Last updated: February 26, 2025
September in Speyer, Germany offers a dynamic weather experience, with temperatures ranging from an invigorating 5°C (41°F) in the early mornings to a pleasant 33°C (91°F) during the day. The average temperature sits comfortably at 17°C (62°F), providing a mild backdrop for outdoor activities. However, as the month progresses, residents and visitors can expect about 45 mm (1.8 in) of rain across 7 days, contributing to the region's 85% humidity. This blend of warmth and moisture creates a unique atmosphere, making September a captivating and colorful time to explore Speyer's rich history and vibrant culture.
As September arrives in Speyer, Germany, the temperatures begin to mark a subtle transition from the sweltering heat of summer to the crispness of autumn. With minimums averaging around 5°C (41°F) and a comfortable average of 17°C (62°F), the month offers a refreshing balance between warmth and coolness. The maximum temperatures can still reach a pleasant 33°C (91°F), allowing for those final warm days before autumn fully takes hold. This fluctuation signifies a gradual decline in heat compared to the peak summer months, making September an ideal time for outdoor activities amidst the stunning fall foliage that starts to emerge. Overall, Speyer's September weather invites visitors to embrace the charm of the changing seasons.
In September, Speyer experiences a noticeable shift in its weather patterns, with precipitation amounting to 45 mm (1.8 in), marking a decline compared to the summer months. This month sees rainfall on only 7 days, indicating a drier trend as the region transitions into autumn. The moderate decrease in precipitation, from August’s 51 mm, suggests a gradual moving away from the wetter summer, typically characterized by more frequent showers. As September paves the way to the more temperate conditions of October, the soothing light rains may offer a refreshing close to the warmer season while setting the stage for the increased rainfall that winter often brings.
As autumn approaches in Speyer, Germany, September brings a slight uptick in humidity, peaking at 85%. This marks a subtle transition from the late summer months, where humidity levels have hovered around the 83-84% range in July and August. The gradual decline from the highs of winter—with January and February showcasing a notable 91% and 89% respectively—highlights the region's seasonal shifts. While summer’s warmth is waning, September's humidity remains relatively high, setting the stage for the cooler months ahead, which typically see a rise again in late fall and winter.
As the summer fades into September in Speyer, Germany, the UV Index begins its gradual decline from the peak values of the previous months. With a UV Index of 6, categorized as high, sun seekers should still remain cautious, as the burn time reduces to 25 minutes. This trend highlights the transition from the very high levels experienced in May through August, encouraging outdoor enthusiasts to adapt their sun safety measures. As fall approaches, residents and visitors alike are reminded that while the risk decreases slightly, it's essential to stay vigilant. For more details on sun exposure and safety, visit Speyer UV Index.
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In September, the sun continues to shine brightly in Speyer, Germany, contributing an impressive 322 hours of sunshine, a notable decline from the peak of summer but still a vibrant farewell to the warmer months. This consistent sunlight showcases a clear trend as the days shorten and temperatures begin to cool, following the sunniest months of July and June, which recorded 415 and 395 hours respectively. Although September sees fewer sunny hours than its summer predecessors, it outshines the transitional October, which brings only 263 hours. This gradual decrease in sunshine hours from peak summer into autumn highlights Speyer's enchanting seasonal shifts, offering both residents and visitors a delightful experience of early fall's brightness before the gloomier months descend.
As September rolls in, Speyer, Germany, experiences a noteworthy likelihood of sunny weather, boasting a 45% chance of sunshine. This marks a significant uptick compared to the summer months, where the chances hovered between 31% and 39%. The shifting trends reveal that while sunny days in September may not be as frequent as those in late spring, they offer a welcomed shift from the rainy days of late summer, providing residents and visitors with ample opportunity to enjoy outdoor activities. As the month progresses, the probability of clear skies begins to decline, but September remains a promising time for those seeking a final taste of summer before autumn takes hold.
As September arrives in Speyer, Germany, the transition from the long, sun-soaked days of summer begins to emerge. With an average of 12 hours of daylight, the month marks a gentle decline from the peak of 16 hours in June, creating a balanced blend of sunlight and shadow. This gradual decrease hints at the coming autumn, as daylight dims from the vibrant brightness of May and June to the softer tones of October's 10 hours. The rhythm of daylight reflects the changing seasons, encapsulating a time when the warmth of summer slowly yields to the crispness of fall, inviting residents to embrace both the lingering warmth and the changing hues of nature.
As September rolls in, Speyer, Germany, experiences a notable dip in average wind speed, settling at a gentle 2.0 m/s (5 mph). This decrease reflects the transition from summer’s breezy warmth to the calmness of early autumn. Interestingly, September's wind speed is the lowest recorded this year, following a peak in May at 3.5 m/s (8 mph), showcasing a trend of declining wind as the seasons shift. In contrast to the preceding summer months, where the winds offered a refreshing touch, the gentle September breezes invite a sense of tranquility, perfectly complementing the vibrant fall foliage that begins to emerge in the area. This subtle change not only marks the end of the bustling summer season but also heralds a time for cooler air and the tranquil beauty of autumn in Speyer.
The weather in Speyer 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 Speyer and find detailed weather information for every month.
September and January in Speyer showcase stark contrasts in weather. September typically enjoys a mild average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F), while experiencing relatively moderate precipitation of 45 mm (1.8 in) over about 7 days and high humidity levels around 85%. In contrast, January brings a much colder climate, with average temperatures dropping to 3°C (37°F) and lows plummeting to -12°C (11°F). This month sees increased precipitation of 65 mm (2.6 in) over approximately 13 days, along with even higher humidity at 91%. For more detailed information on January weather conditions, you can check Speyer weather in January.
September and February present contrasting weather patterns. September typically enjoys warmer temperatures with a minimum of 5°C (41°F), an average of 17°C (62°F), and highs reaching up to 33°C (91°F). In this month, precipitation is moderate at 45 mm (1.8 in) over about 7 days, accompanied by a relatively high humidity of 85%. In stark contrast, February features much cooler conditions, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 19°C (67°F) and an average of just 5°C (41°F). This month also sees increased precipitation, totaling 60 mm (2.4 in) over 11 days, with humidity slightly higher at 89%. For more detailed insights, check out Speyer weather in February.
September and March present contrasting weather patterns. In September, temperatures typically range from a minimum of 5°C (41°F) to a maximum of 33°C (91°F), with an average of 17°C (62°F). While it experiences relatively low precipitation of 45 mm (1.8 in) over about 7 days, humidity levels are high at 85%. In contrast, March is much colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 23°C (73°F) and an average of 7°C (45°F). The month is wetter, receiving 70 mm (2.8 in) of rainfall over 14 days, and slightly higher humidity at 87%. For more detailed conditions, you can check Speyer weather in March.
In comparing the weather of September and April, September boasts a wider temperature range, with minimums of 5°C (41°F), average highs reaching 33°C (91°F), and a tendency for warmer days overall. In contrast, April starts cooler with minimums dropping to -3°C (27°F) and an average high of 28°C (82°F). Precipitation levels are relatively similar, with September receiving 45 mm (1.8 in) and April slightly less at 29 mm (1.1 in), both spread over approximately 7 days. Humidity remains quite comparable, with September at 85% and April at 83%. For more details on April weather, you can check Speyer weather in April.
When comparing the weather in September and May, we see some notable differences. September boasts a wider temperature range with minimums around 5°C and maximums reaching up to 33°C, providing an average temperature of 17°C. In contrast, May starts cooler with a minimum of 1°C but has a slightly lower average temperature of 15°C and peaks at a similar maximum of 32°C. Precipitation is higher in May, with 73 mm over 11 days, compared to September's 45 mm over 7 days. Moreover, September experiences higher humidity levels at 85%, compared to May's 79%. For those curious about specific details, you can visit Speyer weather in May.
September weather tends to be more varied than that of June, showcasing a broader range of temperatures, with minimums as low as 5°C (41°F) and maximums reaching up to 33°C (91°F). In contrast, June typically has milder minimums of 8°C (47°F) and can peak at 36°C (97°F), making it feel warmer overall. Both months experience significant humidity, with September averaging 85% compared to June’s 82%. However, September sees less precipitation, with 45 mm (1.8 in) over 7 days, while June has a total of 65 mm (2.5 in) across 10 days, indicating a wetter June. For more details on June weather patterns, visit Speyer weather in June.
In comparing the weather between September and July, we see notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums as low as 5°C (41°F) and maximums reaching 33°C (91°F), while July maintains a milder low of 9°C (49°F) and can peak at a hotter 38°C (102°F). Additionally, September averages 17°C (62°F), making it cooler overall compared to July’s warmer average of 21°C (70°F). Although September sees slightly less precipitation at 45 mm (1.8 in) over 7 days, compared to July's 57 mm (2.3 in) over 10 days, the humidity remains high in both months, with September at 85% and July at 83%. For more detailed weather information, you can check Speyer weather in July.
September's weather features a broader temperature range, with a minimum of 5°C and a maximum of 33°C, resulting in an average of 17°C. In contrast, August starts with milder nights at a minimum of 9°C but can peak at a warmer 36°C, averaging around 21°C. While September sees less precipitation overall at 45 mm across 7 days, August experiences slightly more rain at 51 mm over 11 days. Both months maintain high humidity levels, with September at 85% and August at 84%. For further details on August conditions, you can check Speyer weather in August.
In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 33°C (91°F), with an average of 17°C (62°F). The month experiences moderate precipitation of 45 mm (1.8 in) over 7 days and a humidity level of 85%. In contrast, October sees cooler temperatures, with a minimum of 2°C (36°F), an average of 12°C (54°F), and a maximum of 26°C (80°F). Rainfall increases to 63 mm (2.5 in) spread over 13 days, along with slightly higher humidity at 88%. For more details on October weather in Speyer, visit Speyer weather in October.
September and November offer contrasting weather conditions as the seasons transition from summer to winter. In September, temperatures range from a mild 5°C (41°F) to a warm maximum of 33°C (91°F), with an average of 17°C (62°F) and relatively lower humidity at 85%. The month also experiences moderate rainfall, totaling 45 mm (1.8 in) over about 7 days. In contrast, November sees a significant drop in temperatures, with a minimum of -2°C (28°F), an average of 6°C (44°F), and a maximum of 22°C (71°F). The precipitation increases slightly to 49 mm (1.9 in) over 9 days, and humidity rises to 89%. For more detailed information on November weather, visit Speyer weather in November.
September and December exhibit stark contrasts in weather conditions. September boasts a wide temperature range, with a minimum of 5°C (41°F) and a maximum reaching up to 33°C (91°F), resulting in an average of 17°C (62°F). This month typically experiences moderate precipitation at 45 mm (1.8 in) over seven days, alongside a humidity level of 85%. In contrast, December brings much colder temperatures, with a minimum of -6°C (22°F), an average of 4°C (40°F), and a maximum of 15°C (59°F). The precipitation increases significantly to 103 mm (4.1 in), falling over a larger number of days at 18, while humidity also rises slightly to 91%. For more details, check out Speyer weather in December.
As summer transitions to autumn, September in Speyer offers a delightful blend of mild temperatures and increased humidity. With average temperatures hovering around 17°C (62°F), the days are pleasantly warm, while cooler evenings remind us of the approaching fall. The month sees relatively low precipitation, with just a handful of rainy days, making it an ideal time for outdoor activities. This unique balance sets September apart from the hotter summer months and the chillier ones ahead, inviting both locals and visitors to savor the city’s beauty in a comfortable climate. For more detailed information on weather patterns throughout the year, visit Speyer Climate.