September Weather in Sevenoaks, United Kingdom

Last updated: March 17, 2025

In September, Sevenoaks, United Kingdom, experiences a temperate climate characterized by a maximum temperature reaching 28°C (82°F), providing comfortable yet warm days for outdoor activities. The average temperature lingers around 15°C (59°F), while cooler evenings can drop to a minimum of 3°C (38°F). This month sees approximately 50 mm (2.0 in) of rainfall spread across 10 days, contributing to the region's lush greenery. With an humidity level averaging 80%, visitors can expect a mix of mild breezes and occasional showers, perfect for enjoying the picturesque scenery.

September Temperature in Sevenoaks

As summer fades, September in Sevenoaks brings a delightful transition with temperatures beginning to cool. The month starts with minimums around 3°C (38°F) and peaks at a comfortable 28°C (82°F), offering a pleasant average of 15°C (59°F). This month is often marked by crisp mornings and warm afternoons, making it ideal for outdoor activities as the landscape shifts into autumn hues. Interestingly, the contrast between the relatively warm summer prior and the cooling nights reflects a mild shift, setting the stage for the cooler autumn months ahead. With each passing day, the vibrant warmth of summer gives way to the refreshing embrace of fall, inviting both locals and visitors to enjoy the stunning scenery that Sevenoaks has to offer during this transition.

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

The chart illustrates September temperature patterns in Sevenoaks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656459534643
Data source: Temperature data for Sevenoaks 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 Sevenoaks

September in Sevenoaks brings a gentle shift in weather, with precipitation averaging 50 mm (2.0 in) over 10 days of rain. This marks a slight decrease from the wetter months of August and June, which saw heavier downpours, with 81 mm and 82 mm respectively. As summer gives way to autumn, September’s showers are typically softer and less frequent, signaling a transition toward the drier days of late summer. However, rainfall remains consistent enough to nourish the vibrant greenery that the region is known for, making the month a picturesque time for enjoying Sevenoaks' natural beauty.

September Precipitation Trends in Sevenoaks

The chart displays monthly precipitation patterns in Sevenoaks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec565955366882638150865691
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sevenoaks

As September arrives in Sevenoaks, the humidity sees a noticeable uptick, averaging 80%, marking a subtle yet significant shift from the drier months of summer. Following the peak summer lows of 73% in August and 76% in July, September hints at the approach of autumn, with moisture levels resembling those of early spring. This transition brings a softening warmth to the air, creating a more comfortable atmosphere as it bridges the gap towards the wetter months ahead. The subsequent rise to 89% in October indicates a return to the higher humidity levels characteristic of the later part of the year, framing September as a transitional month infused with the remnants of summer's warmth while foreshadowing the cooler, more humid days that lie ahead.

September Average Humidity in Sevenoaks

This chart illustrates the average monthly humidity levels in Sevenoaks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sevenoaks

As September arrives in Sevenoaks, the UV Index settles at a high level of 6, signaling a shift from the more intense summer months. While this is a slight decrease from August's peak of 7, sun safety remains important, as the burn time is still around 25 minutes for those with fair skin. This trend illustrates a gradual transition towards autumn, where UV exposure begins to moderate in October. However, it’s clear that as summer wanes, the need for sun protection doesn’t completely disappear. Be sure to stay informed about your UV exposure by checking the Sevenoaks UV Index to fully enjoy the sunny days ahead while safeguarding your skin.

Maximum UV Index Levels in Sevenoaks for September

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

As summer gracefully transitions into autumn, September in Sevenoaks, United Kingdom, remains a radiant gem, offering 318 hours of sunshine. While the days become shorter, this month still showcases the vitality of late summer. Following the sunny peaks of July and August, which boasted over 400 hours, September maintains a vibrant glow, although there's a noticeable decline in sunlight as the year progresses. This subtle dip signals the approach of October's cooler embrace, which brings only 248 hours of sunlight. However, the warmth of September invites residents and visitors alike to relish the lingering sunshine, marking one last hurrah before the autumn chill sets in.

Monthly Sunshine Duration in Sevenoaks: September Highlighted

The September sunshine duration represents the total number of hours Sevenoaks 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.
JanFebMarAprMayJunJulAugSepOctNovDec97h152h225h339h409h409h418h389h318h248h155h113h
Data source: Sevenoaks September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sevenoaks During September

In September, Sevenoaks, United Kingdom, experiences a 31% chance of sunny weather, marking a slight dip from the summer months. As the summer warmth begins to wane, this month demonstrates a retreat from the sunnier days of July (39%) and August (29%), which typically attract more outdoor enthusiasts. Interestingly, September's likelihood of sunshine falls in line with the cooler months that follow, including October (25%) and November (32%), suggesting a gradual transition into autumn. Overall, while sunny days in September are not guaranteed, the moderate chance still offers opportunities to enjoy the lingering warmth before the chill of fall fully sets in.

Percentage of Sunny Days in September in Sevenoaks

The chart illustrates the percentage of sunny days in Sevenoaks 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 Sevenoaks experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%33%51%35%30%39%29%31%26%32%18%
Data source: Sevenoaks September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sevenoaks in September

As summer gracefully transitions into autumn, September in Sevenoaks, United Kingdom, sees a noticeable shift in daylight duration, offering about 12 hours of sunlight each day. This marks a gentle decline from the peak of 16 hours in June and July, as the days begin to shorten following the vibrant summer months. By comparison, May's 15 hours and August's 14 hours hint at the lingering warmth, yet September heralds a return to cooler evenings and earlier sunsets. This rhythm of daylight not only reflects the changing seasons but also sets the stage for the cozy, introspective months ahead, as daylight gradually dwindles to 10 hours in October and further to 8 hours by November.

Average Daylight Hours in Sevenoaks for September

The chart illustrates the variation in daylight duration in Sevenoaks throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 25m9h 59m11h 55m13h 53m15h 36m16h 30m16h 1m14h 28m12h 34m10h 37m8h 52m7h 55m
Data source: Sevenoaks daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sevenoaks

As summer transitions into autumn, September in Sevenoaks, United Kingdom, brings a gentle shift in the winds. The average wind speed dips to 3.4 m/s (8 mph), making it one of the softer months compared to the breezier summer days. This decline reflects a gradual cooling trend, as September’s winds are calmer than those of the preceding months like July and August, which recorded speeds of 3.5 m/s (8 mph) and 3.9 m/s (9 mph) respectively. Interestingly, September's winds pave the way for a rise in October winds, which return to a brisker average of 4.5 m/s (10 mph). Thus, while September may feel more tranquil, it serves as a precursor to the invigorating currents of autumn that follow.

Average September Wind Speed in Sevenoaks

The chart displays monthly wind speed patterns in Sevenoaks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.84.53.64.43.13.53.93.4 m/s4.53.74.4
Data source: Sevenoaks September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sevenoaks Compares to Other Months

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

September and January present striking contrasts in weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a warm average of 15°C (59°F) and a high of 28°C (82°F) during the day. The month sees about 50 mm (2.0 in) of precipitation spread over 10 days, with humidity levels at 80%. In contrast, January is much colder, with temperatures dipping to a minimum of -5°C (23°F) at night, averaging just 5°C (41°F), and peaking at 14°C (57°F) during the day. The precipitation in January is slightly higher at 56 mm (2.2 in) over the same number of rainy days, and humidity rises to 91%. For a closer look at how January weather unfolds, visit Sevenoaks weather in January.

In comparing September and February weather, we see notable differences in temperatures and conditions. September experiences milder temperatures with a minimum of 3°C (38°F) and an average of 15°C (59°F), peaking at a comfortable 28°C (82°F). In contrast, February is much cooler, with minimum temperatures dropping to -7°C (19°F) and an average of 6°C (43°F), where the maximum only reaches 17°C (64°F). Additionally, February tends to be wetter with 59 mm (2.3 in) of precipitation over 13 days, compared to September's 50 mm (2.0 in) across 10 days. The humidity is also higher in February at 89%, compared to September's 80%. For more details, you can explore Sevenoaks weather in February.

In comparing the weather of September and March, it's clear that September tends to be milder and more pleasant, with average temperatures around 15°C (59°F) and highs reaching up to 28°C (82°F). In contrast, March experiences cooler temperatures, with an average of 7°C (46°F) and a maximum of 21°C (70°F), as it transitions from winter to spring. Both months see similar levels of precipitation, with September recording 50 mm (2.0 in) and March slightly higher at 55 mm (2.2 in), though March has more rainy days at 13 compared to September's 10. Additionally, humidity levels are higher in March at 86%, compared to 80% in September. For more detailed information, you can check Sevenoaks weather in March.

September and April present distinct weather patterns, with September typically enjoying warmer days and a wider temperature range. In September, temperatures average around 15°C (59°F) with daily highs reaching up to 28°C (82°F), while April's average is cooler at 9°C (49°F) and peaks at 25°C (78°F). Both months experience significant humidity, with September slightly lower at 80% compared to April's 85%. In terms of precipitation, September sees about 50 mm (2.0 in) over 10 days, while April has a bit less rainfall at 36 mm (1.4 in) across 8 days, making September a wetter month overall. For more details on April weather, check out Sevenoaks weather in April.

In comparing the weather of September and May, September generally offers warmer temperatures with an average of 15°C (59°F) and maximums reaching up to 28°C (82°F), compared to May's cooler average of 13°C (55°F) and maximums of 25°C (77°F). Although September has a lower total precipitation of 50 mm (2.0 in) over 10 days, it still experiences a humid environment with 80% humidity, similar to May's 82% humidity and slightly higher precipitation of 68 mm (2.7 in) also over 10 days. For a closer look at the specifics of May’s weather conditions, visit Sevenoaks weather in May.

When comparing the weather in September and June, we see distinct differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), while June offers warmer conditions, starting at a minimum of 7°C (45°F) and averaging 16°C (62°F). The maximum temperatures in June can reach up to 31°C (88°F), compared to September’s peak of 28°C (82°F). In terms of rainfall, September sees about 50 mm (2.0 in) over 10 days, whereas June has higher precipitation at 82 mm (3.2 in) across 9 days, indicating it’s a slightly wetter month despite similar humidity levels around 80-81%. For a more detailed look at June's weather patterns in this region, visit Sevenoaks weather in June.

In comparing the weather of September and July, noticeable differences emerge. September features a wider temperature range, with minimums dipping to 3°C (38°F) and maximums reaching up to 28°C (82°F), while the average temperature is around 15°C (59°F). In contrast, July is generally warmer, with a minimum temperature of 9°C (48°F) and maximums soaring to 36°C (97°F), coupled with an average of 18°C (65°F). Additionally, July experiences slightly higher precipitation, with 63 mm (2.5 in) over 12 days, compared to September's 50 mm (2.0 in) across 10 days. Despite being the warmer month, July has a lower humidity level at 76%, while September maintains a more humid atmosphere at 80%. For a more detailed look at July weather, you can visit Sevenoaks weather in July.

In comparing the weather of September and August, September presents a cooler climate with a minimum temperature of 3°C (38°F) and an average of 15°C (59°F), contrasting sharply with August's warmer minimum of 8°C (47°F) and an average of 18°C (64°F). The maximum temperatures also highlight this difference, as September peaks at 28°C (82°F), while August can reach a high of 34°C (93°F). Additionally, September experiences more humidity at 80%, though it has less precipitation overall, with 50 mm (2.0 in) spread over 10 days compared to August's 81 mm (3.2 in) over 13 days. For more detailed information about August weather, you can refer to Sevenoaks weather in August.

September and October display notable transitions in weather patterns. In September, temperatures range from a mild minimum of 3°C (38°F) to a comfortable maximum of 28°C (82°F), with average conditions around 15°C (59°F). The month experiences around 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by a humidity level of 80%. In contrast, October sees a drop in temperatures, with minimums reaching 0°C (33°F) and maximums peaking at 22°C (72°F), averaging 12°C (54°F). The month is wetter, accumulating 86 mm (3.4 in) of rain over about 13 days, with humidity increasing slightly to 89%. For more detailed information, you can check Sevenoaks weather in October.

September typically offers a more favorable climate compared to November, with temperatures ranging from a comfortable minimum of 3°C (38°F) to a warm maximum of 28°C (82°F) and an average of 15°C (59°F). The month sees about 50 mm (2.0 in) of rainfall over approximately 10 days, and humidity levels around 80%. In stark contrast, November experiences cooler conditions, with temperatures dipping to a minimum of -2°C (28°F) and an average of 8°C (47°F), peaking at 17°C (62°F). Precipitation slightly increases to 56 mm (2.2 in) across 11 days, and humidity rises to 92%. For a more detailed look at what to expect, you can check this link: Sevenoaks weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (82°F), averaging around 15°C (59°F). This month experiences about 50 mm (2.0 in) of precipitation over around 10 days, coupled with a humidity level of 80%. In contrast, December is significantly colder, with temperatures dropping to a minimum of -3°C (26°F) and peaking at 14°C (58°F), averaging just 6°C (44°F). Rainfall increases to 91 mm (3.6 in) over approximately 13 days, along with a higher humidity level of 92%. For more details on the December climate, you can check Sevenoaks weather in December.

Compare Sevenoaks's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sevenoaks

As September rolls in, Sevenoaks experiences a notable transition in weather, characterized by milder temperatures compared to the swelter of summer months. With an average of 15°C, it’s a refreshing change, allowing residents and visitors to enjoy the crispness of early autumn, though nighttime can dip down to a cool 3°C. While not as dry as the peak summer, September sees about 10 days of precipitation totaling around 50 mm, contributing to the lush scenery that defines this time of year. The humidity remains fairly high at 80%, adding to the freshness in the air. For a deeper dive into year-round conditions, explore Sevenoaks Climate.