September Weather in Tetbury, United Kingdom

Last updated: March 17, 2025

In September, Tetbury, United Kingdom experiences a warm transition into autumn, with maximum temperatures reaching 29°C (84°F) and an average of 14°C (58°F), while cooler nights hover around a minimum of 3°C (37°F). This month sees an average humidity of 82%, contributing to a refreshing atmosphere despite the 53 mm (2.1 in) of rainfall spread over 8 days. Whether basking in the sun or enjoying the crisp evening air, September in Tetbury offers a delightful blend of warmth and seasonal change.

September Temperature in Tetbury

In September, Tetbury experiences a delightful transition from the height of summer to the crispness of autumn. With minimum temperatures around 3°C (37°F) and maximums reaching up to 29°C (84°F), the month offers a comfortable range for outdoor activities. The average temperature settles at 14°C (58°F), striking a pleasant balance that lures both locals and visitors to enjoy the stunning surroundings. As the days gradually become shorter, the warmth of early fall creates the perfect backdrop for exploring Tetbury's charming streets and the vibrant countryside. This blend of warm days and cool nights hints at the seasonal shift, making September a wonderful time to experience the beauty of this historic town.

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

The chart illustrates September temperature patterns in Tetbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345485460646258524643
Data source: Temperature data for Tetbury generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Tetbury

September in Tetbury witnesses a shift in precipitation dynamics as the summer months give way to autumn. With 53 mm (2.1 in) of rain spread over just 8 days, the weather turns slightly drier compared to the preceding months, where July and August both recorded 73 mm (2.9 in). This reduction in rainfall marks a notable transition, as October looms ahead with a forecasted increase to 96 mm (3.8 in) and 14 days of precipitation. As the region prepares for cooler days and greyer skies, the relatively light showers of September play a crucial role in saturating the soil before the more robust autumn rains begin.

September Precipitation Trends in Tetbury

The chart displays monthly precipitation patterns in Tetbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec536068487473637353966686
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tetbury

In September, Tetbury experiences a noticeable shift in humidity, with levels averaging around 82%. This marks a slight increase from the drier summer months of July and August, when humidity dipped to 71% and 76%, respectively. As the transition into autumn begins, moisture levels gradually rise, signaling the end of warmer days and the onset of cooler weather. The pattern of humidity in Tetbury reveals a trend of high moisture content throughout the year, particularly in the colder months of October (90%) and November (92%), suggesting that the area retains a consistent level of dampness, particularly as it moves away from the summer season. Overall, September serves as a bridge between the warmth of summer and the wetter, chillier months ahead.

September Average Humidity in Tetbury

This chart illustrates the average monthly humidity levels in Tetbury, 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 Tetbury

As September unfolds in Tetbury, the UV Index settles at a high level of 6, with a burn time of 25 minutes for unprotected skin. This marks a slight decline from the scorching heights of summer, where July and August enjoyed a peak of 8; however, precautions are still necessary. Compared to earlier months, such as March and April with moderate readings of 4 and 5, September reminds us that the sun can still be potent even as the days begin to cool. As autumn approaches, maintaining skin protection remains important, particularly during midday hours when UV rays are most intense. For more detailed insights into UV fluctuations throughout the year, check out the Tetbury UV Index.

Maximum UV Index Levels in Tetbury for September

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

September in Tetbury, United Kingdom, offers a delightful transition into autumn with 284 hours of sunshine, a pleasant retreat from the sun-soaked summer months. Though the hours are fewer compared to the peak of July with its 395 hours and May at 381 hours, September still shines brighter than the dreary winter months that follow. As the days gradually shorten, the sunlight begins to soften, hinting at the crispness of fall while still embracing the warmth left over from summer. This month often sees a vibrant tapestry of autumn colors appearing, making it a beautiful time to enjoy the outdoors before the cooler days of October, which averages just 231 hours of sunshine. Overall, September strikes a perfect balance between summer's lingering warmth and the enchanting onset of autumn in Tetbury.

Monthly Sunshine Duration in Tetbury: September Highlighted

The September sunshine duration represents the total number of hours Tetbury 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.
JanFebMarAprMayJunJulAugSepOctNovDec89h142h194h308h381h364h395h347h284h231h131h108h
Data source: Tetbury September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tetbury During September

In September, Tetbury experiences a 26% chance of sunny weather, which is relatively stable when compared to other months. While this figure is slightly higher than the summer months of July and August, it remains below the more promising 51% sunshine in April. This trend highlights a gradual decline in sunshine as autumn approaches, considering the rising likelihood of rain in October and November. As the vibrant hues of early autumn foliage begin to take center stage, those visiting Tetbury can expect a mix of pleasant days, yet should remain prepared for changing weather patterns as summer gives way to cooler days.

Percentage of Sunny Days in September in Tetbury

The chart illustrates the percentage of sunny days in Tetbury 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 Tetbury experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%23%27%51%32%26%37%25%26%24%31%18%
Data source: Tetbury September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tetbury in September

In September, Tetbury experiences a transitional shift as daylight begins to wane, offering approximately 12 hours of natural light. This month marks a gradual retreat from the long, sun-drenched days of summer, where June and July boast the peak of 16 hours. As autumn approaches, the daylight starts to decline more noticeably; however, September still provides a comfortable balance between brightness and early evening shadows. This trend of diminishing daylight continues into the following months, hinting at the cozy atmosphere of fall in the enchanting town of Tetbury.

Average Daylight Hours in Tetbury for September

The chart illustrates the variation in daylight duration in Tetbury throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 55m15h 40m16h 34m16h 5m14h 31m12h 35m10h 36m8h 49m7h 51m
Data source: Tetbury daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tetbury

As September arrives in Tetbury, the winds take on a gentle demeanor with an average speed of 3.3 m/s (7 mph), mirroring the calmness of the late summer transition into autumn. This month’s wind speed marks a continuation of the softer breezes seen throughout July and August, suggesting a lull before the brisk winds of October return, where speeds increase to 4.5 m/s (10 mph). Following a notable peak in February's winds at 5.2 m/s (12 mph), the overall trend reveals a general decline in wind intensity through the warmer months, only to re-emerge with vigor as the year draws to a close. September's tranquil gusts invite leisurely strolls, as nature prepares to shift into the vibrant tapestry of fall.

Average September Wind Speed in Tetbury

The chart displays monthly wind speed patterns in Tetbury, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.25.24.43.34.13.33.03.73.3 m/s4.53.84.5
Data source: Tetbury September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tetbury Compares to Other Months

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

In September, the weather tends to be warmer, with temperatures ranging from a chilly 3°C (37°F) to a pleasant max of 29°C (84°F), and an average of 14°C (58°F). The month sees approximately 53 mm (2.1 in) of precipitation over about 8 days, with humidity levels around 82%. In contrast, January brings much colder temperatures, with a minimum of -4°C (25°F), an average of 5°C (41°F), and a maximum of 14°C (57°F). Similar to September, January also records about 53 mm (2.1 in) of precipitation, but it occurs over a slightly longer period of 10 days, with the humidity rising to 91%. For more details on January weather, check out Tetbury weather in January.

September and February present stark contrasts in weather patterns. September typically enjoys milder temperatures with a minimum of 3°C (37°F) and an average of 14°C (58°F), reaching highs of up to 29°C (84°F). In contrast, February is much cooler, with temperatures dipping to a minimum of -6°C (22°F) and averaging around 6°C (43°F), peaking at 18°C (64°F). While September sees about 53 mm (2.1 in) of precipitation over approximately 8 days, February experiences slightly higher precipitation at 60 mm (2.3 in) spread over 13 days, and a higher humidity level of 89%. This difference in weather is evident when you explore Tetbury weather in February.

September and March present contrasting weather patterns, reflecting the transition from late summer to early spring. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), with an average of 14°C (58°F), while March sees cooler conditions, with temperatures ranging from -6°C (22°F) to 21°C (70°F) and an average of 7°C (45°F). Precipitation is more frequent in March, totaling 68 mm (2.7 in) over 14 days compared to September's 53 mm (2.1 in) over just 8 days. Humidity levels are also slightly higher in March, at 86%, compared to 82% in September. For a detailed look at March weather, visit Tetbury weather in March.

When comparing the weather in September and April, we notice notable differences in temperature and conditions. September generally offers warmer temperatures, with a minimum of 3°C (37°F) and an average of 14°C (58°F), peaking at 29°C (84°F). In contrast, April starts with cooler temperatures, featuring a minimum of -3°C (26°F) and an average of 9°C (49°F), reaching a maximum of 24°C (75°F). Precipitation levels are fairly similar, with September receiving 53 mm (2.1 in) over about 8 days and April experiencing 48 mm (1.9 in) across 9 days. Humidity also remains high in both months, with September at 82% and April slightly higher at 85%. For a more detailed look at April's weather, you can check out this link: Tetbury weather in April.

September generally features warmer weather compared to May, with average temperatures reaching 14°C (58°F) and maximums peaking at 29°C (84°F), while May sees an average of 12°C (54°F) and highs of 26°C (79°F). Despite September's warmer days, it experiences slightly more precipitation at 53 mm over 8 days, whereas May has a bit more rain at 74 mm spread across 12 days. Additionally, humidity levels are relatively close, with September at 82% and May at 79%, indicating that both months maintain a humid feel, but September tends to be more comfortable overall. For more specific details on May weather, you can check Tetbury weather in May.

In comparing the weather of September and June, we find that September tends to have slightly cooler temperatures, with an average of 14°C (58°F) compared to June's 16°C (61°F). The daytime highs in both months are quite similar, with September reaching up to 29°C (84°F) and June peaking at 30°C (87°F). However, June experiences more precipitation, averaging 73 mm (2.9 in) over 11 days, while September sees less rain at 53 mm (2.1 in) across 8 days. Humidity levels are comparable, with September being a bit more humid at 82% compared to June's 80%. For a detailed look at June weather, you can visit Tetbury weather in June.

When comparing the weather in September and July, we can see some distinct differences. September experiences cooler temperatures, with a minimum of 3°C (37°F) and an average of 14°C (58°F), while July is warmer, with a minimum of 7°C (45°F) and an average of 18°C (64°F). The maximum temperature in September reaches up to 29°C (84°F), compared to July's 31°C (88°F). In terms of precipitation, September has slightly less at 53 mm (2.1 in) over 8 days, whereas July sees 63 mm (2.5 in) over 11 days. Additionally, September’s humidity is higher at 82%, while July remains lower at 71%. For a more detailed look at July weather, check out Tetbury weather in July.

In comparing the weather of September and August, September experiences cooler temperatures overall, with a minimum of 3°C (37°F) and a maximum of 29°C (84°F), compared to August's warmer range of 7°C (45°F) to 33°C (91°F). The average temperature in September is 14°C (58°F), which is notably lower than August's average of 17°C (62°F). Additionally, September sees slightly less precipitation at 53 mm (2.1 in) over 8 days, contrasted with August's 73 mm (2.9 in) over 12 days. Humidity levels are higher in September at 82%, while August maintains a more comfortable 76%. For further insights on August weather, you can check Tetbury weather in August.

September and October showcase a distinct shift in weather patterns. September typically boasts milder temperatures, with a minimum of 3°C (37°F) and an average of 14°C (58°F), allowing for warmer days that can reach up to 29°C (84°F). However, it also experiences relatively high humidity at 82% and some rainfall, accumulating 53 mm (2.1 in) over about 8 days.

In contrast, October brings a notable drop in temperatures, with nighttime lows dipping to -1°C (31°F) and a cooler average of 11°C (53°F). The maximum temperature in October reaches 23°C (74°F), but the month is characterized by a substantial increase in precipitation, totaling 96 mm (3.8 in) and occurring on about 14 days. Additionally, humidity rises to 90%, contributing to a damp and chilly atmosphere. For further details about October weather in this region, you can visit Tetbury weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (58°F). The month sees about 53 mm (2.1 in) of precipitation over 8 days and a relatively comfortable humidity level of 82%. In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -3°C (27°F) and an average of only 8°C (46°F), peaking at 17°C (62°F). This month experiences a higher precipitation rate, totaling 65 mm (2.6 in) across 13 days, along with increased humidity at 92%. For a detailed look at November weather in Tetbury, you can visit Tetbury weather in November.

September offers a much milder climate compared to December, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F) and an average of 14°C (58°F). In contrast, December sees much colder conditions, with temperatures dropping as low as -8°C (19°F), averaging around 6°C (44°F), and peaking at 14°C (57°F). Additionally, September experiences 53 mm (2.1 in) of precipitation over about 8 days, while December has significantly more rainfall at 86 mm (3.4 in) spread across 15 days, contributing to a higher humidity level of 92%. For more detailed insights, check out Tetbury weather in December.

Compare Tetbury's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tetbury

As September rolls in, Tetbury experiences a delightful transition in weather, marked by warmer days and cooler nights. This month stands out with its maximum temperatures reaching a pleasant 29°C, offering a lovely warmth while retaining an average that’s mild enough for comfortable outings. Unlike the more humid summer months, September brings a slight increase in humidity and a gentle hint of precipitation, making it a time for refreshing, sporadic rain. The overall experience is a soothing balance between the lingering warmth of summer and the crispness of autumn, perfect for enjoying the town's natural beauty. For a more detailed understanding of what to expect throughout the year, explore Tetbury Climate.