September Weather in Rendlesham, United Kingdom

Last updated: March 17, 2025

September in Rendlesham, United Kingdom, is characterized by a gentle transition from summer warmth to autumn crispness. With maximum temperatures reaching 23°C (74°F) and an average of 16°C (60°F), the days remain pleasantly inviting. However, the evenings can be cooler, dipping to a minimum of 7°C (45°F). Rainfall is frequent, with 60 mm (2.4 in) spread over 11 days, leading to lush greenery but also requiring an umbrella for outdoor plans. Coupled with a high humidity level of 84%, September offers a mixed bag of weather, ideal for those who appreciate the dynamic nature of the British climate.

September Temperature in Rendlesham

In September, Rendlesham experiences a pleasant transition into early autumn, with temperatures exhibiting a comfortable range. The month begins with a minimum temperature of around 7°C (45°F), gradually rising to a max of 23°C (74°F), offering a delightful average of 16°C (60°F). This moderate climate makes September an ideal time for outdoor activities, as the lingering warmth from summer blends harmoniously with the crispness of fall. Compared to the peak summer months, this drop in temperature signals a change, inviting residents and visitors alike to enjoy the vibrant colors of the season without the sweltering heat. As the month progresses, the cooling trend continues, setting the stage for the cozy charm of autumn that awaits in October.

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

The chart illustrates September temperature patterns in Rendlesham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345485360646460554844
Data source: Temperature data for Rendlesham 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 Rendlesham

September in Rendlesham sees a precipitation amount of 60 mm (2.4 in), maintaining a trend of relatively moderate rainfall as summer transitions into autumn. With 11 rainy days, the month offers a balance of sunshine and showers, providing much-needed moisture before the heavier downpours of October, which averages 91 mm (3.6 in) and shows a noteworthy increase. This gradual shift hints at the changing seasons, with September often serving as a bridge between the vibrant summer rains and the more persistent autumnal wetness. As the landscape prepares for autumn, September’s rainfall lays a foundation for the rich hues and lush growth that follow.

September Precipitation Trends in Rendlesham

The chart displays monthly precipitation patterns in Rendlesham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec546255265563637760915495
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rendlesham

In Rendlesham, United Kingdom, September typically brings humidity levels averaging 84%, which marks a slight increase from the warmer months of July and August, where humidity dipped to 79% and 78%, respectively. This subtle rise can be attributed to the transition into autumn, as the air begins to cool and moisture levels regain some of their earlier intensity. The overall trend throughout the year showcases a pronounced high in the winter months, peaking at 89% in both January and November, while summer leads to a notable drop in humidity, suggesting a seasonal rhythm typical of this temperate climate. As September fades into the wetter autumn months, the shift in humidity hints at the impending cozy, more humid days of October.

September Average Humidity in Rendlesham

This chart illustrates the average monthly humidity levels in Rendlesham, 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%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rendlesham

As September rolls into Rendlesham, the UV Index settles at a moderate level of 5, indicative of the gradual transition from summer's intensity to the cooler months ahead. With a burn time of 30 minutes, this month encourages sun safety while still allowing for enjoyable outdoor activities. Notably, the UV Index drops from the high readings of July and August, where values peaked at 8, marking the most intense exposure periods of the year. The month of September serves as a reminder to remain vigilant, as UV levels can still be significant, especially for those with sensitive skin. Looking back, this month aligns with the trends of April and October, both experiencing similar moderate levels, suggesting a consistent pattern as the seasons shift. For more details on UV exposure levels throughout the year, check out the Rendlesham UV Index.

Maximum UV Index Levels in Rendlesham for September

The chart shows the monthly maximum UV Index (UVI) for Rendlesham 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Rendlesham 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 Rendlesham

As summer gracefully gives way to autumn, September in Rendlesham, United Kingdom, provides a bountiful 315 hours of sunshine, maintaining a delightful warmth that lingers from the hotter months. This significant decline from the peak of 422 hours in July and 399 hours in August showcases the gradual transition into fall, yet September remains a vibrant part of the annual cycle, offering ample opportunity for outdoor activities amid the softening light. As the days grow shorter, the promise of autumn's rich hues contrasts beautifully with the last vestiges of summer, inviting residents and visitors alike to savor the serene sunshine while it lasts. The month creates a perfect backdrop for enjoying nature's transitions, reminding us that even as the year winds down, there are still sunny moments to cherish.

Monthly Sunshine Duration in Rendlesham: September Highlighted

The September sunshine duration represents the total number of hours Rendlesham 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h151h231h350h418h405h422h399h315h240h156h110h
Data source: Rendlesham September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rendlesham During September

September in Rendlesham, United Kingdom, offers a 32% chance of sunny weather, which aligns with the slightly lower probabilities seen in August and June. As summer comes to a close, the likelihood of sunshine isn't quite as robust as during the peak summer months, yet it remains higher than the chillier months ahead. This trend indicates that while September might not promise the bright, long days of July, it still holds its own as a time of variable but pleasant weather, making it a lovely month for outdoor activities before autumn fully sets in. As the year progresses, the chances of sun steadily decline into the cooler fall and winter months, emphasizing the fleeting warmth of early autumn.

Percentage of Sunny Days in September in Rendlesham

The chart illustrates the percentage of sunny days in Rendlesham 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 Rendlesham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%24%33%45%36%32%38%33%32%25%30%18%
Data source: Rendlesham September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rendlesham in September

As we transition into September in Rendlesham, the days begin to shorten, with daylight lasting around 12 hours. This gradual decline follows the peak of summer, where June and July boasted a generous 16 hours of sunlight, creating an atmosphere perfect for outdoor activities. In August, daylight still lingers at 14 hours, but September marks the first significant dip as autumn approaches. The dwindling hours continue into October, dropping to 10 hours, ultimately leading us toward the darker months. This rhythmic change highlights the cyclical nature of daylight, reminding us of the shifting seasons and the cozy charm that autumn brings.

Average Daylight Hours in Rendlesham for September

The chart illustrates the variation in daylight duration in Rendlesham 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 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 46m7h 47m
Data source: Rendlesham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rendlesham

In September, the winds in Rendlesham, United Kingdom, gently breeze at an average speed of 4.6 m/s (10 mph), marking a slight decline from the summer months. This dip in wind speed contrasts sharply with February's peak of 6.4 m/s (14 mph) and highlights a gradual transition towards the brisker conditions of autumn. For context, the wind's invigorating presence peaked earlier in the year but has steadily softened since the heights of summer. As the seasons shift, the temperate air invites a tranquil environment, setting the stage for the vibrant colors of fall to unfold.

Average September Wind Speed in Rendlesham

The chart displays monthly wind speed patterns in Rendlesham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.06.45.64.95.24.24.75.34.6 m/s6.35.55.9
Data source: Rendlesham September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rendlesham Compares to Other Months

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

September and January present contrasting weather patterns in terms of temperature, precipitation, and humidity. In September, the temperatures average around 16°C (60°F), with minimums of 7°C (45°F) and maximums reaching 23°C (74°F), making it a relatively mild month. The precipitation is slightly higher at 60 mm (2.4 in), occurring over 11 days, and the humidity levels are around 84%. In contrast, January experiences much colder temperatures, averaging only 5°C (42°F), with minimums plunging to -2°C (29°F) and maximums capping at 13°C (56°F). Precipitation decreases slightly to 54 mm (2.1 in) over 10 days, while humidity rises to 89%. This significant drop in temperature and the increase in humidity highlight the stark differences between the two months. For more specific details on January weather, you can refer to Rendlesham weather in January.

In comparing the weather between September and February, we can see notable differences in temperature and conditions. September enjoys a mild temperature range with a minimum of 7°C (45°F) and an average of 16°C (60°F), peaking at a comfortable 23°C (74°F). In contrast, February is much colder, with a minimum of -3°C (27°F) and an average temperature of only 6°C (43°F), reaching a maximum of 13°C (56°F). Both months experience similar levels of precipitation, with September recording 60 mm (2.4 in) over 11 days, while February sees slightly more, at 62 mm (2.4 in) over 12 days. Humidity is also higher in February at 87%, compared to September's 84%. For a detailed look at February weather specifics, you can refer to Rendlesham weather in February.

September and March showcase contrasting weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 16°C (60°F). The month sees about 60 mm (2.4 in) of precipitation over 11 days, accompanied by relatively high humidity at 84%. In contrast, March experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 16°C (61°F), averaging just 7°C (45°F). This month receives slightly less precipitation at 55 mm (2.1 in) over 13 days, with humidity rising to 86%. For more detailed information about March weather, you can visit Rendlesham weather in March.

In comparing the weather of September and April, it’s clear that September tends to be warmer and wetter. September boasts an average temperature of 16°C (60°F), with highs reaching up to 23°C (74°F), while April lags behind with an average of only 9°C (48°F) and a maximum of 18°C (65°F). Additionally, September experiences more precipitation, totaling 60 mm (2.4 in) over 11 days, compared to April's 26 mm (1.0 in) across just 7 days. Interestingly, both months have similar humidity levels, with September at 84% and April slightly higher at 85%. For a closer look at the specifics of April weather, you can visit Rendlesham weather in April.

September and May present distinct weather profiles, each with its own characteristics. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), averaging around 16°C (60°F), while May has cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 21°C (70°F), averaging 12°C (53°F). Precipitation levels are slightly higher in September, with 60 mm (2.4 in) over 11 days compared to May's 55 mm (2.1 in) over the same number of days. Humidity remains quite similar in both months, with September at 84% and May just slightly lower at 83%. For more detailed information, you can check Rendlesham weather in May.

When comparing the weather in September and June, both months exhibit similar temperature ranges, with June having a slightly higher minimum temperature of 8°C (47°F) compared to September’s 7°C (45°F). The average temperatures are consistent, resting at around 15°C (60°F) in June and climbing to 16°C (60°F) in September. Interestingly, both months peak at a maximum of 23°C (74°F). Rainfall is comparable as well, with September receiving 60 mm (2.4 in) over 11 days and June experiencing 63 mm (2.5 in) over 9 days. Humidity levels are also closely aligned, with September at 84% and June at 83%. For more detailed information about June’s weather, you can check Rendlesham weather in June.

In comparing the weather of September and July, September tends to be cooler with a minimum temperature of 7°C (45°F) and an average of 16°C (60°F), while July enjoys warmer conditions, with a minimum of 11°C (52°F) and an average of 18°C (64°F). The maximum temperature in July reaches up to 28°C (82°F), significantly higher than September’s max of 23°C (74°F). Both months experience similar levels of precipitation, with September at 60 mm (2.4 in) over 11 days and July slightly wetter at 63 mm (2.5 in) over 12 days. Humidity is also a bit higher in September at 84%, compared to July's 79%. For a closer look at July's weather specifics, check out Rendlesham weather in July.

In comparing the weather between August and September, we see a noticeable shift in both temperature and precipitation patterns. September experiences cooler temperatures, with minimums dropping to 7°C (45°F), compared to August's minimum of 10°C (51°F). The average temperature in September is 16°C (60°F), while August holds a warmer average of 18°C (65°F), peaking at 26°C (80°F) in August. Additionally, September sees a slight increase in precipitation, totaling 60 mm (2.4 in) over 11 days, compared to August's 77 mm (3.0 in) during the same number of days. Humidity levels also rise in September to 84%, up from 78% in August. For a more detailed look at August weather, check out Rendlesham weather in August.

September and October bring noticeable changes in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 16°C (60°F). Precipitation is relatively moderate, totaling 60 mm (2.4 in) over 11 days, and humidity sits at 84%. In contrast, October sees a slight drop in temperature, with minimums around 5°C (41°F) and maximums reaching 21°C (70°F), leading to an average of 13°C (55°F). The month also experiences increased rainfall, with precipitation rising to 91 mm (3.6 in) over 13 days and humidity climbing to 88%. For more detailed information about October's weather, you can visit Rendlesham weather in October.

In comparing the weather of September and November, we can observe a marked shift in temperatures and humidity levels. September generally enjoys milder conditions, with average temperatures reaching 16°C (60°F) and maximums peaking at 23°C (74°F), while November sees a significant drop, with average temperatures down to 9°C (48°F) and maximums not exceeding 17°C (62°F). Additionally, both months experience considerable humidity, but November's levels are slightly higher at 89% compared to September's 84%. Precipitation patterns also differ slightly, with September receiving 60 mm (2.4 in) over 11 days, while November sees 54 mm (2.1 in) over 12 days. For more detailed insights, you can check Rendlesham weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (74°F) and an average of 16°C (60°F). The month sees about 60 mm (2.4 in) of precipitation over 11 days, along with a humidity level of 84%. In contrast, December brings colder temperatures, with a minimum of 0°C (33°F) and a maximum of 14°C (57°F), averaging at 7°C (44°F). This month experiences higher precipitation levels of 95 mm (3.7 in) over 15 days and an increased humidity of 88%. For more detailed information on December's weather, you can check Rendlesham weather in December.

Compare Rendlesham's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rendlesham

As September unfolds in Rendlesham, the transition from the warm summer months to the cooler autumn days becomes evident. While the maximum temperature still reaches a pleasant 23°C, the overall average dips, creating a cozy atmosphere that invites outdoor activities. However, this month also brings increased rainfall, with notable humidity levels hovering around 84%, making for a refreshing, albeit damp environment. Compared to the hotter and drier summer months, September's weather signals a gentle return to cooler times, perfect for enjoying the captivating changes of the season. For those curious about the broader climate trends in the area, explore more at Rendlesham Climate.