September Weather in Bremgarten, Switzerland

Last updated: August 27, 2025

In Bremgarten, Switzerland, September showcases a delightful transition into autumn, with temperatures ranging from a comfortable average of 15°C (60°F) to a peak of 28°C (82°F). While daytimes may warm up, the nights can dip as low as 4°C (39°F), inviting cozy evenings. This month experiences approximately 106 mm (4.2 in) of rainfall over 13 days, contributing to the area's lush greenery. The high humidity at 83% adds a touch of richness to the air, enhancing the sensory experience of this picturesque Swiss town as summer fades and fall begins.

September Temperature in Bremgarten

As September unfolds in Bremgarten, Switzerland, a delightful transition is evident in the weather. With temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 28°C (82°F), this month highlights a shift towards milder, more pleasant conditions. The average temperature settles around 15°C (60°F), offering a refreshing break from the summer heat while still allowing for sunny days. This gradual cool-down marks a significant change from the sweltering summer months, showcasing a harmonious blend of warmth and crispness that makes September an appealing time to experience the beauty of this charming Swiss town. As autumn approaches, the days shorten and the lush landscapes begin to hint at the vibrant fall colors that will soon emerge.

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

The chart illustrates September temperature patterns in Bremgarten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bremgarten, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505665676760524237
Data source: Temperature data for Bremgarten 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 Bremgarten

In Bremgarten, Switzerland, September sees a noteworthy transition in weather patterns, with an average precipitation of 106 mm (4.2 in) spread across approximately 13 days. This marks a slight decrease from the intense summer months of July and August, which recorded 164 mm (6.4 in) and 162 mm (6.4 in) respectively. However, September's rainfall remains substantial, providing a gentle farewell to summer. As autumn approaches, the frequency of rainy days reflects a shift from the more persistent deluges of summer, hinting at a more variable yet refreshing climate ahead. The overall trend suggests that while September retains a healthy amount of rain, it begins to pave the way for the drier months of fall.

September Precipitation Trends in Bremgarten

The chart displays monthly precipitation patterns in Bremgarten, 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. In Bremgarten, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec107881027714615416416210712278137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bremgarten

As summer fades into autumn, September in Bremgarten, Switzerland experiences a slight uptick in humidity, averaging around 83%. This marks a subtle increase after the drier months of July and August, both hovering close to 80%. Observing the trend throughout the year, we see humidity levels peaking in the winter months, such as January and October, where they reach upwards of 90%. The transition from summer to fall highlights a return to the more humid conditions characteristic of the colder season, setting the stage for the cozy, misty ambiance that defines Bremgarten's autumn landscape.

September Average Humidity in Bremgarten

This chart illustrates the average monthly humidity levels in Bremgarten, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Bremgarten is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bremgarten

As we transition into September in Bremgarten, Switzerland, the UV Index begins to dip, reflecting the waning summer days. With a UV Index of 6, categorized as high, sun protection remains crucial as the risk of harm from unprotected sun exposure is significant, with a burn time of 25 minutes. This marks a shift from the intense very high readings of July and August, which peaked at 9. The gradual decrease signals a return to more moderate conditions, suggesting that while the sun's rays are less harsh than peak summer, caution is still advisable. As autumn approaches, observing local UV trends is essential to ensure safe outdoor enjoyment. For more information on UV exposure in the area, visit Bremgarten UV Index.

Maximum UV Index Levels in Bremgarten for September

The chart shows the monthly maximum UV Index (UVI) for Bremgarten 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. In September, the maximum UV index in Bremgarten typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Bremgarten 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 Bremgarten

In Bremgarten, Switzerland, September marks a delightful transition as summer's warmth lingers, offering an impressive 320 hours of sunshine. This is a charming contrast to the winter months, with the sun's presence peaking in the height of summer—415 hours in July—before gradually receding. As autumn approaches, daylight gently diminishes, yet September remains a vibrant month, showcasing a generous dose of sunshine compared to the shorter, cloudier days of October, which sees a drop to 279 hours. Overall, this trend highlights the region's gradually shifting climate, with September delivering a beautiful blend of summer's end and autumn's beginnings, perfect for enjoying the picturesque landscapes of the Swiss countryside.

Monthly Sunshine Duration in Bremgarten: September Highlighted

The September sunshine duration represents the total number of hours Bremgarten 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h228h300h358h370h385h415h384h320h279h219h185h
Data source: Bremgarten September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bremgarten During September

In September, Bremgarten, Switzerland, enjoys a 40% chance of sunny weather, making it one of the more promising months for sun-seekers in the region. This figure represents a slight uptick from the summer months, where the likelihood fluctuates between 31% and 38%. Interestingly, after the peak sunny days of late spring characterized by April's 49% chance, September offers a refreshing return to milder sunshine after the summer has waned. As autumn sets in, the temperatures begin to cool, yet September still holds on to a reasonable chance of sunny days, making it a perfect time for outdoor activities or enjoying the stunning landscapes that Switzerland is known for.

Percentage of Sunny Days in September in Bremgarten

The chart illustrates the percentage of sunny days in Bremgarten 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 Bremgarten experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%36%45%49%32%31%35%38%40%35%21%26%
Data source: Bremgarten September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bremgarten in September

As September unfolds in Bremgarten, Switzerland, the transition from summer to autumn is marked by a noticeable shift in daylight duration, with the month offering around 12 hours of light. This decline from the 15 hours seen during the peak of summer in June, July, and August reflects a gradual shortening of days as the year progresses toward winter. Following the lush brightness of spring and summer, where daylight reached up to 15 hours in May, September signals a gentle retreat into dusk, a trend that will continue into October, which brings just 10 hours of sunlight. This rhythm of daylight influences both the natural environment and the daily lives of Bremgarten's residents, introducing a season of cozy evenings and vibrant autumn hues.

Average Daylight Hours in Bremgarten for September

The chart illustrates the variation in daylight duration in Bremgarten throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 56m10h 16m11h 56m13h 38m15h 6m15h 51m15h 27m14h 9m12h 30m10h 48m9h 18m8h 31m
Data source: Bremgarten daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bremgarten

As autumn approaches in Bremgarten, Switzerland, September brings a gentle shift in the wind. With an average wind speed of 1.4 m/s (3 mph), this month marks the start of a subtle decline, reflecting a trend seen in the late summer months. The wind eases slightly from the livelier breezes of late spring and early summer, which typically peak in May at 2.2 m/s (5 mph). This decrease hints at the calmness of early autumn, where tranquil days and a whisper of wind create a serene backdrop for the vibrant foliage. Not only does the wind speed slide gently downward in September, but it continues to reflect the seasonal transition, prompting a peaceful yet invigorating essence as summer bids farewell.

Average September Wind Speed in Bremgarten

The chart displays monthly wind speed patterns in Bremgarten, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.11.81.91.92.21.51.61.51.4 m/s1.61.71.9
Data source: Bremgarten September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bremgarten Compares to Other Months

Weather in Bremgarten varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bremgarten, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present a stark contrast in weather. In September, temperatures range from a minimum of 4°C (39°F) to a pleasant average of 15°C (60°F), peaking at a maximum of 28°C (82°F). The month experiences significant rainfall, with 106 mm (4.2 in) over about 13 days and a relatively high humidity of 83%. In contrast, January is much colder, with temperatures dropping to a minimum of -11°C (13°F) and an average of just 1°C (35°F), reaching a maximum of 15°C (60°F). The precipitation levels are similar, at 107 mm (4.2 in) over 12 days, but the humidity rises slightly to 92%, adding to the winter chill. For a more detailed look at January's weather in Bremgarten, visit Bremgarten weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 28°C (82°F), with an average of 15°C (60°F). It also sees substantial precipitation, totaling 106 mm (4.2 in) over about 13 days, and a humidity level of 83%. In stark contrast, February's climate leans much colder, with temperatures dipping to a low of -12°C (11°F) and peaking at 18°C (65°F), averaging just 4°C (39°F). Precipitation in February is somewhat lower, at 87 mm (3.4 in) across 12 days, accompanied by higher humidity at 89%. For a more detailed look at winter weather, you can check Bremgarten weather in February.

In September, temperatures range from a cool 4°C (39°F) at night to a warm 28°C (82°F) during the day, offering an average of 15°C (60°F) and a relatively high humidity level of 83%. The month experiences about 106 mm (4.2 in) of precipitation over 13 days, creating a lush, vibrant atmosphere as summer transitions into autumn. In contrast, March showcases a chillier climate, with temperatures dipping as low as -11°C (13°F) and peaking at 20°C (69°F), averaging around 6°C (43°F). This month is marked by slightly lower precipitation of 102 mm (4.0 in) but occurs over more days—17 in total—resulting in a higher humidity level of 87%. For a detailed look at the weather in March, you can visit Bremgarten weather in March.

In comparing the weather of September and April, September tends to be warmer overall, with average temperatures reaching 15°C (60°F) compared to April's average of 10°C (50°F). While September sees a maximum temperature of 28°C (82°F), April's peak is slightly lower at 26°C (79°F). However, April experiences cooler minimum temperatures, dipping as low as -3°C (26°F), while September's minimum is milder at 4°C (39°F). Precipitation is more abundant in September, with 106 mm (4.2 in) across 13 days, compared to April's 77 mm (3.0 in) over 11 days. The humidity levels are fairly consistent, with September at 83% and April slightly higher at 84%. For more detailed information, you can check out Bremgarten weather in April.

September's weather offers a more pronounced swing in temperatures, with lows around 4°C (39°F) and highs reaching up to 28°C (82°F), resulting in an average of 15°C (60°F). In contrast, May displays slightly cooler nights with a minimum of 0°C (33°F) but features warmer daytime temperatures, peaking at 30°C (86°F) while averaging 13°C (56°F). However, May experiences more rainfall, with 146 mm (5.8 in) spread over 17 days, compared to September's 106 mm (4.2 in) over 13 days. Despite this, May's humidity level is slightly lower at 80% compared to September's 83%. For more details on May's climate, you can explore Bremgarten weather in May.

In comparing the weather of September and June, one can observe notable differences in temperature and precipitation patterns. September typically experiences a wider temperature range, with minimums at 4°C (39°F) and maximums reaching 28°C (82°F), averaging around 15°C (60°F). In contrast, June features warmer temperatures, with minimums of 7°C (45°F) and maximums soaring up to 34°C (93°F), and an average of 18°C (65°F). While September sees 106 mm (4.2 in) of precipitation over 13 days, June is wetter, accumulating 154 mm (6.0 in) over 18 days. Humidity levels are quite similar, hovering around 83% in September and slightly lower at 82% in June. For more detailed information, you can check Bremgarten weather in June.

When comparing the weather in September and July, significant differences can be observed in both temperature and precipitation levels. September experiences a wider temperature range, with minimums dropping to 4°C (39°F) and maximums reaching 28°C (82°F), averaging around 15°C (60°F). In contrast, July boasts a milder minimum of 10°C (50°F) and higher maximums of 34°C (94°F), with an average of 20°C (67°F). Precipitation is also more prevalent in July, totaling 164 mm (6.4 in) over 18 days, compared to September's 106 mm (4.2 in) spread over 13 days. Notably, both months maintain a consistent humidity level of 83%. For further insights on July weather, you can refer to Bremgarten weather in July.

In comparing the weather between August and September, we can see distinct differences in temperature and precipitation. August typically experiences warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 33°C (91°F), resulting in a comfortable average of 19°C (67°F). In contrast, September has cooler temperatures, with a minimum of 4°C (39°F), an average of 15°C (60°F), and a maximum of 28°C (82°F). August also sees more precipitation, with 162 mm (6.4 in) over 17 days, compared to September's 106 mm (4.2 in) over 13 days; however, September has a slightly higher humidity level at 83% compared to August's 80%. For more detailed information, you can check Bremgarten weather in August.

September and October present distinct shifts in weather patterns. In September, temperatures typically range from a minimum of 4°C (39°F) to a maximum of 28°C (82°F), with an average of 15°C (60°F). This month experiences moderate precipitation, totaling 106 mm (4.2 in) over 13 rainy days, accompanied by a humidity level of 83%. In contrast, October sees a drop in average temperature to 11°C (52°F), with lows reaching 1°C (35°F) and highs peaking at 22°C (72°F). Precipitation slightly increases to 122 mm (4.8 in) across 14 days, while humidity rises to 90%. These changes signal the transition from the warmer days of late summer to the cooler, wetter conditions of autumn. For more specific details, check Bremgarten weather in October.

September and November present contrasting weather experiences. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 28°C (82°F), with an average of 15°C (60°F). The month also sees significant precipitation, averaging 106 mm (4.2 in) over 13 days, and humidity levels around 83%. In contrast, November brings cooler temperatures, with a minimum reaching -2°C (28°F) and an average of just 5°C (42°F). Although the maximum temperature can reach 21°C (70°F), the month experiences less precipitation at 78 mm (3.1 in) over the same number of rainy days, and humidity rises to 88%. For more details on November's weather, check this link: Bremgarten weather in November.

In September, the weather is generally milder, with temperatures ranging from a minimum of 4°C (39°F) to a pleasant average of 15°C (60°F), peaking at a maximum of 28°C (82°F). This month experiences a decent amount of rainfall, with 106 mm (4.2 in) over 13 days, while humidity sits at a comfortable 83%. In contrast, December brings a significant drop in temperature, where the minimum plummets to -4°C (25°F) and the average sits at just 3°C (38°F), with a maximum of only 13°C (56°F). The precipitation increases to 137 mm (5.4 in) over 19 days, and humidity rises to 90%. For more details on the winter conditions, check Bremgarten weather in December.

Compare Bremgarten's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bremgarten

As summer transitions to autumn, September in Bremgarten showcases a remarkable shift in weather patterns. The temperatures moderate, offering a pleasant average that contrasts with the sizzling highs of summer, while occasional chills hint at the impending cooler months. With 106 mm of precipitation spread across 13 days, the month may seem wetter, encouraging lush greenery and revitalized landscapes. The humidity lingers at a notable 83%, making the air feel quite rich and inviting. Overall, September serves as a picturesque bridge between the warmth of summer and the crispness of autumn, creating an enchanting experience for both nature enthusiasts and adventurers alike. For more on how the month compares to others, check Bremgarten Climate.