Last updated: February 26, 2025
September in Weimar, Germany, offers a dynamic weather experience characterized by temperature fluctuations that range from a balmy maximum of 33°C (91°F) to a chilly minimum of 1°C (34°F). With an average temperature of 15°C (59°F), this month presents a blend of summer warmth and autumnal coolness. Rainfall is not uncommon, totaling 46 mm (1.8 in) over approximately 7 days, contributing to an overall humidity level of 83%. This mix of conditions not only enriches the local landscape but also invites visitors to enjoy Weimar's cultural heritage against a backdrop of changing weather.
September in Weimar, Germany, marks a delightful transition into autumn, where temperatures showcase a striking range. As summer's warmth lingers, the month begins with a minimum of 1°C (34°F) and a maximum that peaks at a balmy 33°C (91°F), creating pleasantly warm days and cooler nights. The average temperature settles around 15°C (59°F), offering a comfortable climate perfect for outdoor activities and exploring the city’s rich history. This month stands out as a bridge between the sultry summer and the cooling embrace of fall, inviting both locals and travelers to enjoy Weimar's vibrant atmosphere while it lasts.
September in Weimar, Germany, brings a noteworthy balance to the weather patterns as it experiences 46 mm (1.8 in) of precipitation over 7 days—a level that mirrors January's rainfall. This month stands out as a transition point, nestled between the wetter summer months of July and August, with their heavier downpours of 61 mm (2.4 in) and 72 mm (2.9 in), respectively. The drop in rainfall days also hints at a gradual shift to drier conditions, as September welcomes autumn's crisp air. With precipitation levels settling back to typical early autumn figures, September acts as a reminder that while summer fades, the rhythm of rainfall continues its unyielding cycle in Weimar.
In September, Weimar, Germany experiences a slight uptick in humidity, registering at 83%. This marks a gentle return to the more saturated air typical of the late summer months, as humidity levels dip from the more comfortable 75% in May and remain consistent around 79% during the peak summer. As the days grow shorter and autumn approaches, September signals a transition toward the wetter months ahead, with humidity levels again climbing closer to the higher figures seen during the winter months. This shift reflects a broader trend in Weimar's climate, where the year begins with high humidity, experiences a mid-year drop, and gradually rebounds as the seasons change, culminating in the higher levels of late fall and winter.
As summer gives way to autumn in Weimar, Germany, September brings a moderate UV Index of 5, accompanied by a burn time of 30 minutes. This represents a slight decline from the very high levels experienced in July and June, where outdoor activities warranted maximum sun protection due to their respective UV Index values of 8. In September, the risk of sunburn remains noticeable, urging residents and visitors to enjoy the beautiful early autumn days while still being mindful of UV exposure. As temperatures cool and daylight hours shorten, maintaining awareness of the UV Index is essential for safe outdoor activities. To learn more, visit Weimar UV Index.
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As summer gracefully transitions into autumn, September in Weimar brings a delightful 309 hours of sunshine, offering a warm farewell to the season. Following a peak in July with 406 hours, the sunlight begins to gently wane, yet September still holds a significant share of sunny days compared to earlier months. After the vibrant blooms of May and June, which basked in 376 and 396 hours respectively, September continues to provide a rich tapestry of sunlight that invites leisurely walks and outdoor exploration. With the month’s golden light softly illuminating the historic streets, Weimar becomes a perfect canvas for autumn’s entrance, even as the days grow shorter and the chill of October beckons with its 250 hours. The pattern of diminishing sunlight highlights a natural cycle, celebrating the warm embrace of summer while gently ushering in the cooler days ahead.
In Weimar, Germany, the likelihood of encountering sunny weather experiences a notable uptick as summer transitions into autumn, with September boasting a 36% chance of sunshine. This figure aligns closely with the slightly sunnier March and mirrors the patterns seen in May and July, suggesting a favorable period for outdoor activities. As temperatures begin to cool, residents and visitors alike may find this early autumn month pleasantly bright, offering a refreshing escape before the heavier clouds of October and the chill of winter set in. With clear skies more common in this transitional period, September offers an inviting glimpse of both the lingering warmth of summer and the crispness of fall.
In September, Weimar, Germany, gracefully transitions from the sun-drenched days of summer to the more subdued light of autumn, offering about 12 hours of daylight. This decrease in daylight follows the peak of 16 hours in June, showcasing a steady decline as the year progresses. As summer fades, the averages shift, with September providing a gentle balance before the daylight shrinks further into the months of October and November, which linger around 10 hours and 8 hours, respectively. This pattern highlights nature's rhythmic cycle, preparing residents for the cozy, introspective months ahead while still enjoying ample daylight throughout September.
In September, the winds in Weimar, Germany, mellow significantly, with an average speed of only 2.4 m/s (5 mph), marking one of the calmest months of the year. This gentle breeze contrasts sharply with the gustier months of May and March, where speeds reach up to 3.7 m/s (8 mph) and 3.2 m/s (7 mph), respectively. Following a summer characterized by relatively light winds, September sets the stage for a quieter transition into autumn, as it shares a similar calmness with June and July. As the year progresses, wind speeds gradually pick up again in October, highlighting the ebb and flow of seasonal changes in Weimar's atmospheric conditions. This pattern of decrease followed by a resurgence embodies the city's tranquil yet dynamic climate.
The weather in Weimar 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 Weimar and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures range from a cool 1°C (34°F) at night to a warm 33°C (91°F) during the day, averaging around 15°C (59°F). The month sees about 46 mm (1.8 in) of rainfall over approximately 7 days, with humidity hovering around 83%. In contrast, January experiences much colder temperatures, with lows plummeting to -12°C (11°F) and highs only reaching 14°C (57°F), averaging a chilly 2°C (36°F). Precipitation remains similar at 46 mm (1.8 in), but occurs over a longer period of about 12 days, coupled with a higher humidity level of 91%. For more detailed insights, check Weimar weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 33°C (91°F), with an average of 15°C (59°F). This month experiences relatively moderate precipitation of 46 mm (1.8 in) over about 7 days, accompanied by high humidity at 83%. In contrast, February is much colder, featuring temperatures that drop to a minimum of -19°C (-3°F) and only rise to a maximum of 18°C (65°F), with an average temperature of just 3°C (37°F). Despite slightly lower precipitation at 42 mm (1.6 in) over 9 days, February's humidity is a bit higher at 90%. The significant temperature difference highlights the transition from the warmth of late summer to the chill of mid-winter. For more detailed weather insights, visit Weimar weather in February.
In comparing the weather of September and March, we observe notable differences. September experiences a broader temperature range with a minimum of 1°C (34°F) and a maximum of 33°C (91°F), leading to an average temperature of 15°C (59°F). In contrast, March sees colder conditions, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 21°C (71°F), averaging at 5°C (41°F). Precipitation is slightly higher in March, totaling 53 mm (2.1 in) over 13 days, compared to September's 46 mm (1.8 in) over 7 days, and humidity levels are also higher in March at 88%, versus 83% in September. For more detailed insights, you can check Weimar weather in March.
September and April exhibit distinct weather patterns, reflecting the transition from summer to autumn and the early signs of spring, respectively. In September, temperatures range from a low of 1°C (34°F) to a high of 33°C (91°F), with an average of 15°C (59°F), showcasing the lingering warmth of summer. The month experiences about 46 mm (1.8 in) of precipitation over 7 days, with humidity levels remaining at 83%. In contrast, April has cooler temperatures, with a minimum of -5°C (23°F), an average of 9°C (48°F), and a maximum of 27°C (81°F). This month has slightly less rainfall, totaling 32 mm (1.3 in) over 8 days, yet also maintains an 83% humidity level. For a closer look at how weather in April unfolds, you can check out Weimar weather in April.
When comparing the weather in September and May, September generally offers warmer temperatures, with average highs reaching 33°C (91°F), compared to May's maximum of 30°C (86°F). September also has a higher average temperature of 15°C (59°F) versus May's 13°C (56°F). However, May experiences slightly lower humidity at 75%, compared to September's 83%. Precipitation is more frequent in May, occurring over 11 days with a total of 67 mm (2.6 in), while September sees a total of 46 mm (1.8 in) over just 7 days. For a closer look at the weather specifics during May, visit Weimar weather in May.
In comparing the weather between September and June, we observe some notable differences. September experiences a wider temperature range, with a minimum of 1°C (34°F) and a maximum of 33°C (91°F), whereas June typically has milder lows at 5°C (41°F) and can reach up to 36°C (97°F). The average temperature in September is around 15°C (59°F), which is slightly cooler than June's average of 19°C (66°F). Both months see similar levels of precipitation, with September receiving 46 mm (1.8 in) over 7 days and June slightly higher at 48 mm (1.9 in) over 9 days. Humidity levels are quite comparable as well, with September at 83% and June slightly lower at 79%. For more detailed information about June weather specifically, check out Weimar weather in June.
In comparison to July, September experiences a wider temperature range, with minimums dropping to 1°C (34°F) while maximums can reach up to 33°C (91°F). July tends to be warmer overall, with average temperatures of 19°C (67°F) and maximums hitting 37°C (99°F). Both months see notable precipitation, with September receiving 46 mm (1.8 in) over 7 days and July slightly wetter at 61 mm (2.4 in) across 8 days. Humidity levels are also quite high in both months, with September at 83% and July slightly lower at 79%. For more details on July weather, you can visit Weimar weather in July.
September weather in Weimar is generally cooler and more variable compared to August. While August features a higher average temperature of 20°C (68°F) with maximums reaching up to 37°C (98°F), September's temperatures range from a minimum of 1°C (34°F) to a maximum of 33°C (91°F), averaging around 15°C (59°F). August also experiences more precipitation, totaling 72 mm (2.9 in) over about 10 days, whereas September sees a decrease to 46 mm (1.8 in) across 7 days. Despite this, September maintains a higher humidity level at 83%, compared to August's 79%. For more detailed insights, you can check Weimar weather in August.
September and October present a distinct transition in weather patterns. In September, temperatures range from a mild 1°C (34°F) at night to a warm 33°C (91°F) during the day, averaging around 15°C (59°F). This month sees relatively lower precipitation at 46 mm (1.8 in) over about 7 days, with humidity at 83%. In contrast, October experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 26°C (80°F), leading to an average temperature of 11°C (52°F). Precipitation slightly increases to 49 mm (1.9 in) over 11 days, coupled with higher humidity at 87%. For a detailed outlook on October weather, you can refer to Weimar weather in October.
September and November exhibit distinct differences in weather patterns. In September, temperatures range from a cool 1°C (34°F) at their minimum to a warm 33°C (91°F) at their peak, with an average of 15°C (59°F). The month sees around 46 mm (1.8 in) of precipitation over approximately 7 days, along with a relatively high humidity of 83%.
In contrast, November experiences much colder temperatures, with a minimum of -5°C (23°F) and an average of only 6°C (42°F). Maximum temperatures reach up to 20°C (68°F). Precipitation is slightly lower at 39 mm (1.5 in), but it spreads out over more days—about 10 days incurring some moisture. November's humidity also increases to 90%, contributing to a damp, chilly atmosphere. For more detailed information, you can check out Weimar weather in November.
In September, the weather tends to be much warmer, with average temperatures hovering around 15°C (59°F) and maximums reaching up to 33°C (91°F), making it a pleasant time for outdoor activities. In contrast, December brings significantly cooler temperatures, with averages dropping to 3°C (38°F) and minimums dipping as low as -12°C (11°F), creating a stark chill in the air. Additionally, while September sees about 46 mm (1.8 in) of precipitation over 7 days, December experiences slightly more rainfall at 55 mm (2.2 in), but spread across 14 days, contributing to a damp and cold atmosphere. Humidity levels also rise in December to 92%, compared to 83% in September, intensifying the chilly feel of the month. For more detailed information, check Weimar weather in December.
As September arrives in Weimar, the weather presents a fascinating transition from the warmth of summer to the crispness of autumn. Visitors can expect significant fluctuations, with maximum temperatures reaching a sweltering 33°C (91°F), yet chilly nights where the mercury dips to a brisk 1°C (34°F). This month is marked by an average temperature of 15°C (59°F), creating a unique blend of warm afternoons and cool evenings. Despite only a handful of rainy days, the humidity remains high at 83%, adding an interesting layer of character to the month. Overall, September offers a dynamic weather experience that stands out within Weimar's climate year-round. For more insights, visit Weimar Climate.