September Weather in Chessington, United Kingdom

Last updated: March 17, 2025

September in Chessington, United Kingdom brings a mild climate characterized by a maximum temperature of 28°C (83°F), averaging around 15°C (59°F), while cooler nights may dip to a minimum of 3°C (38°F). This month experiences approximately 45 mm (1.8 in) of rainfall spread over 9 days, contributing to a relatively high humidity level of 82%. Visitors can expect a blend of pleasant warmth and refreshing showers, perfect for enjoying both outdoor activities and cozy indoor moments.

September Temperature in Chessington

September in Chessington, United Kingdom, marks a delightful transition into autumn, with temperatures showing a refreshing shift. The month starts off with a minimum of 3°C (38°F), ensuring a crisp start to fall, while the average temperature settles around 15°C (59°F), providing a comfortable backdrop for outdoor activities. On warmer days, temperatures can peak at a pleasant 28°C (83°F), reminiscent of summer's lingering warmth. Compared to the sweltering heat of July and August, September offers a welcome reprieve, balancing cooler mornings and invigorating afternoons. This blend of temperatures not only enhances the scenic beauty of the area but also invites locals and tourists alike to embrace the changing season.

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

The chart illustrates September temperature patterns in Chessington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656359534643
Data source: Temperature data for Chessington 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 Chessington

September in Chessington, United Kingdom, marks a transition with 45 mm (1.8 in) of precipitation over 9 days. As summer fades, rainfall decreases compared to the preceding months, notably down from August's 74 mm and closer to the more moderate levels of spring. This steady dip in precipitation reflects the gradual shift from the wettest months of the year, June and October, where rainfall frequently exceeds 80 mm. The early autumn presents a pleasant balance, allowing residents to enjoy the changing foliage while still experiencing the occasional refreshing shower, setting the stage for the wetter months ahead.

September Precipitation Trends in Chessington

The chart displays monthly precipitation patterns in Chessington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec535656356482667446865688
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chessington

In Chessington, United Kingdom, September marks a subtle transition in humidity levels as the summer warmth fades. With an average humidity of 82%, this month sits comfortably between the drier summer months of July (71%) and August (76%) and the wetter autumnal onset, reflected in October's rise to 90%. Following a gradual decline from a high of 91% in January, September's humidity indicates a modest increase from the summer lows, suggesting a slight return of moisture in the air. This trend highlights a seasonal shift, creating a more comfortable atmosphere as it bridges the transition into autumn.

September Average Humidity in Chessington

This chart illustrates the average monthly humidity levels in Chessington, 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%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chessington

As September unfolds in Chessington, the UV Index remains a notable 6, indicating a high risk of harm from unprotected sun exposure. This month marks a slight dip from the peak of 8 recorded in July, yet it still necessitates caution, especially during midday hours when burn time is limited to 25 minutes. With the transition toward autumn, residents should remain vigilant about sun safety practices, as the sun's intensity gradually decreases, reflecting the more moderate levels seen in October. It's a reminder that even as summer wanes, UV rays continue to pose risks. Prepare for sun exposure by following the trends in the UV Index throughout the year; for more detailed information, visit Chessington UV Index.

Maximum UV Index Levels in Chessington for September

The chart shows the monthly maximum UV Index (UVI) for Chessington 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Chessington 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 Chessington

As the summer wanes in Chessington, September shines with a commendable 309 hours of sunlight, reflecting a gradual decrease from the peak of 405 hours in May. This month stands out as a transition, with sunny days lingering before the more overcast months of autumn set in. Notably, the sun-drenched days of July and August, boasting 408 and 375 hours respectively, create a vivid backdrop for the onset of fall. The steady decline from the vibrant summer months illustrates a natural rhythm, suggesting that while September may usher in cooler weather, it still holds onto significant sunshine, allowing residents to savor the last golden days of the year before the sun retreats further in October and beyond.

Monthly Sunshine Duration in Chessington: September Highlighted

The September sunshine duration represents the total number of hours Chessington 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h148h209h326h405h396h408h375h309h244h149h112h
Data source: Chessington September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chessington During September

In September, Chessington, United Kingdom, experiences a 30% chance of sunny weather, making it a favorable time for outdoor activities as summer starts to wane. While this figure reflects a modest likelihood compared to the milder months, it remains an improvement over the earlier summer months like June and August, which see lower percentages of sun at 29% and 27%, respectively. This trend suggests that as the season transitions into autumn, the days can still hold onto a bit of summer's warmth, making September a pleasant time to enjoy the outdoors before the weather cools significantly. Thus, while it's not the sunniest month, the 30% chance offers a decent opportunity for sunny escapades amidst the changing leaves.

Percentage of Sunny Days in September in Chessington

The chart illustrates the percentage of sunny days in Chessington 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 Chessington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%33%51%35%29%39%27%30%26%33%19%
Data source: Chessington September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chessington in September

As September unfolds in Chessington, United Kingdom, daylight begins its gradual retreat, offering a balance with approximately 12 hours of sunshine each day. This marks a notable shift from the longer, sun-soaked days of summer, where July and June bask in up to 16 hours of light. As the calendar transitions from the vibrant days of August, with its 14 hours, to the deeper hues of autumn, the daylight duration starts to echo the incoming chill of October, which will bring only 10 hours of daylight. This harmonic interplay between light and dark not only sets the stage for changing seasons but also invites residents to savor the last golden moments of daylight before the longer nights of winter descend.

Average Daylight Hours in Chessington for September

The chart illustrates the variation in daylight duration in Chessington throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 36m16h 29m16h 1m14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Chessington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chessington

As September unfolds in Chessington, United Kingdom, the average wind speed settles at a gentle 3.3 m/s (7 mph), marking a slight dip from the summer months. This decrease follows the trend observed over the warmer season, where wind speeds hovered around 3.8 m/s in August and peaked at 4.8 m/s in February. The transition into autumn reveals a pattern of declining winds, reminiscent of the calm before winter’s breezier conditions return in October, with winds expected to pick up again to 4.4 m/s (10 mph). September's soft breezes create a tranquil atmosphere, inviting residents to enjoy the lush landscapes as they prepare for the changing seasons ahead.

Average September Wind Speed in Chessington

The chart displays monthly wind speed patterns in Chessington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.84.43.54.43.13.43.83.3 m/s4.43.74.4
Data source: Chessington September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chessington Compares to Other Months

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

In September, the weather tends to be milder with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). The month experiences 45 mm (1.8 in) of precipitation over approximately 9 days, accompanied by a relatively lower humidity level of 82%. In contrast, January is significantly colder, featuring temperatures that range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of just 5°C (41°F). This month sees slightly more precipitation at 53 mm (2.1 in) over about 10 days, along with a higher humidity of 91%. For a detailed look at the weather conditions during this chilly month, you can visit Chessington weather in January.

September and February showcase quite different weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant average of 15°C (59°F), peaking at a comfortable 28°C (83°F). This month receives about 45 mm (1.8 in) of precipitation over 9 days, with humidity averaging around 82%. In contrast, February experiences much cooler conditions, with temperatures dropping to a minimum of -7°C (19°F) and an average of 6°C (43°F), while reaching a maximum of 18°C (64°F). Precipitation is slightly higher, totaling 56 mm (2.2 in) across 11 days, and humidity rises to 89%. For more specific details, you can check Chessington weather in February.

When comparing the weather in September and March, notable differences emerge. September generally enjoys milder temperatures, showcasing a minimum of 3°C (38°F), an average of 15°C (59°F), and a maximum of 28°C (83°F), while March presents a chillier landscape with lows of -6°C (22°F), an average of 7°C (46°F), and highs reaching 21°C (71°F). Precipitation is slightly higher in March, totaling 56 mm (2.2 in) over 13 days compared to September's 45 mm (1.8 in) over 9 days, indicating a wetter month. Humidity levels are also elevated in March at 86%, compared to September’s 82%. For more specific details on March's climate, you can visit Chessington weather in March.

In comparing the weather between September and April, September tends to be warmer, with average temperatures around 15°C (59°F) and a maximum of 28°C (83°F), while April experiences lower averages at 9°C (49°F) and a maximum of 25°C (78°F). Humidity levels are quite similar, with September at 82% and April slightly higher at 85%. Precipitation is also comparable, as September receives 45 mm (1.8 in) over approximately 9 days, while April has 35 mm (1.4 in) spread over 8 days. For more specific insights about April weather, you can check Chessington weather in April.

In comparing the weather of September and May, we see notable differences. September typically experiences slightly warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), averaging around 15°C (59°F). In contrast, May tends to be cooler, with a minimum of 1°C (33°F) and a maximum of 26°C (78°F), and an average temperature of 13°C (55°F). Although September has less total precipitation at 45 mm (1.8 in) across 9 days, it is quite close to May's precipitation of 64 mm (2.5 in) over 10 days. Humidity levels are also relatively high in both months, with September registering at 82% and May slightly lower at 79%. For a more detailed look at the weather during May, you can visit Chessington weather in May.

In comparing the weather of September and June, notable differences emerge in temperature and precipitation. September sees a broader temperature range with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), averaging around 15°C (59°F). In contrast, June starts off warmer, with a minimum temperature of 7°C (45°F) and a maximum of 31°C (88°F), averaging about 16°C (62°F). Precipitation is higher in June, accumulating 82 mm (3.2 in) over 9 days compared to September's 45 mm (1.8 in) over the same number of days. Humidity levels are slightly elevated in September at 82%, while June holds a close 80%. For more detailed information, you can check Chessington weather in June.

In comparing the weather between September and July, we see significant differences in temperature and humidity. September experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), whereas July boasts warmer conditions, with minimum temperatures around 8°C (48°F) and an average of 18°C (65°F). July can reach maximum highs of 35°C (96°F), significantly higher than September's maximum of 28°C (83°F). Furthermore, September tends to be more humid at 82% compared to July's 71%, which might make those warm summer days feel a bit more comfortable. Rainfall is also more pronounced in July, with 66 mm (2.6 in) over 11 days, compared to September's 45 mm (1.8 in) over 9 days. For more details, check out Chessington weather in July.

In comparing the weather of September to that of August, we see distinct shifts in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), compared to August's warmer minimum of 8°C (46°F) and average of 17°C (64°F). The maximum temperatures also decline from 33°C (91°F) in August to 28°C (83°F) in September. Additionally, while September sees less precipitation at 45 mm (1.8 in) over 9 days, August is wetter with 74 mm (2.9 in) spread across 12 days. Humidity levels remain higher in September at 82%, compared to 76% in August. For more detailed information about August weather, you can refer to Chessington weather in August.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The month sees about 45 mm (1.8 in) of precipitation over 9 days, with a humidity level of 82%. In contrast, October brings cooler temperatures, with a minimum of 0°C (33°F), an average of 12°C (54°F), and a maximum of 22°C (72°F). It also experiences increased rainfall, totaling 86 mm (3.4 in) across 13 days, and a higher humidity level of 90%. For more detailed information, you can check Chessington weather in October.

In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The month sees about 45 mm (1.8 in) of precipitation over 9 days, coupled with a relatively comfortable humidity level of 82%. In contrast, November brings a noticeable drop in temperatures, with a minimum of -2°C (28°F) and a maximum of 16°C (62°F), averaging 8°C (47°F). The precipitation increases slightly to 56 mm (2.2 in) over 11 days, and humidity rises to 92%, making it feel much wetter and colder. For more detailed information on the November climate, you can check Chessington weather in November.

September weather features a more varied temperature range, with minimums around 3°C (38°F) and maximums reaching up to 28°C (83°F), resulting in an average of 15°C (59°F). The month experiences moderate precipitation, with about 45 mm (1.8 in) over approximately 9 days and a lower humidity level at 82%. In contrast, December brings colder temperatures, with the minimum dropping to -4°C (26°F) and the maximum only reaching 15°C (58°F), leading to a cooler average of 6°C (44°F). Additionally, December sees increased rainfall totaling 88 mm (3.5 in) spread over 14 days, and the humidity rises to 92%. For more specific information about December conditions, you can refer to Chessington weather in December.

Compare Chessington's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chessington

As summer transitions to autumn, September in Chessington offers a unique tapestry of weather. With average temperatures hovering around a mild 15°C (59°F) and the occasional peak reaching a warm 28°C (83°F), this month showcases a blend of seasonal change. Notably, the higher humidity levels at 82% combined with almost 10 days of precipitation make for a diverse weather experience, setting September apart from the drier, sunnier summer months. If you're planning a visit, it's advisable to carry an umbrella and enjoy the crisp air as nature prepares for the cooler months ahead. For more detailed insights into what to expect, check out Chessington Climate.