September Weather in Saffron Walden, United Kingdom

Last updated: March 17, 2025

In September, Saffron Walden offers a delightful blend of weather featuring maximum temperatures reaching 28°C (83°F), while the average settles at a comfortable 15°C (59°F). As the month progresses, cooler nights can dip to a brisk 3°C (37°F), making for refreshing evenings. With 52 mm (2.1 in) of precipitation spread over 10 days, the lush landscapes remain vibrant, although occasional showers can be expected. The humidity level, hovering around 80%, adds a touch of moisture to the air, enhancing the charming autumn ambiance of this picturesque English town. Whether enjoying the mild days or the crisp nights, September in Saffron Walden is a true celebration of seasonal transition.

September Temperature in Saffron Walden

In September, Saffron Walden experiences a delightful transition as summer wanes and autumn begins to assert itself. The temperatures range from 3°C (37°F) at night to a comfortable 28°C (83°F) during the day, creating a pleasing average of 15°C (59°F). This month marks a notable cooling compared to the scorching heights of summer, yet still offers warmth suitable for outdoor activities. As the days gradually shorten, the crisp morning air hints at the cozy months ahead, encouraging residents and visitors alike to revel in the vibrant autumnal colors. The gentle shift in temperature is a cue to savor the last remnants of summer while embracing the charm of early fall in the picturesque landscapes of the United Kingdom.

September Weather in Saffron Walden: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saffron Walden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345495561656459534643
Data source: Temperature data for Saffron Walden 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 Saffron Walden

In Saffron Walden, September brings a refreshing transition into autumn, with precipitation measuring 52 mm (2.1 in) over an average of 10 days. This consistent rainfall mirrors the levels observed earlier in the year, particularly in January and March, suggesting a steady rhythm of wet weather as summer fades. Notably, while September's rainfall is substantial, it is lighter than the deluges of October, which sees an increase to 83 mm (3.3 in). This month acts as a bridge, easing from the more plentiful rains of August and paving the way for autumn's wetter patterns. As such, residents and visitors alike can expect a mix of sun and rain, creating a lush, vibrant backdrop as nature prepares for the cooler months ahead.

September Precipitation Trends in Saffron Walden

The chart displays monthly precipitation patterns in Saffron Walden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec524954316872657452834783
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saffron Walden

As September arrives in Saffron Walden, a shift in humidity levels can be observed, with an average of 80% that marks a subtle transition from the drier conditions of August, which recorded 73% humidity. This uptick indicates the onset of autumn, as the air begins to retain more moisture alongside the cooling temperatures. While September remains significantly less humid than the winter months with their averages hovering around 91-92%, it reflects a gradual trend toward increased moisture, hinting at the seasonal shift ahead. The pattern shows a steady decline from spring’s higher humidity levels, suggesting that Saffron Walden’s climate gradually evolves to embrace the crispness of fall.

September Average Humidity in Saffron Walden

This chart illustrates the average monthly humidity levels in Saffron Walden, 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 Saffron Walden

In September, Saffron Walden experiences a moderate UV Index of 5, indicating that sun exposure is still significant as summer transitions to autumn. With a burn time of 30 minutes, it’s advisable for residents and visitors alike to take necessary precautions when enjoying the outdoors. This month marks a gradual decline from the very high levels observed in the peak summer months of June and July, where UV Index values reached 8. As we ease into the cooler seasons, UV exposure remains a consideration, especially when the sun is high in the sky. For more details and daily updates, check the Saffron Walden UV Index.

Maximum UV Index Levels in Saffron Walden for September

The chart shows the monthly maximum UV Index (UVI) for Saffron Walden 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Saffron Walden 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 Saffron Walden

September in Saffron Walden brings a delightful transition from the vibrant summer months to the crisp beginnings of autumn, showcasing an impressive 299 hours of sunshine. This month marks a notable decrease from the sun-drenched days of July and August, which boast nearly 400 hours each, yet it still offers a significant amount of bright days compared to the chill that arrives in October with just 240 hours of sunlight. As the year progresses, the trend of sunlight shows a clear ebb and flow, with the early months struggling to reach even 100 hours, while spring and summer shine brightly, peaking in the height of July. By September, residents can relish the lingering warmth, making it a perfect time to enjoy the scenic landscapes before the shorter days settle in.

Monthly Sunshine Duration in Saffron Walden: September Highlighted

The September sunshine duration represents the total number of hours Saffron Walden 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h146h215h323h397h389h399h371h299h240h145h105h
Data source: Saffron Walden September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saffron Walden During September

In Saffron Walden, September offers a 30% chance of sunny weather, slightly above the summer months but lower than the vibrant April. As the seasons transition, this figure reflects a gentle retreat from the sun-soaked days of July, which boasts a 39% likelihood, and the fluctuating sun of August at 27%. Notably, September stands out as a time when the days are still warm, yet the overall probability of sunshine dips compared to the peak summer months. This indicates that while you may still enjoy pleasant outings, embracing the unpredictability of British weather is essential as autumn beckons on the horizon.

Percentage of Sunny Days in September in Saffron Walden

The chart illustrates the percentage of sunny days in Saffron Walden 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 Saffron Walden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%28%47%32%28%39%27%30%23%31%16%
Data source: Saffron Walden September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saffron Walden in September

As summer gracefully gives way to autumn, September in Saffron Walden witnesses a notable shift in daylight duration, with about 12 hours of sunlight illuminating the days. This decline from the peak summer months of 16 hours in June and July signals the onset of shorter days, following the gradual increase through spring and early summer. The month marks a transition, as daylight begins to wane, offering a softer glow that enhances the rich tapestry of autumn colors. With daylight lasting longer than the winter months ahead but less than the vibrant summer, September provides a perfect balance, inviting residents to enjoy the fading warmth before the chill of October settles in.

Average Daylight Hours in Saffron Walden for September

The chart illustrates the variation in daylight duration in Saffron Walden throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 20m9h 56m11h 55m13h 55m15h 41m16h 37m16h 7m14h 32m12h 35m10h 35m8h 47m7h 49m
Data source: Saffron Walden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Saffron Walden

As September unfolds in Saffron Walden, the brisk winds begin to signal the transition into autumn, with an average speed of 3.6 m/s (8 mph). This reduction in wind intensity marks a noticeable shift from the gustier summer months, where August recorded 4.2 m/s (9 mph). The trend in wind speeds reveals a pattern where the spring and summer months generally enjoy slightly higher breezes, peaking at 4.9 m/s (11 mph) in February and returning again to 4.8 m/s (11 mph) by October. Meanwhile, the gentle September zephyrs create an inviting atmosphere for strolls through the historic town, offering a perfect backdrop as the leaves begin to turn. As the year progresses, Saffron Walden's winds continue to dance around the 4 m/s mark, subtly guiding us into the cozy embrace of fall.

Average September Wind Speed in Saffron Walden

The chart displays monthly wind speed patterns in Saffron Walden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.64.94.83.64.43.43.54.23.6 m/s4.84.34.8
Data source: Saffron Walden September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Saffron Walden Compares to Other Months

The weather in Saffron Walden 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 Saffron Walden and find detailed weather information for every month.

In September, the weather is generally milder, with temperatures ranging from a minimum of 3°C (37°F) to a pleasant average of 15°C (59°F), peaking at a maximum of 28°C (83°F). While precipitation is similar to January, with about 52 mm (2.1 in) across approximately 10 days, the humidity is lower at 80%. In contrast, January brings much colder temperatures, with a minimum of -4°C (24°F) and an average of just 5°C (41°F), reaching a maximum of 14°C (58°F). Despite having slightly less precipitation at 52 mm (2.0 in) over 9 days, the humidity is higher at 91%, contributing to a starkly different winter atmosphere. For more detailed information on winter conditions, visit Saffron Walden weather in January.

September and February present notably different weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a high of 28°C (83°F) during the day, averaging around 15°C (59°F). The month experiences moderate rainfall, averaging 52 mm (2.1 in) over 10 days, with humidity around 80%. In contrast, February temperatures drop significantly, with a minimum of -7°C (20°F) and a maximum of 17°C (64°F), averaging just 6°C (43°F). The precipitation levels are slightly lower at 49 mm (1.9 in) over 11 days, but humidity is higher at 89%. For a closer look at the specific conditions you can expect, visit Saffron Walden weather in February.

September and March present quite different weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 3°C (37°F) to a pleasant average of 15°C (59°F), peaking at a warm 28°C (83°F). The month experiences a moderate level of rainfall, with around 52 mm (2.1 in) falling over about 10 days and humidity hovering around 80%. In contrast, March is cooler, with temperatures dipping as low as -6°C (22°F), averaging 7°C (45°F), and reaching a maximum of 21°C (70°F). While precipitation is slightly higher at 54 mm (2.1 in) spread over 13 days, humidity rises to 86%. For more details on March weather, check out Saffron Walden weather in March.

September and April exhibit notable differences in weather patterns. September tends to be warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). It also experiences higher levels of precipitation, with an average of 52 mm (2.1 in) over about 10 days, and a humidity level of 80%. In contrast, April features cooler temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 26°C (79°F), with an average temperature of 9°C (49°F). The month sees less precipitation at 31 mm (1.2 in) across 8 days and slightly higher humidity at 85%. For those interested in a deeper dive into April's climate, you can refer to Saffron Walden weather in April.

When comparing the weather in September and May, notable differences emerge. September boasts a wider temperature range with minimums reaching 3°C (37°F) and maximums peaking at 28°C (83°F), resulting in an average temperature of 15°C (59°F). In contrast, May sees slightly cooler conditions, with minimum temperatures at 1°C (35°F) and maximums of 27°C (80°F), yielding an average of 13°C (55°F).

Although September experiences less precipitation, with 52 mm (2.1 in) over about 10 days, May has higher rainfall at 68 mm (2.7 in) across 11 days. Humidity levels are quite similar, with September at 80% and May slightly higher at 82%. For more detailed insights about May weather, you can visit Saffron Walden weather in May.

When comparing the weather in September and June, we notice a few distinct differences. September generally enjoys a wider temperature range, with minimums dipping to 3°C (37°F) and maximums reaching up to 28°C (83°F), making it feel warmer during the day compared to June, where minimum temperatures start at 6°C (43°F) and maximums peak at 29°C (85°F). However, June experiences slightly higher average temperatures, averaging around 16°C (62°F) compared to September's 15°C (59°F).

In terms of precipitation, September tends to be somewhat drier with 52 mm (2.1 in) of rain falling over about 10 days, while June sees more rainfall at 72 mm (2.8 in) over 11 days. Humidity levels are quite similar, with September at 80% and June at 81%. For a closer look at the weather specifics during this month, visit Saffron Walden weather in June.

In September, temperatures are cooler, ranging from a minimum of 3°C to a maximum of 28°C, with an average of 15°C, compared to July’s warmer temperatures that stretch from a minimum of 9°C to a maximum of 35°C, averaging 18°C. July experiences higher temperatures, particularly at the upper end, making it generally hotter than September. However, September has slightly less precipitation, with 52 mm over about 10 days, compared to July’s 65 mm over 12 days, indicating a slightly drier month. Despite this, September retains a high humidity level of 80%, only slightly higher than July’s 76%. For more detailed information, you can refer to Saffron Walden weather in July.

September brings a notable transition in weather compared to August. While August features warmer conditions with minimum temperatures around 8°C (47°F) and maximum temperatures reaching up to 34°C (93°F), September sees cooler nights with a minimum of 3°C (37°F) and an average of 15°C (59°F). Precipitation also decreases slightly in September, totaling 52 mm (2.1 in) over 10 days, compared to August's 74 mm (2.9 in) across 12 days. Additionally, humidity is higher in September at 80%, compared to 73% in August, giving a different feel to the late summer season. For more details on August weather, visit Saffron Walden weather in August.

September weather features a wider temperature range, with minimums of 3°C (37°F) and maximums reaching up to 28°C (83°F), resulting in an average of 15°C (59°F). In contrast, October sees a marked drop in temperatures, with minimums falling to 0°C (33°F) and an average of just 12°C (53°F), while maximums are capped at 24°C (75°F). Precipitation also increases in October, with 83 mm (3.3 in) recorded over 12 days, compared to September's 52 mm (2.1 in) over 10 days. Humidity rises slightly from 80% in September to 89% in October. For more detailed insights, check out Saffron Walden weather in October.

September and November present distinct weather contrasts. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month sees about 52 mm (2.1 in) of precipitation over 10 days, accompanied by a humidity level of 80%. In contrast, November brings cooler temperatures with a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging at 8°C (46°F). The precipitation is slightly less at 47 mm (1.8 in), also over 10 days, but with increased humidity at 92%. For more details on the weather in November, you can check this link: Saffron Walden weather in November.

In September, the weather is generally milder with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 28°C (83°F). This month typically sees an average temperature of 15°C (59°F) and experiences about 52 mm (2.1 in) of precipitation over approximately 10 rainy days, accompanied by a humidity level of 80%.

In contrast, December brings cooler conditions, with temperatures dipping to a minimum of -3°C (26°F) and a maximum of 15°C (59°F), averaging around 6°C (43°F). This month has higher precipitation, totaling around 83 mm (3.3 in) dispersed across roughly 14 days, and an increased humidity of 92%.

For more details, check out Saffron Walden weather in December.

Compare Saffron Walden's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Saffron Walden

As summer transitions into autumn, September in Saffron Walden brings a refreshing change in weather. With average temperatures hovering around a comfortable 15°C (59°F), the month is characterized by warmer days peaking at 28°C (83°F), balanced by cooler nights that can drop to 3°C (37°F). While the occasional rain—totaling 52 mm (2.1 in) over about 10 days—adds some humidity, averaging at about 80%, it offers a unique charm to the landscape. This blend of warmth and coolness, along with fleeting showers, sets September apart from the hotter summer months, creating an inviting atmosphere that beckons visitors to explore the beauty of Saffron Walden. For more insights on seasonal patterns, visit Saffron Walden Climate.