Last updated: February 26, 2025
September in Riegersburg, Austria offers a delightful mix of weather experiences, where temperatures can soar to a maximum of 31°C (87°F) and dip to a refreshing 0°C (33°F) at night, with an average of 16°C (61°F). Visitors can expect some precipitation, as the month brings 97 mm (3.8 in) of rain over 11 days, contributing to a lush landscape. With an average humidity level of 65%, the air carries a pleasant crispness that enhances the stunning autumn scenery. Whether you're exploring the historic castle or enjoying the local festivities, September is a captivating time to experience Riegersburg’s charm.
In Riegersburg, Austria, September heralds the arrival of autumn with temperatures that exhibit a significant shift from the summer heat. The month starts off with a minimum temperature of 0°C (33°F), which marks a notable cooling compared to the preceding warmer months. On average, September enjoys a mild 16°C (61°F), making it a pleasant time for outdoor activities amidst the stunning fall foliage. The maximum temperature can reach up to 31°C (87°F), offering brief glimpses of summer’s warmth. This transition reflects a gradual descent into cooler weather, as the crispness of autumn starts to take hold, enticing visitors to explore the scenic landscapes of this charming region.
In September, Riegersburg experiences a notable uptick in precipitation, with 97 mm (3.8 in) of rainfall spread over 11 days. This shift marks a transition from the drier summer months of July and August, both receiving 88 mm and 94 mm, respectively. The increase in rainfall during September is indicative of the region's move towards autumn, where the landscape begins to absorb more moisture in preparation for the cooler months ahead. Not only does this contribute to the vibrant natural scenery, but it also sets the stage for a more pronounced rainy season throughout the fall, as seen in the following months of October and November.
In September, Riegersburg, Austria, experiences a noticeable shift in humidity, settling at 65%. This figure represents a slight increase from the relatively dry summer months of 70% in July and 60% in August, suggesting that as autumn approaches, the air begins to retain more moisture. Notably, this uptick follows a steady decline from the 90% humidity of January, gradually descending to its summer low. As the region transitions into the cooler months of October and November, humidity levels are expected to rise significantly once again, with 84% and 89% respectively, emphasizing the cyclical nature of Riegersburg’s climate.
In September, Riegersburg experiences a UV Index of 6, indicating a high level of sun exposure. As the summer months transition into fall, sun protection remains crucial, with a recommended burn time of 25 minutes for unprotected skin. This decline from the peak summer values suggests a decrease in intensity, yet it’s essential to remain vigilant, as UV radiation can still pose risks. Notably, the months leading up to September, particularly May to August, showcase consistently very high UV levels, underscoring the importance of awareness and protection during these warmer times. As the days grow shorter, the UV Index gradually tapers off, with October bringing it down to moderate levels. For detailed insights into UV exposure throughout the year, check out the Riegersburg UV Index.
UV Risk Categories
In September, Riegersburg, Austria, basks in a delightful 319 hours of sunshine, a noticeable dip from the sun-drenched 422 hours of July. This month marks a transition as summer wanes, yet the brightness still lingers, reminiscent of the warmer months. Following a steady increase from winter's 169 hours in January through the peak season in July, the sunshine gradually recedes, signaling the approach of autumn. Although September enjoys fewer rays than its summer predecessors, it still outshines the gloomy months of October and November, which capture only 287 and 213 hours respectively. This trend highlights September as a beautiful close to summer, offering plenty of sunny days to savor the changing scenery amidst the vibrant hues of fall.
In September, Riegersburg, Austria enjoys a notable increase in sunny weather, with a 51% chance of sunshine. This marks a shift from the summer months, which see modest sunny probabilities of 42% in August and 45% in July. While the early fall does not quite match the brightness of spring, where March boasts a 54% likelihood, September still holds its own as a mostly pleasant month. As autumn settles in, this transitional period presents a balance between warmth and the budding crispness of the approaching season, making it an appealing time for outdoor activities and exploration in the picturesque landscapes of Riegersburg.
As summer gives way to autumn in September, Riegersburg, Austria experiences a gentle decline in daylight, offering approximately 12 hours of sunlight—a noticeable shift from the vibrant days of August, which boasted 14 hours. This transitional month marks the gradual retreat from the peak daylight of 15 hours seen in the heart of summer, reflected in the overall trend of decreasing daylight hours as the year progresses. Following September, the days continue to shorten, with October bringing just 10 hours of daylight, signaling the impending embrace of winter. This rhythm of light showcases the beautiful interplay of seasons in Riegersburg, inviting residents and visitors alike to savor the last golden rays of the sun before autumn settles in.
In September, Riegersburg, Austria experiences a gentle breeze with an average wind speed of 1.7 m/s (4 mph), marking a subtle decline from the mildly breezy summer months. This dip in wind speed reflects a broader trend of decreasing winds as autumn approaches, with speeds gradually tapering off from May's steady 2.5 m/s to the more tranquil conditions felt in September. Notably, this period is characterized by a calming transition, as the vibrant summer winds give way to the stillness of fall, creating an atmosphere perfect for leisurely strolls and enjoying the scenic countryside. As the year progresses into October, a slight resurgence in winds is anticipated, hinting at the dynamic shifts that the changing seasons bring.
The weather in Riegersburg 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 Riegersburg and find detailed weather information for every month.
September and January exhibit stark contrasts in weather conditions. September offers a wide temperature range, with minimums around 0°C (33°F) and maximums reaching up to 31°C (87°F), leading to an average of 16°C (61°F). This month also sees significant rainfall, with 97 mm (3.8 in) spread over 11 days and humidity levels around 65%. In contrast, January experiences much colder temperatures, with minimums plunging to -12°C (11°F) and a much cooler average of 0°C (33°F). Precipitation is markedly lower at 23 mm (0.9 in) over just 5 days, yet the humidity is notably higher at 90%, creating a crisp and chilly atmosphere. For a closer look at what to expect, you can check Riegersburg weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 31°C (87°F), with an average of 16°C (61°F). The month experiences significant rainfall, totaling 97 mm (3.8 in) over approximately 11 days, accompanied by a moderate humidity of 65%. Conversely, February is characterized by much colder temperatures, with a minimum of -13°C (10°F) and a maximum of 20°C (68°F), averaging just 3°C (38°F). Precipitation is lighter in February, totaling 35 mm (1.4 in) over 7 days, though humidity is notably higher at 84%. For more detailed insights into February weather in this region, visit Riegersburg weather in February.
When comparing the weather in September and March, notable differences emerge in temperature, precipitation, and humidity. September enjoys a wider temperature range with a minimum of 0°C (33°F), an average of 16°C (61°F), and a maximum of 31°C (87°F), while March is much colder, featuring a minimum of -16°C (3°F), an average of 6°C (43°F), and a maximum of 23°C (74°F). Precipitation levels are also distinct, with September recording 97 mm (3.8 in) over 11 days, whereas March sees significantly less rain at 33 mm (1.3 in) across 8 days. Additionally, March tends to be more humid, with a humidity level of 78% compared to September's 65%. For more detailed insights about March weather, you can check out Riegersburg weather in March.
In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September offers a broader temperature range with lows around 0°C (33°F) and highs reaching up to 31°C (87°F), averaging 16°C (61°F). In contrast, April tends to be cooler, experiencing minimum temperatures of -5°C (23°F) and maximums of 27°C (81°F), with an average of 11°C (52°F). Although September receives higher precipitation at 97 mm (3.8 in) across 11 days, April's rainfall is more moderate at 51 mm (2.0 in) over 8 days. Humidity levels are also slightly higher in April at 73% compared to September's 65%. For a detailed look at the April weather specifics in Riegersburg, you can visit Riegersburg weather in April.
In comparing the weather between September and May, both months exhibit mild temperatures, but September tends to be slightly warmer. September has a minimum temperature of 0°C (33°F) and an average of 16°C (61°F), reaching a maximum of 31°C (87°F), while May starts off a bit cooler with a minimum of 1°C (34°F) and an average of 15°C (59°F), peaking at 30°C (86°F). Precipitation is moderately high in both months, with September receiving 97 mm (3.8 in) over 11 days and May having a bit more at 106 mm (4.2 in) over 16 days. Additionally, the humidity in May is slightly higher at 71% compared to September's 65%. For more detailed insights, you can check Riegersburg weather in May.
In comparing the weather between September and June, we observe notable differences in temperature and humidity. September experiences a wider temperature range with a minimum of 0°C (33°F) and a maximum of 31°C (87°F), while June has a milder minimum of 6°C (43°F) and reaches higher temperatures, peaking at 35°C (96°F). Humidity is slightly lower in September at 65%, compared to June’s 73%, which can make June feel more humid and warmer overall. Precipitation levels are similar, with September receiving 97 mm (3.8 in) over 11 days and June slightly less at 88 mm (3.5 in) over 12 days. For more detailed insights, you can check Riegersburg weather in June.
In comparing the weather conditions of September and July, we observe notable differences in temperature and precipitation. September has a broader temperature range, with a minimum of 0°C (33°F) and a maximum of 31°C (87°F), while July tends to be warmer with minimums around 8°C (47°F) and maximums reaching 34°C (93°F). Precipitation levels are somewhat comparable, with September experiencing 97 mm (3.8 in) over 11 days, while July sees slightly less at 88 mm (3.5 in) across 14 days. Additionally, September has a humidity level of 65%, compared to July's slightly higher average of 70%. For more specific insights, you can check Riegersburg weather in July.
September experiences a noticeable drop in temperature compared to August, with minimums reaching as low as 0°C (33°F) and an average of 16°C (61°F), while August remains considerably warmer with minimums around 8°C (47°F) and an average of 21°C (71°F). The maximum temperatures in September can still reach up to 31°C (87°F), but August often peaks much higher at 37°C (98°F). Precipitation levels are relatively similar, with September receiving 97 mm (3.8 in) over 11 days, while August totals 94 mm (3.7 in) across 12 days. Humidity also slightly increases in September to 65%, compared to 60% in August. For more information, you can check Riegersburg weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 31°C (87°F), with an average of 16°C (61°F). The month sees higher precipitation at 97 mm over 11 days and a moderate humidity level of 65%. In contrast, October experiences cooler conditions, with temperatures dropping to a minimum of -1°C (30°F) and a maximum of 25°C (78°F), and an average of 11°C (52°F). This month sees significantly less precipitation, totaling 46 mm over 8 days, but humidity rises to 84%. For more detailed insights into the October weather, you can visit Riegersburg weather in October.
September and November present quite a contrast in weather conditions. September typically enjoys a wider temperature range, with minimums around 0°C (33°F) and maximums reaching up to 31°C (87°F), resulting in an average temperature of 16°C (61°F). The month sees a fair amount of precipitation at 97 mm (3.8 in) over approximately 11 days, with humidity levels sitting at 65%.
In contrast, November brings cooler temperatures, with minimums dipping to -5°C (23°F) and an average of only 6°C (43°F). The maximum temperature is milder at 19°C (67°F), and precipitation decreases to 66 mm (2.6 in) across just 9 days. Notably, the humidity rises significantly to 89%, hinting at the chillier, more damp atmosphere of late fall. For more information, you can visit Riegersburg weather in November.
September and December present contrasting weather characteristics. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 31°C (87°F), with an average of 16°C (61°F), making it generally warm and pleasant. The month sees significant rainfall, amounting to 97 mm (3.8 in) over 11 days, and a humidity level of 65%. In stark contrast, December experiences chillier conditions, with temperatures dropping to a minimum of -8°C (18°F) and peaking at 14°C (58°F), averaging just 2°C (35°F). December also has lower precipitation at 53 mm (2.1 in) over 8 days, but the humidity increases to a considerably higher 89%. For more insights on December weather specifics, check out Riegersburg weather in December.
As September unfolds in Riegersburg, it brings a refreshing transition from the summer heat, where maximum temperatures can soar up to a comfortable 31°C (87°F) while averaging a mild 16°C (61°F). However, the month also signals the onset of increased precipitation, with around 97 mm (3.8 in) of rain falling over about 11 days, marking a noticeable uptick compared to the drier summer months. The humidity lingers at 65%, adding a touch of coolness to the air, and creating a unique blend of warm days and crisp evenings. This dynamic weather makes September a wonderful time to experience the changing landscape. For more insights into the year-round weather patterns, check out Riegersburg Climate.