September Weather in Castle Acre, United Kingdom

Last updated: March 17, 2025

In Castle Acre, United Kingdom, September brings a delightful transition from summer with a maximum temperature of 27°C (80°F), alongside a comfortable average of 15°C (59°F). As the month unfolds, temperatures dip to a refreshing minimum of 4°C (40°F). However, visitors should prepare for the occasional rainy day, as 73 mm (2.9 in) of precipitation is spread across 11 days, contributing to an overall humidity level of 84%. This blend of warmth and moisture creates a unique experience, perfect for exploring the stunning historical landscapes that define this charming village.

September Temperature in Castle Acre

In September, Castle Acre experiences a delightful transition from summer to autumn, with temperatures showcasing a comfortable range. The month starts with a minimum of 4°C (40°F), allowing for crisp mornings, while the average climbs to a pleasant 15°C (59°F), perfect for outdoor activities. The peak temperature can reach up to 27°C (80°F), inviting lingering afternoons in the sun. This gradual cooling trend marks the end of the warmer months, contrasting sharply with the highs of July and August, which flirt with the low 30s°C (80s°F). As the days shorten and the leaves begin to change, September offers a refreshing climate ideal for exploring the picturesque landscapes of this historic village.

September Weather in Castle Acre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castle Acre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414245485460646459534743
Data source: Temperature data for Castle Acre 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 Castle Acre

In September, Castle Acre experiences a notable shift in weather patterns as the summer warmth begins to wane. With 73 mm (2.9 in) of precipitation over 11 days, the month serves as a bridge between the dry spells of summer and the wetter autumn. This level of rainfall is slightly below the preceding month of August but is significant when compared to the early months of the year. The rainfall is consistent with the trend of increasing precipitation observed from June to October, as Castle Acre transitions into its rainier season. As October approaches, residents can expect even more rain, mirroring the pattern of a gradual escalation in moisture that characterizes this part of the year.

September Precipitation Trends in Castle Acre

The chart displays monthly precipitation patterns in Castle Acre, 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.
JanFebMarAprMayJunJulAugSepOctNovDec506258336679708173885583
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castle Acre

September in Castle Acre, United Kingdom, marks a subtle yet notable transition in humidity levels. With the humidity at 84%, it sits comfortably in the middle of the year's spectrum, slightly rebounding from the summer's drier months of 78% in August and 79% in July. This uptick hints at the approach of autumn, as the air begins to feel more saturated following the warmth of summer. Interestingly, the trend shows that while the months immediately following September—October and November—experience a rise in humidity, September itself is a reminder of summer's lingering influence before the cooler, wetter months take hold. Overall, this period showcases Castle Acre's characteristic shift from warm, dry days to the crisp, moist conditions that define the fall season.

September Average Humidity in Castle Acre

This chart illustrates the average monthly humidity levels in Castle Acre, 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 Castle Acre

As September rolls into Castle Acre, United Kingdom, the UV Index reflects a transition towards moderate exposure, settling at 5 with a burn time of 30 minutes. This marks a gentle decline from the high levels experienced in the summer months of July and August, where UV readings peaked at 8. As temperatures start to cool and sunlight softens, this month's UV index is reminiscent of the early spring, combining pleasant outdoor conditions with a reminder to practice sun safety. Awareness of these changes is crucial for outdoor enthusiasts; even in September, protecting your skin is essential. For more detailed insights on UV levels throughout the year, visit Castle Acre UV Index.

Maximum UV Index Levels in Castle Acre for September

The chart shows the monthly maximum UV Index (UVI) for Castle Acre 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: Castle Acre 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 Castle Acre

As summer gracefully transitions into autumn, September in Castle Acre offers a delightful 313 hours of sunshine, a commendable performance that carries over the warmth of the preceding months. This month marks a noticeable decline in daylight compared to the sun-drenched peaks of July and May, which basked in 421 and 415 hours respectively. However, September still shines brighter than the earlier months, continuing the trend of abundant sunlight that characterizes the latter part of summer. With its cozy days and cool evenings, the month serves as a perfect backdrop for leisurely strolls and enjoying the changing foliage, all while providing a sense of closure to the summer’s vibrant atmosphere before the daylight diminishes further in the fall.

Monthly Sunshine Duration in Castle Acre: September Highlighted

The September sunshine duration represents the total number of hours Castle Acre 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h153h226h344h415h396h421h393h313h244h156h111h
Data source: Castle Acre September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castle Acre During September

In Castle Acre, the likelihood of sunny weather in September hovers around 29%, making it a transitional month as summer gives way to autumn. This percentage mirrors the sunniest months of March and July, suggesting that while September can still bring pleasant sunlit days, it often also experiences the encroaching chill of fall. The sunniest period is clearly found in April, followed by a notable dip during the summer months, where July tops at 37%. As September approaches, the chance of sunny days gradually declines from the warming embrace of August (27%). Therefore, visitors can anticipate a mix of late summer warmth and early autumn coolness, perfect for enjoying the beauty of the changing landscape.

Percentage of Sunny Days in September in Castle Acre

The chart illustrates the percentage of sunny days in Castle Acre 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 Castle Acre experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%23%29%44%34%31%37%27%29%22%27%17%
Data source: Castle Acre September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castle Acre in September

As summer fades into autumn, September brings a gentle decline in daylight duration in Castle Acre, UK, offering approximately 12 hours of light each day. This marks a noticeable shift from the 16 hours experienced in the height of June and July. As daylight begins to wane, the transition signals the onset of cozy evenings and the anticipation of autumn's rich colors. Following September, October will further reduce daylight to 10 hours, emphasizing the seasonal rhythm that sees longer nights gradually enveloping the landscape. The progression from the bright, vibrant days of summer to the softer light of fall encapsulates the unique charm of Castle Acre throughout the year.

Average Daylight Hours in Castle Acre for September

The chart illustrates the variation in daylight duration in Castle Acre throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 49m16h 46m16h 15m14h 37m12h 36m10h 32m8h 40m7h 41m
Data source: Castle Acre daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Castle Acre

As September sweeps across Castle Acre, the wind begins to shift, bringing a gentle kiss from cooler days ahead. With an average wind speed of 4.1 m/s (9 mph), this month marks a subtle transition from the summer's breezy warmth, where winds were steadier at 4.6 m/s (10 mph) in August. The charming chill of early autumn starts to take hold, hinting at the faster gusts to come in October, which typically sees a resurgence to 5.6 m/s (12 mph). While September's breezes may feel softer, they evoke a sense of calm and anticipation, setting the stage for the vibrant changes that autumn will soon unfold.

Average September Wind Speed in Castle Acre

The chart displays monthly wind speed patterns in Castle Acre, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.65.24.34.64.04.04.64.1 m/s5.65.35.3
Data source: Castle Acre September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Castle Acre Compares to Other Months

The weather in Castle Acre 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 Castle Acre and find detailed weather information for every month.

September and January present contrasting weather patterns. In September, temperatures typically range from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), with an average of 15°C (59°F), creating a pleasantly warm atmosphere. Humidity is high at 84%, and the month experiences 73 mm (2.9 in) of precipitation over about 11 days, making it one of the last warm months of the year. In contrast, January brings a chillier climate with temperatures ranging from -3°C (26°F) to 14°C (57°F) and an average temperature of only 5°C (41°F). Despite being colder, January has slightly less precipitation at 50 mm (2.0 in) spread over 10 days, while humidity rises to 89%. For more detailed information, you can check out Castle Acre weather in January.

September and February exhibit distinct weather patterns that reflect the transitional nature of the seasons. In September, temperatures range from a mild 4°C (40°F) at night to a warm average of 15°C (59°F) during the day, peaking at 27°C (80°F). This month also experiences relatively high humidity at 84% and some precipitation, with 73 mm (2.9 in) falling over 11 days. In contrast, February is much colder, with temperatures dipping as low as -5°C (24°F) and averaging just 6°C (43°F), reaching a maximum of 16°C (62°F). Although precipitation is slightly less at 62 mm (2.4 in) over the same number of days, humidity remains high at 87%. The differences between these months highlight the shift from the warmth of late summer to the chill of late winter. For more detailed information, you can check out Castle Acre weather in February.

When comparing the weather in September and March, notable differences emerge. September features a more moderate temperature range with a minimum of 4°C (40°F), an average of 15°C (59°F), and a maximum of 27°C (80°F), all coupled with relatively high humidity at 84%. In contrast, March experiences cooler temperatures, with a minimum of -5°C (24°F), an average of 7°C (45°F), and a maximum of 19°C (67°F). March also sees a somewhat lower total precipitation of 58 mm (2.3 in) over 14 days, compared to September's 73 mm (2.9 in) over 11 days, but with a slightly higher humidity of 86%. For more information on March weather specifics, you can check Castle Acre weather in March.

In comparing the weather of September and April, we see notable differences in temperature and precipitation. September boasts a wider temperature range, with minimums around 4°C (40°F), averages of 15°C (59°F), and maxes reaching up to 27°C (80°F). In contrast, April experiences cooler conditions, with minimums close to 0°C (33°F), averages of only 9°C (48°F), and highs of 24°C (75°F). Precipitation is also more significant in September, with 73 mm (2.9 in) over 11 days, compared to April's more modest 33 mm (1.3 in) over just 8 days. Humidity levels remain fairly comparable, hovering around 84% in September and 85% in April. For a closer look at April weather, you can visit Castle Acre weather in April.

In comparing the weather of September and May, both months exhibit mild temperatures and moderate humidity. September typically enjoys a wider range, with temperatures varying from a minimum of 4°C (40°F) to a maximum of 27°C (80°F), leading to an average of 15°C (59°F). This month sees approximately 73 mm (2.9 in) of precipitation over 11 days, creating a slightly wetter environment. In contrast, May features cooler temperatures, with minimums around 2°C (36°F) and maximums peaking at 24°C (76°F), averaging at 12°C (54°F). May's precipitation amounts to 66 mm (2.6 in) over 12 days, making it a bit drier overall than September, although both months maintain high humidity levels, with May at 83% and September at 84%. For a closer look at May weather, visit Castle Acre weather in May.

September and June exhibit similar temperature ranges, with September experiencing a minimum of 4°C (40°F) and an average of 15°C (59°F), compared to June's slightly higher minimum of 6°C (43°F) and average of 16°C (60°F). Both months have comparable maximum temperatures, peaking at 27°C (80°F) in September and 28°C (82°F) in June. In terms of precipitation, September has a slightly lower total at 73 mm (2.9 in) with rain on 11 days, while June sees marginally more rainfall at 79 mm (3.1 in) over the same number of days. Humidity levels are also quite similar, with September at 84% and June at 83%. For more detailed information on June weather, you can visit Castle Acre weather in June.

In contrast to the warmer July, which sees minimum temperatures around 10°C (50°F) and a maximum of 32°C (89°F), September presents cooler conditions with temperatures dipping to a minimum of 4°C (40°F) and an average of 15°C (59°F). While both months experience similar levels of precipitation—70 mm (2.8 in) in July and 73 mm (2.9 in) in September—July has a slightly higher humidity at 79%, compared to September's 84%. Notably, July enjoys more warmth and longer days, making it a popular time for outdoor activities. For those interested in exploring July weather specifics, you can find more information here: Castle Acre weather in July.

In comparing the weather of September and August, September tends to be cooler with a minimum temperature of 4°C (40°F), an average of 15°C (59°F), and a maximum of 27°C (80°F). In contrast, August experiences milder conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), resulting in a warmer average of 18°C (64°F). Precipitation levels are relatively similar, with September receiving 73 mm (2.9 in) over 11 days and August slightly higher at 81 mm (3.2 in) over 12 days. Additionally, September is more humid, averaging 84% compared to August's 78%. For a detailed look at August's weather, you can visit Castle Acre weather in August.

September and October present a noticeable transition in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 27°C (80°F), with an average of 15°C (59°F). This month experiences about 73 mm (2.9 in) of precipitation across 11 days, coupled with a humidity level of 84%. In contrast, October sees a drop in temperatures, with a minimum of 3°C (38°F), an average of 12°C (54°F), and a maximum of 24°C (75°F). Precipitation increases slightly to 88 mm (3.5 in), occurring on 15 days, while humidity rises to 88%. For more detailed insights, you can refer to Castle Acre weather in October.

In September, the weather is relatively mild, with temperatures ranging from a cool 4°C (40°F) at night to a pleasant 27°C (80°F) during the day. The month experiences an average temperature of 15°C (59°F) and receives about 73 mm (2.9 in) of precipitation over 11 days, accompanied by humidity levels around 84%. In contrast, November brings a notable drop in temperatures, with daytime highs reaching only 17°C (63°F) and nighttime lows falling to 0°C (32°F). The average temperature in November is a cooler 8°C (47°F), and while the total precipitation decreases to 55 mm (2.2 in), humidity rises slightly to 89%. For more detailed insights into the weather during November, you can check Castle Acre weather in November.

In comparing the weather of September and December, notable differences emerge in temperature and precipitation patterns. September experiences milder temperatures with a minimum of 4°C (40°F) and an average of 15°C (59°F), peaking at a comfortable 27°C (80°F). This month also records less precipitation, totaling 73 mm (2.9 in) over about 11 days, while humidity averages around 84%. In contrast, December brings a significant chill, with temperatures falling to a minimum of -1°C (30°F) and only reaching a maximum of 14°C (58°F), resulting in a lower average of 6°C (43°F). Precipitation increases slightly to 83 mm (3.3 in), spread over 16 days, and humidity rises to 88%. For a more detailed look at December weather, you can check out Castle Acre weather in December.

Compare Castle Acre's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Castle Acre

As September rolls in, Castle Acre experiences a notable transition in weather, with temperatures showcasing a comfortable average that leans towards the cooler side compared to the preceding summer months. While the days can still reach a pleasant warmth, the definite drop in minimum temperatures marks a shift into the crispness of autumn. Additionally, September brings a fair share of rain, with almost a third of the month experiencing precipitation, adding to the overall humidity level that hovers around 84%. This month serves as a reminder of nature's changing rhythms and prepares the landscape for the rich colors and cooler days ahead. For more detailed insights, visit Castle Acre Climate.