h423h382h315h240h131h106h
Data source: New Quay September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in New Quay During September

In New Quay, United Kingdom, the likelihood of sunny weather takes a nuanced turn in September, with a 25% chance of sunshine. This marks a slight decline from the more promising 53% seen in April, suggesting that while summer's warmth is still lingering, autumn is starting to cast its shadow. Notably, September’s sun chances outshine the dismal October, which drops to 16%, yet remain lower than the peak of the summer months. Looking at the broader trend, while the late spring and early summer months boast higher percentages, the sun’s frequency in September offers a hopeful glimmer for those looking to enjoy the tail end of summer in this charming coastal town.

Percentage of Sunny Days in September in New Quay

The chart illustrates the percentage of sunny days in New Quay 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 New Quay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%27%53%31%26%38%28%25%16%22%20%
Data source: New Quay September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in New Quay in September

As summer fades and autumn approaches in New Quay, September offers a gentle transition with an average of 12 hours of daylight. This marks a slight decrease from the 14 hours enjoyed in August, highlighting the shift from the warm, sun-filled days of summer to the cooler months ahead. The daylight gradually dims, following a consistent trend evident from the peak of 16 hours in June and July, down to 8 hours by November. This rhythm not only shapes the daily routines of locals but also invites a moment of reflection as the beautiful coastal landscapes transform beneath the changing sky. As September unfolds, the balance between light and darkness reminds us of the cyclical nature of the seasons in this picturesque corner of the UK.

Average Daylight Hours in New Quay for September

The chart illustrates the variation in daylight duration in New Quay throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 57m15h 44m16h 39m16h 10m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: New Quay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in New Quay

As September arrives in New Quay, United Kingdom, the wind begins to soften, with an average speed of 3.6 m/s (8 mph), marking one of the calmer months of the year. This gentle breeze is a stark contrast to the brisk winds found earlier in the year, particularly in February with its peak of 6.3 m/s (14 mph). The transition into autumn sees a noticeable decline in wind activity, as July and August also show lower averages, at 3.2 m/s (7 mph) and 4.3 m/s (10 mph) respectively. While October brings a slight resurgence in wind with 5.8 m/s (13 mph), September's tranquil conditions are perfect for enjoying coastal strolls and absorbing the beauty of the changing season.

Average September Wind Speed in New Quay

The chart displays monthly wind speed patterns in New Quay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.36.35.33.94.73.83.24.33.6 m/s5.85.05.8
Data source: New Quay September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in New Quay Compares to Other Months

The weather in New Quay 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 New Quay and find detailed weather information for every month.

September and January present stark contrasts in weather. In September, temperatures range from a mild 5°C (41°F) at night to a warm 26°C (78°F) by day, with an average of 14°C (58°F). This month experiences significant rainfall, with 131 mm (5.2 in) over 18 days, and humidity levels sit at a high 85%. In contrast, January is much colder, with temperatures dipping to a minimum of -2°C (29°F) and peaking at 13°C (56°F), averaging just 6°C (43°F). Although precipitation is slightly lower at 103 mm (4.1 in) over 14 days, humidity rises to 89%. For more details, you can check New Quay weather in January.

September and February present quite contrasting weather conditions. In September, temperatures range from a mild minimum of 5°C (41°F) to a pleasant maximum of 26°C (78°F), with an average of 14°C (58°F). The month experiences significant rainfall, with precipitation reaching 131 mm (5.2 in) over 18 days, all accompanied by relatively high humidity at 85%. In contrast, February offers much cooler temperatures, with a minimum of -4°C (24°F) and a maximum of only 16°C (60°F), resulting in an average of 6°C (44°F). Despite the similar total precipitation of 133 mm (5.2 in) over the same number of days, February's humidity is slightly higher at 88%. For a deeper look at February’s weather, check out New Quay weather in February.

In comparing the weather of September and March, we observe a significant difference in temperature. September enjoys a milder climate, with minimum temperatures around 5°C (41°F) and a pleasant average of 14°C (58°F), peaking at a maximum of 26°C (78°F). In contrast, March is considerably cooler, with minimum temperatures dipping to -5°C (23°F) and an average of just 7°C (45°F), reaching a maximum of 17°C (63°F).

Both months experience similar levels of precipitation, with September recording 131 mm (5.2 in) and March slightly less at 127 mm (5.0 in), each having about 18 days of rainfall. Humidity levels are also comparable, with September at 85% and March slightly higher at 86%. For a more detailed look at March weather in New Quay, check out this link: New Quay weather in March.

September and April present distinct weather patterns, with September generally being warmer and wetter. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), with an average of 14°C (58°F). The month sees substantial precipitation at 131 mm (5.2 in) over 18 days, resulting in high humidity levels of 85%. In contrast, April experiences cooler weather, where temperatures range from a low of 0°C (32°F) to a high of 20°C (69°F), averaging 9°C (48°F). Precipitation in April is lower, totaling 61 mm (2.4 in) over just 11 days, while humidity remains similar at 84%. For more details, you can check New Quay weather in April.

In comparing the weather of September and May, it is clear that September tends to be slightly warmer with an average temperature of 14°C (58°F) compared to May's 11°C (53°F). While both months experience moderate rainfall, September has higher precipitation levels at 131 mm (5.2 in) over 18 days, contrasting with May's 85 mm (3.4 in) spread over 13 days. Humidity also plays a significant role, being higher in September at 85%, compared to 79% in May. Overall, September offers warmer temperatures but with a higher chance of rain and humidity. For more details, check New Quay weather in May.

When comparing the weather in September and June, we see that both months share a similar average temperature of 14°C (58°F), with maximums reaching 26°C (79°F) in June and 26°C (78°F) in September. However, September tends to be a bit cooler overall, with minimum temperatures dropping to 5°C (41°F), compared to June’s minimum of 7°C (45°F). Furthermore, September experiences more rainfall, with 131 mm (5.2 in) over 18 days, while June has 102 mm (4.0 in) over 16 days, indicating a wetter end to summer. Humidity levels are slightly higher in September at 85%, compared to 81% in June. For a detailed look at June's weather, you can visit New Quay weather in June.

When comparing the weather in September and July, we notice some interesting contrasts. September tends to have slightly cooler temperatures with a minimum of 5°C (41°F) and an average of 14°C (58°F), while July starts off a bit warmer, with a minimum of 8°C (47°F) and an average of 16°C (61°F). Both months can reach a maximum of 26°C (78°F), but September experiences more precipitation, at 131 mm (5.2 in) over 18 days compared to July's 98 mm (3.9 in) across 15 days. Additionally, September has higher humidity levels at 85%, compared to July's 78%, making September feel a bit more clammy. For more details on July weather, you can check out New Quay weather in July.

In comparing the weather between August and September, we observe notable differences. September tends to be slightly cooler, with a minimum temperature of 5°C (41°F) compared to August's minimum of 9°C (49°F). The average temperature in September is 14°C (58°F), while in August, it is slightly warmer at 16°C (61°F). However, both months experience similar levels of precipitation, with September totaling 131 mm (5.2 in) over 18 days and August slightly less at 127 mm (5.0 in) over 21 days. Humidity levels also rise in September to 85%, compared to August's 79%. For more detailed information on August weather, you can check New Quay weather in August.

In comparing the weather of September and October, we see a notable shift in temperature and precipitation patterns. September starts off relatively mild, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), while October cools down significantly, with temperatures dipping to a minimum of 0°C (33°F) and a maximum of 20°C (69°F). Additionally, October experiences increased precipitation, totaling 169 mm (6.6 in) over 21 days, compared to September's 131 mm (5.2 in) over 18 days. Humidity also rises slightly in October to 90%, up from 85% in September. For more details about October weather specifics, visit New Quay weather in October.

September and November present distinctly different weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), with an average of 14°C (58°F). This month experiences 131 mm of precipitation over 18 days, accompanied by a relatively high humidity of 85%. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of 1°C (33°F) and only reaching a maximum of 15°C (60°F), averaging around 9°C (48°F). The precipitation increases slightly to 149 mm over 20 days, and humidity further rises to 91%. These factors create a significantly chillier and wetter environment in November compared to September. For more details on the weather in November, check out New Quay weather in November.

September weather presents a more temperate climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (78°F), leading to an average of 14°C (58°F). In contrast, December is significantly cooler, with temperatures dipping to a minimum of 0°C (33°F) and peaking at just 13°C (55°F), resulting in a much colder average of 7°C (45°F). Both months experience notable precipitation, but December records 179 mm (7.0 in) over 22 days, compared to September's 131 mm (5.2 in) across 18 days. Humidity levels are also slightly higher in December at 89%, compared to September's 85%. For more details on the specific conditions you can expect, check out New Quay weather in December.

Compare New Quay's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in New Quay

As September unfolds in New Quay, the weather begins to transition from the warmth of summer to the crispness of autumn. With temperatures averaging around 14°C (58°F), this month offers a refreshing change, contrasting sharply with the hotter days experienced in July and August. While occasional heatwaves can see peaks of up to 26°C (78°F), the cooler nights can drop to a brisk 5°C (41°F). Moreover, with precipitation occurring on 18 days and a humidity level of 85%, September stands out as a wetter month—preparing the landscape for the vibrant colors of fall. This blend of fluctuating temperatures and increased rainfall makes September a unique time to explore New Quay’s stunning scenery. For a deeper dive into the region's weather patterns, visit New Quay Climate.