September Weather in Offenburg, Germany

Last updated: February 26, 2025

In September, Offenburg, Germany, transitions into autumn with a noticeable drop in temperatures. The maximum reaches a balmy 32°C (90°F), while the average settles at a comfortable 16°C (62°F), and cool nights dip down to a brisk 3°C (37°F). Rainfall totals around 48 mm (1.9 in) over the course of 8 days, contributing to the region's 85% humidity, which enhances the refreshing feel of the changing season. This month offers a beautiful blend of warm days and cooler evenings, perfect for enjoying the vibrant fall scenery.

September Temperature in Offenburg

In September, Offenburg, Germany experiences a gentle transition from the warmth of summer to the cooler embrace of autumn. With minimum temperatures averaging around 3°C (37°F), the crispness of the air becomes more palpable, while average temperatures peak at a pleasant 16°C (62°F). The maximums, however, still reflect the lingering warmth of summer, soaring to around 32°C (90°F), making this month ideal for enjoying the tail end of outdoor activities. As the temperatures begin to dip, residents and visitors alike can revel in the vibrant hues of early autumn, showcasing nature's beauty while basking in relatively mild weather before the onset of chillier days.

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

The chart illustrates September temperature patterns in Offenburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374145525867706961534440
Data source: Temperature data for Offenburg 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 Offenburg

In September, Offenburg experiences a noticeable shift in precipitation patterns, with 48 mm (1.9 in) of rain falling over 8 days. This marks a continuation of the decreasing trend seen from the higher summer months, as both July and August saw greater rainfall. September's precipitation not only signifies the approach of autumn but also establishes a bridge toward the wetter months ahead, notably October, which sees a rise back to 86 mm (3.4 in). As the year progresses, these fluctuations reflect the region's dynamic climate, where summer's light showers gradually give way to the more substantial rains of late autumn and winter.

September Precipitation Trends in Offenburg

The chart displays monthly precipitation patterns in Offenburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9783934589796951488667128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Offenburg

In Offenburg, Germany, the humidity levels showcase a noticeable trend throughout the year. Starting from a peak of 91% in January, the humidity gradually declines, reaching its lowest point at 79% in May. As the seasons shift, we see a slight increase in moisture during the summer months, with July and August hovering around 83-84%. By September, the humidity rises again to 85%, indicating a return of slightly damp conditions as autumn approaches. This pattern, characterized by a gradual rise and fall in humidity, highlights Offenburg's climatic shifts, creating a unique environment that varies beautifully with the changing seasons.

September Average Humidity in Offenburg

This chart illustrates the average monthly humidity levels in Offenburg, 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%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Offenburg

As September rolls into Offenburg, Germany, the UV Index sees a notable shift, reflecting the transition from summer to autumn. With a UV Index of 6, categorized as high, locals should remain vigilant with a recommended burn time of 25 minutes. This month marks a decrease from the peak very high levels of summer, yet the sun's intensity still warrants protective measures. Observing the trends throughout the year, the earlier months of spring and the summer season remain the strongest in UV exposure, while September signifies a gradual cooling down. For more detailed insights and updates on UV levels, be sure to check the Offenburg UV Index.

Maximum UV Index Levels in Offenburg for September

The chart shows the monthly maximum UV Index (UVI) for Offenburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Offenburg 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 Offenburg

September in Offenburg, Germany, offers a delightful transition from the summer's peak, basking in an impressive 324 hours of sunshine. This month reflects a gentle decline from the sun-soaked abundance of July and June, where sunshine peaked at 414 and 400 hours, respectively. As summer fades, September still provides ample bright days, outshining the earlier months of the year, particularly those cold winter days in December and January, which barely muster 146 and 132 hours. The shift in daylight is a reminder of the coming autumn, yet it continues to offer plenty of opportunities for outdoor activities amidst the vibrant turning leaves.

Monthly Sunshine Duration in Offenburg: September Highlighted

The September sunshine duration represents the total number of hours Offenburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h210h285h353h384h400h414h382h324h266h190h146h
Data source: Offenburg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Offenburg During September

As summer begins to wane, September in Offenburg, Germany offers a renewed chance of sunny weather, with a sunshine likelihood of 47%. This marks a slight uptick from the preceding months, peaking after the relatively lower odds of sunlight in June and July, which sit around 34% and 40%, respectively. Following the vibrant spring months, where sunniness averaged over 50%, the arrival of autumn brings a refreshing balance. While cooler temperatures start to take hold, September still holds onto the remnants of summer, making it a delightful time for outdoor activities under the potential warmth of the sun. This trend emphasizes the unique beauty of early autumn in Offenburg, where sunny days can still be savored before the winter chill sets in.

Percentage of Sunny Days in September in Offenburg

The chart illustrates the percentage of sunny days in Offenburg 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 Offenburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%43%45%52%35%34%40%36%47%38%28%28%
Data source: Offenburg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Offenburg in September

In Offenburg, Germany, September marks a gentle transition as daylight begins to wane, offering approximately 12 hours of sunlight. Following the sun-drenched height of June, which boasts an impressive 16 hours of daylight, the city gradually experiences a decrease throughout the summer months. By the time September arrives, the longer days of summer, with their vibrant energy, give way to the cozy comfort of autumn. This month serves as a reminder of the seasonal shift, bridging the gap between the 15 hours of daylight in July and the 10 hours anticipated in October. As daylight diminishes, residents can bask in the softer light, heralding the rich colors and crisp air that signify the onset of fall.

Average Daylight Hours in Offenburg for September

The chart illustrates the variation in daylight duration in Offenburg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 48m10h 11m11h 55m13h 42m15h 14m16h 1m15h 36m14h 14m12h 31m10h 45m9h 11m8h 21m
Data source: Offenburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Offenburg

As autumn approaches in Offenburg, Germany, September brings a noticeable shift in the wind patterns, with an average speed of just 1.8 m/s (4 mph), the calmest of the year. This gentle breeze contrasts sharply with the slightly brisker winds of late spring and early summer, peaking at 3.2 m/s (7 mph) in May. Following the summer lull, September’s cooler temperatures herald the transition into fall, showing a consistent decline in wind speed from the energetic gusts of May through the slower summers. While the month may feel tranquil, it sets the stage for the winds to gradually pick up again in October, where they will reach 2.3 m/s (5 mph). This subtle dance of the winds reflects nature’s rhythm, as Offenburg transitions from the warmth of summer to the crispness of autumn.

Average September Wind Speed in Offenburg

The chart displays monthly wind speed patterns in Offenburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.82.62.53.21.92.12.21.8 m/s2.32.22.7
Data source: Offenburg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Offenburg Compares to Other Months

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

September and January showcase strikingly different weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 16°C (62°F). The month experiences 48 mm (1.9 in) of precipitation over approximately 8 days, coupled with a humidity level of 85%. In contrast, January brings cooler temperatures, with a minimum of -12°C (11°F), an average of 3°C (37°F), and a maximum of 15°C (59°F). This month is wetter, with 97 mm (3.8 in) of precipitation falling over about 13 days and a higher humidity of 91%. For more insights into January’s weather, you can visit Offenburg weather in January.

September and February present a striking contrast in weather patterns. September features a wide temperature range, with minimums of 3°C (37°F) and maximums reaching up to 32°C (90°F), averaging around 16°C (62°F). The month experiences moderate precipitation of 48 mm (1.9 in) over about 8 days, accompanied by relatively high humidity at 85%. In contrast, February is significantly colder, with minimum temperatures plummeting to -17°C (2°F) and maximums peaking at 20°C (68°F), leading to an average temperature of just 5°C (41°F). This month sees higher precipitation levels at 82 mm (3.2 in) over 11 days, with humidity slightly higher at 89%. The overall atmosphere shifts from the warmth and variability of late summer to the chill and moisture of mid-winter. For more details, you can check Offenburg weather in February.

In comparing the weather between September and March, we observe notable differences. September features a more comfortable average temperature of 16°C (62°F), reaching a maximum of 32°C (90°F), while March presents a cooler climate with an average of only 7°C (45°F) and a maximum of 23°C (74°F). The precipitation in September is relatively moderate at 48 mm (1.9 in) over about 8 days, whereas March sees increased rainfall, totaling 92 mm (3.6 in) across 14 days. Furthermore, humidity levels are slightly higher in March at 87%, compared to 85% in September, hinting at a damper atmosphere as spring begins to unfold. For specific insights on March conditions, you can explore Offenburg weather in March.

When comparing the weather in September and April, notable differences emerge. September tends to be warmer, with average temperatures reaching 16°C (62°F) and highs peaking at 32°C (90°F), while April's temperatures are cooler, averaging 11°C (52°F) and maxing out at 27°C (81°F). Both months see a similar amount of precipitation, around 45-48 mm (1.8-1.9 in), and both experience about 8 rainy days. However, humidity levels are slightly higher in September at 85%, compared to April's 83%. For a closer look at the weather specifics for April, you can check Offenburg weather in April.

When comparing the weather in September and May, several notable differences emerge. September typically enjoys a wider temperature range, with minimums reaching 3°C (37°F) and maximums peaking at 32°C (90°F), while May starts a bit cooler with minimums at 1°C (33°F) and a slightly lower maximum of 31°C (88°F). In terms of precipitation, September has a total of 48 mm (1.9 in) spread over 8 days, compared to May's more substantial 89 mm (3.5 in) over 13 days, indicating that May tends to be wetter. Humidity levels are relatively high in both months, but September edges slightly higher at 85%, compared to 79% in May. For more detailed insights about the weather in May specifically, you can visit Offenburg weather in May.

In comparing the weather between September and June, it’s clear that June tends to be warmer overall. June features a higher average temperature of 20°C (68°F) with maximums reaching up to 35°C (95°F), while September averages a cooler 16°C (62°F) and can peak at 32°C (90°F). Additionally, June experiences slightly more precipitation, averaging 79 mm (3.1 in) over 11 days, compared to September's 48 mm (1.9 in) across 8 days. Humidity levels are quite comparable, with June at 82% and September slightly higher at 85%. For more details about the specific conditions, you can check Offenburg weather in June.

In September, the weather tends to be more variable compared to July, with temperatures ranging from a chilly 3°C (37°F) to a warm 32°C (90°F) and an average of 16°C (62°F). The month experiences less precipitation at 48 mm (1.9 in) over 8 days, along with a high humidity level of 85%. In contrast, July is generally warmer, with minimum temperatures starting at 9°C (48°F) and peaking at 39°C (102°F), averaging 21°C (70°F). This month sees more rainfall, with 69 mm (2.7 in) over 10 days, while maintaining a slightly lower humidity of 83%. For more detailed weather insights, you can check Offenburg weather in July.

In comparing the weather of September and August, we see notable differences in temperature, precipitation, and humidity. September tends to be cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F), while August is warmer, featuring a minimum of 7°C (45°F) and a maximum of 37°C (99°F). Although both months experience similar levels of precipitation, September receives its 48 mm over approximately 8 days, slightly less than August's 51 mm spread across 10 days. Humidity levels remain fairly consistent, with September at 85% and August at 84%. For more details on August weather, visit Offenburg weather in August.

September weather is marked by a wider temperature range, with minimums around 3°C (37°F) and maximums reaching up to 32°C (90°F), providing an average of 16°C (62°F). The month experiences 48 mm (1.9 in) of precipitation over approximately 8 days, accompanied by humidity levels of 85%. In contrast, October brings cooler temperatures, with minimums dropping to 1°C (34°F) and maximums capping at 26°C (79°F), leading to an average of 12°C (54°F). This month is wetter, with 86 mm (3.4 in) of rain spread over about 12 days, and humidity slightly increasing to 88%. For more specific details on the weather, you can visit Offenburg weather in October.

September typically showcases a warmer climate, with temperatures ranging from a mild 3°C (37°F) at night to a summery high of 32°C (90°F) during the day, while averaging around 16°C (62°F). The month receives about 48 mm (1.9 in) of precipitation over 8 days, coupled with a humidity level of 85%. In contrast, November ushers in a significant drop in temperature, with night lows reaching -2°C (28°F) and daytime highs peaking at 21°C (71°F), resulting in an average temperature of 6°C (44°F). The precipitation increases to 67 mm (2.6 in) across 9 days, and humidity rises slightly to 89%. For more specific insights into the weather during November, visit Offenburg weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a mild 3°C (37°F) to a warm 32°C (90°F), with an average of 16°C (62°F). The month experiences relatively low precipitation, totaling 48 mm (1.9 in) over about 8 days, and humidity levels are high at 85%. In stark contrast, December brings colder temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (59°F), averaging just 4°C (40°F). This month is wetter, receiving 128 mm (5.0 in) of precipitation over 18 days, accompanied by an increase in humidity to 91%. For a more detailed insight into December weather, you can visit Offenburg weather in December.

Compare Offenburg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Offenburg

As the summer heat begins to wane, September in Offenburg offers a refreshing transition, characterized by mild temperatures that pleasantly fluctuate throughout the month. While the maximum temperature can still reach a balmy 32°C, the average cools down to a comfortable 16°C, making outdoor activities a delight. This month also sees a noticeable increase in humidity at 85%, coupled with about 8 days of rain, infusing the air with a refreshing quality. This weather pattern distinctly contrasts with the hot, dry spells of summer and the chill of autumn, marking September as a unique time for both locals and visitors. For more detailed insights, check out Offenburg Climate.